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Eureka Math Grade 5 Module 2 Lesson 7 Answer Key

Engage ny eureka math 5th grade module 2 lesson 7 answer key, eureka math grade 5 module 2 lesson 7 sprint answer key.

Answer: 2 x 10 = 20, 12 x 10 = 120, 12 x 100 = 1200, 4 x 10 = 40, 34 x 10 = 340, 34 x 100 = 3400, 7 x 10 = 70, 27 x 10 = 270, 27 x 100 = 2700, 3 x 10 = 30, 3 x 2 = 6, 3 x 20 = 60, 13 x 10 = 130, 13 x 2 = 26, 13 x 20 = 260, 13 x 100 = 1300, 13 x 200 = 2600, 2 x 4 = 8, 22 x 4 = 88, 22 x 40 = 880, 22 x 400 = 8800, 33 x 2 = 66.

Answer: 33 x 20 = 660, 33 x 200 = 6600, 24 x 10 = 240, 24 x 20 = 480, 24 x 100 = 2400, 24 x 200 = 4800, 23 x 30 = 690, 23 x 300 = 6900, 71 x 2 = 142, 71 x 20 = 1420, 14 x 2 = 28, 14 x 3 = 42, 14 x 30 = 420, 14 x 300 = 4200, 82 x 20 = 1640, 15 x 300 = 4500, 71 x 600 = 42,600, 18 x 40 = 720, 75 x 30 = 2250, 84 x 300 = 25200, 87 x 60 = 5220, 79 x 800 = 63200.

Question 1. 2 × 10 = 20.

Answer: 2 x 10 = 20.

Explanation: In the above-given question, given that, 2 x 10. 20.

Question 2. 12 × 10 = 120.

Answer: 12 x 10 = 120.

Explanation: In the above-given question, given that, 12 x 10. 120.

Question 3. 12 × 100 = 1200.

Answer: 12 x 100 = 1200.

Explanation: In the above-given question, given that, 12 x 100. 1200.

Question 4. 4 × 10 = 40.

Answer: 4 x 10 = 40.

Explanation: In the above-given question, given that, 4 x 10. 40.

Question 5. 34 × 10 = 340

Answer: 34 x 10 = 340.

Explanation: In the above-given question, given that, 34 x 10. 340.

Question 6. 34 × 100 = 3400

Answer: 34 x 100 = 3400.

Explanation: In the above-given question, given that, 34 x 100. 3400.

Question 7. 7 × 10 = 70

Answer: 7 x 10 = 70.

Explanation: In the above-given question, given that, 7 x 10. 70.

Question 8. 27 × 10 = 270

Answer: 27 x 10 = 270.

Explanation: In the above-given question, given that, 27 x 10. 270.

Question 9. 27 × 100 = 2700

Answer: 27 x 100 = 2700.

Explanation: In the above-given question, given that, 27 x 100. 2700.

Question 10. 3 × 10 = 30

Answer: 3 x 10 = 30.

Explanation: In the above-given question, given that, 3 x 10. 30.

Question 11. 3 × 2 = 6

Answer: 2 x 3 = 6.

Explanation: In the above-given question, given that, 2 x 3. 6.

Question 12. 3 × 20 = 60

Answer: 20 x 3 = 60.

Explanation: In the above-given question, given that, 20 x 3. 60.

Question 13. 13 × 10 = 130

Answer: 13 x 10 = 130.

Explanation: In the above-given question, given that, 13 x 10. 130.

Question 14. 13 × 2 = 26

Answer: 2 x 13 = 26.

Explanation: In the above-given question, given that, 2 x 13. 26.

Question 15. 13 × 20 = 260

Answer: 13 x 20 = 260.

Explanation: In the above-given question, given that, 13 x 20. 260.

Question 16. 13 × 100 = 1300

Answer: 13 x 100 = 1300.

Explanation: In the above-given question, given that, 13 x 100. 1300.

Question 17. 13 × 200 = 2600

Answer: 13 x 200 = 2600.

Explanation: In the above-given question, given that, 13 x 200. 2600.

Question 18. 2 × 4 = 8

Answer: 2 x 4 = 8.

Explanation: In the above-given question, given that, 2 x 4. 8.

Question 19. 22 × 4 = 88.

Answer: 22 x 4 = 88.

Explanation: In the above-given question, given that, 22 x 4. 88.

Question 20. 22 × 40 = 880

Answer: 22 x 40 = 880.

Explanation: In the above-given question, given that, 22 x 40. 880.

Question 21. 22 × 400 = 8800

Answer: 22 x 40 = 8800.

Explanation: In the above-given question, given that, 22 x 40. 8800.

Question 22. 33 × 2 = 66

Answer: 2 x 33 = 66.

Explanation: In the above-given question, given that, 2 x 33. 66.

Question 23. 33 × 20 = 660.

Answer: 33 x 20 = 660.

Explanation: In the above-given question, given that, 33 x 20. 660.

Question 24. 33 × 200 = 6600.

Answer: 33 x 200 = 6600.

Explanation: In the above-given question, given that, 33 x 200. 6600.

Question 25. 24 × 10 = 240

Answer: 24 x 10 = 240.

Explanation: In the above-given question, given that, 24 x 10. 240.

Question 26. 24 × 20 = 480

Answer: 24 x 20 = 480.

Explanation: In the above-given question, given that, 24 x 20. 480.

Question 27. 24 × 100 = 2400

Answer: 24 x 100 = 2400.

Explanation: In the above-given question, given that, 24 x 100. 2400.

Question 28. 24 × 200 = 4800

Answer: 24 x 200 = 4800.

Explanation: In the above-given question, given that, 24 x 200. 4800.

Question 29. 23 × 30 = 690

Answer: 23 x 30 = 690.

Explanation: In the above-given question, given that, 23 x 30. 690.

Question 30. 23 × 300 = 6900

Answer: 23 x 300 = 6900.

Explanation: In the above-given question, given that, 23 x 300. 6900.

Question 31. 71 × 2 = 142.

Answer: 2 x 71 = 142.

Explanation: In the above-given question, given that, 2 x 71. 142.

Question 32. 71 × 20 = 1420

Answer: 20 x 71 = 1420.

Explanation: In the above-given question, given that, 20 x 71. 1420.

Question 33. 14 × 2= 28.

Answer: 2 x 14 = 28.

Explanation: In the above-given question, given that, 2 x 14. 28.

Question 34. 14 × 3 = 42.

Answer: 14 x 3 = 42.

Explanation: In the above-given question, given that, 14 x 3. 42.

Question 35. 14 × 30 = 420.

Answer: 14 x 30 = 420.

Explanation: In the above-given question, given that, 14 x 30. 420.

Question 36. 14 × 300 = 4200

Answer: 14 x 300 = 4200.

Explanation: In the above-given question, given that, 14 x 300. 4200.

Question 37. 82 × 20 = 1640

Answer: 82 x 20 = 1640.

Explanation: In the above-given question, given that, 82 x 20. 1640.

Question 38. 15 × 300 = 4500

Answer: 15 x 300 = 4500.

Explanation: In the above-given question, given that, 15 x 300. 4500.

Question 39. 71 × 600 = 42600.

Answer: 71 x 600 = 42600.

Explanation: In the above-given question, given that, 71 x 600. 42600.

Question 40. 18 × 40 = 720

Answer: 18 x 40 = 720.

Explanation: In the above-given question, given that, 18 x 40. 720.

Question 41. 75 × 30 = 2250

Answer: 75 x 30 = 2250.

Explanation: In the above-given question, given that, 75 x 30. 2250.

Question 42. 84 × 300 = 25200

Answer: 84 x 300 = 25200.

Explanation: In the above-given question, given that, 84 x 300. 25200.

Question 43. 87 × 60 = 5220

Answer: 87 x 60 = 5220.

Explanation: In the above-given question, given that, 87 x 60. 5220.

Question 44. 79 × 800 = 63200

Answer: 79 x 800 = 63200.

Explanation: In the above-given question, given that, 79 x 800. 63200.

Answer: 3 x 10 = 30, 13 x 10 = 130, 13 x 100 = 1300, 5 x 10 = 50, 35 x 10 = 350, 35 x 100 = 3500, 8 x 10 = 80, 28 x 10 = 280, 28 x 100 = 2800, 4 x 10 = 40, 4 x 2 = 8, 4 x 20 = 80, 14 x 10 = 140, 14 x 2 = 28, 14 x 20 = 280, 14 x 100 = 1400, 2 x 3 = 6, 22 x 3 = 66, 22 x 30 = 660, 22 x 300 = 6600, 44 x 2 = 88.

Answer: 44 x 20 = 800, 44 x 200 = 8000, 42 x 10 = 420, 42 x 20 = 840, 42 x 100 = 4200, 42 x 200 = 8400, 32 x 30 = 960,  32 x 300 = 9600, 81 x 2 = 162, 81 x 20 = 1620, 13 x 3 = 39, 13 x 4 = 52, 13 x 40 = 520, 13 x 400 = 5200, 72 x 30 = 2160, 15 x 300 = 4500, 81 x 600 = 48600, 16 x 40 = 640, 65 x 30 = 1950, 48 x 300 = 14400, 89 x 60 = 5340, 76 x 800 = 60,800.

Question 1. 3 × 10 = 30

Question 2. 13 × 10 = 130.

Question 3. 13 × 100 = 1300

Answer: 13 x 10 = 1300.

Explanation: In the above-given question, given that, 13 x 10. 1300.

Question 4. 5 × 10 = 50

Answer: 5 x 10 = 50.

Explanation: In the above-given question, given that, 5 x 10. 50.

Question 5. 35 × 10 = 350

Answer: 35 x 10 = 350.

Explanation: In the above-given question, given that, 35 x 10. 350.

Question 6. 35 × 100 = 3500

Answer: 35 x 100 = 3500.

Explanation: In the above-given question, given that, 35 x 100. 3500.

Question 7. 8 × 10 = 80.

Answer: 8 x 10 = 80.

Explanation: In the above-given question, given that, 8 x 10. 80.

Question 8. 28 × 10 = 280

Answer: 28 x 10 = 280.

Explanation: In the above-given question, given that, 28 x 10. 280.

Question 9. 28 × 100 = 2800

Answer: 28 x 100 = 2800.

Explanation: In the above-given question, given that, 28 x 100. 2800.

Question 10. 4 × 10 = 40

Question 11. 4 × 2 = 8

Answer: 4 x 2 = 8.

Explanation: In the above-given question, given that, 4 x 2. 8.

Question 12. 4 × 20 = 80.

Answer: 4 x 20 = 80.

Explanation: In the above-given question, given that, 4 x 20. 80.

Question 13. 14 × 10 = 140.

Answer: 14 x 10 = 140.

Explanation: In the above-given question, given that, 14 x 10. 140.

Question 14. 14 × 2 = 28

Answer: 14 x 2 = 28.

Explanation: In the above-given question, given that, 14 x 2. 28.

Question 15. 14 × 20 = 280

Answer: 14 x 20 = 280.

Explanation: In the above-given question, given that, 14 x 20. 280.

Question 16. 14 × 100 = 1400

Answer: 14 x 100 = 1400.

Explanation: In the above-given question, given that, 14 x 100. 1400.

Question 17. 14 × 200 = 2800

Answer: 14 x 200 = 2800.

Explanation: In the above-given question, given that, 14 x 200. 2800.

Question 18. 2 × 3 = 6

Answer: 3 x 2 = 6.

Explanation: In the above-given question, given that, 3 x 2. 6.

Question 19. 22 × 3 = 66.

Answer: 3 x 22 = 66.

Explanation: In the above-given question, given that, 3 x 22. 66.

Question 20. 22 × 30 = 660

Answer: 22 x 30 = 660.

Explanation: In the above-given question, given that, 22 x 30. 660.

Question 21. 22 × 300 = 6600

Answer: 22 x 300 = 6600.

Explanation: In the above-given question, given that, 22 x 300. 6600.

Question 22. 44 × 2 = 88

Answer: 42 x 2 = 88.

Explanation: In the above-given question, given that, 42 x 2. 88.

Question 23. 44 × 20 = 880

Answer: 44 x 20 = 880.

Explanation: In the above-given question, given that, 44 x 20. 880.

Question 24. 44 × 200 = 8800

Answer: 44 x 200 = 8800.

Explanation: In the above-given question, given that, 44 x 200. 8800.

Question 25. 42 × 10 = 420

Answer: 42 x 10 = 420.

Explanation: In the above-given question, given that, 42 x 10. 420.

Question 26. 42 × 20 = 840

Answer: 42 x 20 = 840.

Explanation: In the above-given question, given that, 42 x 20. 840.

Question 27. 42 × 100 = 4200

Answer: 42 x 100 = 4200.

Explanation: In the above-given question, given that, 42 x 100. 4200.

Question 28. 42 × 200 = 8400

Answer: 42 x 200 = 8400.

Explanation: In the above-given question, given that, 42 x 200. 8400.

Question 29. 32 × 30 = 960.

Answer: 32 x 30 = 960.

Explanation: In the above-given question, given that, 32 x 30. 9600.

Question 30. 32 × 300 = 9600

Answer: 32 x 300 = 9600.

Explanation: In the above-given question, given that, 32 x 300. 9600.

Question 31. 81 × 2 = 162.

Answer: 81 x 2 = 162.

Explanation: In the above-given question, given that, 81 x 2. 162.

Question 32. 81 × 20 = 1620.

Answer: 81 x 20 = 1620.

Explanation: In the above-given question, given that, 81 x 20. 1620.

Question 33. 13 × 3 = 39

Answer: 3 x 13 = 39.

Explanation: In the above-given question, given that, 3 x 13. 39.

Question 34. 13 × 4 = 52

Answer: 13 x 4 = 52.

Explanation: In the above-given question, given that, 13 x 4. 52.

Question 35. 13 × 40 = 520

Answer: 13 x 40 = 520.

Explanation: In the above-given question, given that, 13 x 40. 520.

Question 36. 13 × 400 = 5200

Answer: 13 x 400 = 5200.

Explanation: In the above-given question, given that, 13 x 400. 5200.

Question 37. 72 × 30 = 2160.

Answer: 72 x 30 = 2160.

Explanation: In the above-given question, given that, 72 x 30. 2160.

Question 39. 81 × 600 = 48600.

Answer: 81 x 600 = 48600.

Explanation: In the above-given question, given that, 81 x 600. 48600.

Question 40. 16 × 40 = 640

Answer: 16 x 40 = 640.

Explanation: In the above-given question, given that, 16 x 40. 640.

Question 41. 65 × 30 = 1950.

Answer: 65 x 30 = 1950.

Explanation: In the above-given question, given that, 65 x 30. 1950.

Question 42. 48 × 300 = 14400

Answer: 48 x 300 = 14400.

Explanation: In the above-given question, given that, 48 x 300. 14400.

Question 43. 89 × 60 = 5340

Answer: 89 x 60 = 5340.

Explanation: In the above-given question, given that, 89 x 60. 5340.

Question 44. 76 × 800 = 60800

Answer: 76 x 800 = 60800.

Explanation: In the above-given question, given that, 76 x 800. 60800.

Eureka Math Grade 5 Module 2 Lesson 7 Problem Set Answer Key

Answer: 481 x 352 = 169312.

Answer: 481 x 302 = 145262.

c. Why are there three partial products in 1(a) and only two partial products in 1(b)?

Answer: 8401 x 305 = 25,62,305.

Answer: 7481 x 350 = 26,18,350.

Question 3. Solve using the standard algorithm. a. 346 × 27

Answer: 346 x 27 = 9342.

Explanation: In the above-given question, given that, 346 x 27. 9342.

b. 1,346 × 297

Answer: 1346 x 297 = 399762.

Explanation: In the above-given question, given that, 1346 x 297. 399762.

c. 346 × 207

Answer: 346 x 207 = 71622.

Explanation: In the above-given question, given that, 346 x 207. 71622.

d. 1,346 × 207

Answer: 1346 x 207 = 278622.

Explanation: In the above-given question, given that, 1346 x 207. 278622.

Question 4. A school district purchased 615 new laptops for their mobile labs. Each computer cost $409. What is the total cost for all of the laptops?

Answer: The total cost for all of the laptops = 251535.

Explanation: In the above-given question, given that, A school didtrict purchased 615 new laptops for their mobile labs. Each computer cost $409. The total cost for all the laptops = 615 x 409. 251535.

Question 5. A publisher prints 1,512 copies of a book in each print run. If they print 305 runs, how many books will be printed?

Answer: The books will be printed =  461160.

Explanation: In the above-given question, given that, A publisher prints 1,512 copies of a book in each print run. If they print 305 runs. 1512 x 305 = 461160.

Question 6. As of the 2010 census, there were 3,669 people living in Marlboro, New York. Brooklyn, New York, has 681 times as many people. How many more people live in Brooklyn than in Marlboro?

Answer: The more people live in Brooklyn than in Marlboro = 24, 98, 589.

Explanation: In the above-given question, given that, As of the 2010 census, there were 3669 people living in Marlboro, New York. Brooklyn, New York, has 681 times as many people. 3669 x 681 = 24,98,589.

Eureka Math Grade 5 Module 2 Lesson 7 Exit Ticket Answer Key

Answer: 642 x 257 = 158574.

Answer: 642 x 207 = 132894.

Eureka Math Grade 5 Module 2 Lesson 7 Homework Answer Key

Question 1. Draw an area model. Then, solve using the standard algorithm. Use arrows to match the partial products from your area model to the partial products in your algorithm. a. 273 × 346

Answer: 273 x 346 = 94458.

Answer: 273 x 306 = 83538.

c. Both Parts (a) and (b) have three-digit multipliers. Why are there three partial products in Part (a) and only two partial products in Part (b)?

Question 2. Solve by drawing the area model and using the standard algorithm. a. 7,481 × 290

Answer: 7481 x 290 = 2169490.

Explanation: In the above-given question, given that, 7481 x 290. 2169490.

b. 7,018 × 209

Answer: 7018 x 209 = 14,66,762.

Explanation: In the above-given question, given that, 7018 x 209. 14,66,762.

Question 3. Solve using the standard algorithm. a. 426 × 357

Answer: 426 x 375 = 159750.

Explanation: In the above-given question, given that, 426 x 375. 159750.

b. 1,426 × 357

Answer: 1426 x 357 = 509082.

Explanation: In the above-given question, given that, 1426 x 357. 509082.

c. 426 × 307

Answer: 426 x 307 = 130782.

Explanation: In the above-given question, given that, 426 x 307. 130782.

d. 1,426 × 307

Answer: 1426 x 307 = 437782.

Explanation: In the above-given question, given that, 1426 x 307. 437782.

Question 4. The Hudson Valley Renegades Stadium holds a maximum of 4,505 people. During the height of their popularity, they sold out 219 consecutive games. How many tickets were sold during this time?

Answer: The tickets were sold during this time = 9,86, 595.

Explanation: In the above-given question, given that, The Hudson Valley Renegades Stadium holds a maximum of 4,505 people. During the height of their popularity, they sold out 219 consecutive games. 4505 x 219 = 9,86,595.

Question 5. One Saturday at the farmer’s market, each of the 94 vendors made $502 in profit. How much profit did all vendors make that Saturday?

Answer: The profit did all vendors make that saturday = $47188.

Explanation: In the above-given question, given that, One Saturday at the farmer’s market, each of the 94 vendors made $502 in profit. 94 x $502 = 47188.

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Common Core Grade 5 Math (Worksheets, Homework, Lesson Plans)

Looking for video lessons that will help you in your Common Core Grade 5 Math classwork or homework? Looking for Common Core Math Worksheets and Lesson Plans that will help you prepare lessons for Grade 5 students?

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Grade 5 Homework, Lesson Plans And Worksheets

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Math Expressions Answer Key for Grade 5, 4, 3, 2, 1, and Kindergarten K | Math Expressions Common Core Grades K-5

Houghton mifflin math expressions common core answer key for grade 5, 4, 3, 2, 1, and kindergarten k.

• Math Expressions Grade 5 Homework and Remembering Answer Key
• Math Expressions Grade 4 Homework and Remembering Answer Key
• Math Expressions Grade 3 Homework and Remembering Answer Key
• Math Expressions Grade 2 Homework and Remembering Answer Key
• Math Expressions Grade 1 Homework and Remembering Answer Key
• Math Expressions Kindergarten Homework and Remembering Answer Key
• Math Expressions Grade 5 Student Activity Book Answer Key
• Math Expressions Grade 4 Student Activity Book Answer Key
• Math Expressions Grade 3 Student Activity Book Answer Key
• Math Expressions Grade 2 Student Activity Book Answer Key
• Math Expressions Grade 1 Student Activity Book Answer Key
• Math Expressions Kindergarten Student Activity Book Answer Key

Math Expressions Common Core Grade 5 Homework and Remembering Answer Key

Math Expressions Grade 5 Homework and Remembering Volume 1 Answer Key | Math Expressions Common Core Grade 5 Volume 1 Answer Key

Unit 1 Addition and Subtraction with Fractions

• Math Expressions Grade 5 Unit 1 Lesson 1 Answer Key Introducing the MathBoard
• Math Expressions Grade 5 Unit 1 Lesson 2 Answer Key Explain Equivalent Fractions
• Math Expressions Grade 5 Unit 1 Lesson 3 Answer Key Equivalent Fractions and Multipliers
• Math Expressions Grade 5 Unit 1 Lesson 4 Answer Key Strategies for Comparing Fractions
• Math Expressions Grade 5 Unit 1 Lesson 5 Answer Key Fractions Greater Than One
• Math Expressions Grade 5 Unit 1 Lesson 6 Answer Key Add and Subtract Like Mixed Numbers
• Math Expressions Grade 5 Unit 1 Lesson 7 Answer Key Add Unlike Fractions
• Math Expressions Grade 5 Unit 1 Lesson 8 Answer Key Subtract Unlike Fractions
• Math Expressions Grade 5 Unit 1 Lesson 9 Answer Key Solve with Unlike Mixed Numbers
• Math Expressions Grade 5 Unit 1 Lesson 10 Answer Key Practice with Unlike Mixed Numbers
• Math Expressions Grade 5 Unit 1 Lesson 11 Answer Key Reasonable Answers
• Math Expressions Grade 5 Unit 1 Lesson 12 Answer Key Real-World Problems
• Math Expressions Grade 5 Unit 1 Lesson 13 Answer Key Focus on Mathematical Practices

Unit 2 Addition and Subtraction with Decimals

• Math Expressions Grade 5 Unit 2 Lesson 1 Answer Key Decimals as Equal Divisions
• Math Expressions Grade 5 Unit 2 Lesson 2 Answer Key Thousands to Thousandths
• Math Expressions Grade 5 Unit 2 Lesson 3 Answer Key Equate and Compare Thousandths
• Math Expressions Grade 5 Unit 2 Lesson 4 Answer Key Adding and Subtracting Decimals
• Math Expressions Grade 5 Unit 2 Lesson 5 Answer Key Add Whole Numbers and Decimals
• Math Expressions Grade 5 Unit 2 Lesson 6 Answer Key Subtract Whole and Decimal Numbers
• Math Expressions Grade 5 Unit 2 Lesson 7 Answer Key Properties and Strategies
• Math Expressions Grade 5 Unit 2 Lesson 8 Answer Key Round and Estimate with Decimals
• Math Expressions Grade 5 Unit 2 Lesson 9 Answer Key Graph with Decimal Numbers
• Math Expressions Grade 5 Unit 2 Lesson 10 Answer Key Focus on Mathematical Practices

Unit 3 Multiplication and Division with Fractions

• Math Expressions Grade 5 Unit 3 Lesson 1 Answer Key Basic Multiplication Concepts
• Math Expressions Grade 5 Unit 3 Lesson 2 Answer Key Multiplication with Non-Unit Fractions
• Math Expressions Grade 5 Unit 3 Lesson 3 Answer Key Multiplication with Fractional Solutions
• Math Expressions Grade 5 Unit 3 Lesson 4 Answer Key Multiply a Fraction by a Fraction
• Math Expressions Grade 5 Unit 3 Lesson 5 Answer Key Multiplication Strategies
• Math Expressions Grade 5 Unit 3 Lesson 6 Answer Key Multiply Mixed Numbers
• Math Expressions Grade 5 Unit 3 Lesson 7 Answer Key Relate Fraction Operations
• Math Expressions Grade 5 Unit 3 Lesson 8 Answer Key Solve Real-World Problems
• Math Expressions Grade 5 Unit 3 Lesson 9 Answer Key Make Generalizations
• Math Expressions Grade 5 Unit 3 Lesson 10 Answer Key When Dividing is Also Multiplying
• Math Expressions Grade 5 Unit 3 Lesson 11 Answer Key Solve Division Problems
• Math Expressions Grade 5 Unit 3 Lesson 12 Answer Key Distinguish Multiplication from Division
• Math Expressions Grade 5 Unit 3 Lesson 13 Answer Key Review Operations with Fractions
• Math Expressions Grade 5 Unit 3 Lesson 14 Answer Key Focus on Mathematical Practices

Unit 4 Multiplication with Whole Numbers and Decimals

• Math Expressions Grade 5 Unit 4 Lesson 1 Answer Key Shift Patterns in Multiplication
• Math Expressions Grade 5 Unit 4 Lesson 2 Answer Key Patterns with Fives and Zeros
• Math Expressions Grade 5 Unit 4 Lesson 3 Answer Key Sharing Methods for Multiplication
• Math Expressions Grade 5 Unit 4 Lesson 4 Answer Key Multiply Two-Digit Numbers
• Math Expressions Grade 5 Unit 4 Lesson 5 Answer Key Practice Multiplication
• Math Expressions Grade 5 Unit 4 Lesson 6 Answer Key Multiply Decimals by Whole Numbers
• Math Expressions Grade 5 Unit 4 Lesson 7 Answer Key Multiply by Decimals
• Math Expressions Grade 5 Unit 4 Lesson 8 Answer Key Multiply with Decimals Greater Than 1
• Math Expressions Grade 5 Unit 4 Lesson 9 Answer Key Compare Shift Patterns
• Math Expressions Grade 5 Unit 4 Lesson 10 Answer Key Estimate Products
• Math Expressions Grade 5 Unit 4 Lesson 11 Answer Key Multiplication Practice
• Math Expressions Grade 5 Unit 4 Lesson 12 Answer Key Focus on Mathematical Practices

Math Expressions Grade 5 Homework and Remembering Volume 2 Answer Key | Math Expressions Common Core Grade 5 Volume 2 Answer Key

Math Expressions Common Core Grade 5 Answer Key Unit 5 Division with Whole Numbers and Decimals

• Math Expressions Grade 5 Unit 5 Lesson 1 Answer Key Divide Whole Numbers by One Digit
• Math Expressions Grade 5 Unit 5 Lesson 2 Answer Key Explore Dividing by Two-Digit Whole Numbers
• Math Expressions Grade 5 Unit 5 Lesson 3 Answer Key Too Large, Too Small, or Just Right?
• Math Expressions Grade 5 Unit 5 Lesson 4 Answer Key Interpret Remainders
• Math Expressions Grade 5 Unit 5 Lesson 5 Answer Key Division Practice
• Math Expressions Grade 5 Unit 5 Lesson 6 Answer Key Divide Decimal Numbers by Whole Numbers
• Math Expressions Grade 5 Unit 5 Lesson 7 Answer Key Divide Whole Numbers by Decimal Numbers
• Math Expressions Grade 5 Unit 5 Lesson 8 Answer Key Divide with Two Decimal Numbers
• Math Expressions Grade 5 Unit 5 Lesson 9 Answer Key Division Practice
• Math Expressions Grade 5 Unit 5 Lesson 10 Answer Key Distinguish Between Multiplication and Division
• Math Expressions Grade 5 Unit 5 Lesson 11 Answer Key Focus on Mathematical Practices

Houghton Mifflin Harcourt Math Expressions Grade 5 Answer Key Unit 6 Operations and Word Problems

• Math Expressions Grade 5 Unit 6 Lesson 1 Answer Key Situation and Solution Equations for Addition and Subtraction
• Math Expressions Grade 5 Unit 6 Lesson 2 Answer Key Situation and Solution Equations for Multiplication and Division
• Math Expressions Grade 5 Unit 6 Lesson 3 Answer Key Write Word Problems
• Math Expressions Grade 5 Unit 6 Lesson 4 Answer Key Determine Reasonable Answers
• Math Expressions Grade 5 Unit 6 Lesson 5 Answer Key Language of Comparison Problems
• Math Expressions Grade 5 Unit 6 Lesson 6 Answer Key Multiplicative Comparison Problems
• Math Expressions Grade 5 Unit 6 Lesson 7 Answer Key Types of Comparison Problems
• Math Expressions Grade 5 Unit 6 Lesson 8 Answer Key Equations and Parentheses
• Math Expressions Grade 5 Unit 6 Lesson 9 Answer Key Multistep Word Problems
• Math Expressions Grade 5 Unit 6 Lesson 10 Answer Key Practice Problem Solving
• Math Expressions Grade 5 Unit 6 Lesson 11 Answer Key Focus on Mathematical Practices

Math Expressions Common Core Grade 5 Volume 2 Answer Key Unit 7 Algebra, Patterns, and Coordinate Graphs

• Math Expressions Grade 5 Unit 7 Lesson 1 Answer Key Read and Write Expressions
• Math Expressions Grade 5 Unit 7 Lesson 2 Answer Key Simplify Expressions
• Math Expressions Grade 5 Unit 7 Lesson 3 Answer Key Evaluate Expressions
• Math Expressions Grade 5 Unit 7 Lesson 4 Answer Key Patterns and Relationships
• Math Expressions Grade 5 Unit 7 Lesson 5 Answer Key The Coordinate Plane
• Math Expressions Grade 5 Unit 7 Lesson 6 Answer Key Graph Ordered Pairs
• Math Expressions Grade 5 Unit 7 Lesson 7 Answer Key Focus on Mathematical Practices

Math Expressions Grade 5 Homework and Remembering Volume 2 Answer Key Unit 8 Measurement and Geometry

• Math Expressions Grade 5 Unit 8 Lesson 1 Answer Key Convert Metric Units of Length
• Math Expressions Grade 5 Unit 8 Lesson 2 Answer Key Metric Units of Liquid Volume
• Math Expressions Grade 5 Unit 8 Lesson 3 Answer Key Metric Units of Mass
• Math Expressions Grade 5 Unit 8 Lesson 4 Answer Key Customary Units of Length
• Math Expressions Grade 5 Unit 8 Lesson 5 Answer Key Customary Measures of Liquid Volume
• Math Expressions Grade 5 Unit 8 Lesson 6 Answer Key Customary Units of Weight
• Math Expressions Grade 5 Unit 8 Lesson 7 Answer Key Read and Make Line Plots
• Math Expressions Grade 5 Unit 8 Lesson 8 Answer Key Perimeter and Area of Rectangles
• Math Expressions Grade 5 Unit 8 Lesson 9 Answer Key Cubic Units and Volume
• Math Expressions Grade 5 Unit 8 Lesson 10 Answer Key Visualize Volume
• Math Expressions Grade 5 Unit 8 Lesson 11 Answer Key Introduce Volume Formulas
• Math Expressions Grade 5 Unit 8 Lesson 12 Answer Key Relate Length, Area, and Volume
• Math Expressions Grade 5 Unit 8 Lesson 13 Answer Key Volume of Composite Solid Figures
• Math Expressions Grade 5 Unit 8 Lesson 14 Answer Key Attributes of Quadrilaterals
• Math Expressions Grade 5 Unit 8 Lesson 15 Answer Key Attributes of Triangles
• Math Expressions Grade 5 Unit 8 Lesson 16 Answer Key Attributes of Two-Dimensional Shapes
• Math Expressions Grade 5 Unit 8 Lesson 17 Answer Key Focus on Mathematical Practices

Math Expressions Common Core Grade 4 Homework and Remembering Answer Key

Math Expressions Grade 4 Homework and Remembering Volume 1 Answer Key | Math Expressions Common Core Grade 4 Volume 1 Answer Key

Unit 1 Place Value and Multidigit Addition and Subtraction

• Math Expressions Grade 4 Unit 1 Lesson 1 Answer Key Place Value to Thousands
• Math Expressions Grade 4 Unit 1 Lesson 2 Answer Key Place Value Patterns
• Math Expressions Grade 4 Unit 1 Lesson 3 Answer Key Round Numbers
• Math Expressions Grade 4 Unit 1 Lesson 4 Answer Key Numbers to One Million
• Math Expressions Grade 4 Unit 1 Lesson 5 Answer Key Compare and Round Greater Numbers
• Math Expressions Grade 4 Unit 1 Lesson 6 Answer Key Make New Groups for Addition
• Math Expressions Grade 4 Unit 1 Lesson 7 Answer Key Add Greater Numbers
• Math Expressions Grade 4 Unit 1 Lesson 8 Answer Key Estimation and Mental Math
• Math Expressions Grade 4 Unit 1 Lesson 9 Answer Key Subtract from Thousands
• Math Expressions Grade 4 Unit 1 Lesson 10 Answer Key Subtraction Undoes Addition
• Math Expressions Grade 4 Unit 1 Lesson 11 Answer Key Subtract Greater Numbers
• Math Expressions Grade 4 Unit 1 Lesson 12 Answer Key Practice Addition and Subtraction
• Math Expressions Grade 4 Unit 1 Lesson 13 Answer Key Problem Solving with Greater Numbers
• Math Expressions Grade 4 Unit 1 Lesson 14 Answer Key Focus on Mathematical Practices

Unit 2 Multiplication with Whole Numbers

• Math Expressions Grade 4 Unit 2 Lesson 1 Answer Key Arrays and Area Models
• Math Expressions Grade 4 Unit 2 Lesson 2 Answer Key Connect Place Value and Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 3 Answer Key Mental Math and Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 4 Answer Key Model One-Digit by Two-Digit Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 5 Answer Key Estimate Products
• Math Expressions Grade 4 Unit 2 Lesson 6 Answer Key Use Place Value to Multiply
• Math Expressions Grade 4 Unit 2 Lesson 7 Answer Key Algebraic Notation Method
• Math Expressions Grade 4 Unit 2 Lesson 8 Answer Key Compare Methods of One-Digit by Two-Digit Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 9 Answer Key Discuss Different Methods
• Math Expressions Grade 4 Unit 2 Lesson 10 Answer Key One-Digit by Three-Digit Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 11 Answer Key Multistep Word Problems
• Math Expressions Grade 4 Unit 2 Lesson 12 Answer Key Two-Digit by Two-Digit Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 13 Answer Key Different Methods for Two-Digit Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 14 Answer Key Check Products of Two-Digit Numbers
• Math Expressions Grade 4 Unit 2 Lesson 15 Answer Key Practice Multiplication
• Math Expressions Grade 4 Unit 2 Lesson 16 Answer Key Multiply One-Digit and Four-Digit Numbers
• Math Expressions Grade 4 Unit 2 Lesson 17 Answer Key Use the Shortcut Method
• Math Expressions Grade 4 Unit 2 Lesson 18 Answer Key Practice Multiplying
• Math Expressions Grade 4 Unit 2 Lesson 19 Answer Key Focus on Mathematical Practices

Unit 3 Division with Whole Numbers

• Math Expressions Grade 4 Unit 3 Lesson 1 Answer Key Divide with Remainders
• Math Expressions Grade 4 Unit 3 Lesson 2 Answer Key Relate 3-Digit Multiplication to Division
• Math Expressions Grade 4 Unit 3 Lesson 3 Answer Key Discuss 2-Digit and 4-Digit Quotients
• Math Expressions Grade 4 Unit 3 Lesson 4 Answer Key Digit-by-Digit Method
• Math Expressions Grade 4 Unit 3 Lesson 5 Answer Key Relate Three Methods
• Math Expressions Grade 4 Unit 3 Lesson 6 Answer Key Divide by Any Method
• Math Expressions Grade 4 Unit 3 Lesson 7 Answer Key Just-Under Quotient Digits
• Math Expressions Grade 4 Unit 3 Lesson 8 Answer Key Estimate to Check Quotients
• Math Expressions Grade 4 Unit 3 Lesson 9 Answer Key Make Sense of Remainders
• Math Expressions Grade 4 Unit 3 Lesson 10 Answer Key Mixed Problem Solving
• Math Expressions Grade 4 Unit 3 Lesson 11 Answer Key Focus on Mathematical Practices

Unit 4 Equations and Word Problems

• Math Expressions Grade 4 Unit 4 Lesson 1 Answer Key Properties and Algebraic Notation
• Math Expressions Grade 4 Unit 4 Lesson 2 Answer Key Situation and Solution Equations for Addition and Subtraction
• Math Expressions Grade 4 Unit 4 Lesson 3 Answer Key Situation and Solution Equations for Multiplication and Division
• Math Expressions Grade 4 Unit 4 Lesson 4 Answer Key Multiplication Comparisons
• Math Expressions Grade 4 Unit 4 Lesson 5 Answer Key Discuss Comparison Problems
• Math Expressions Grade 4 Unit 4 Lesson 6 Answer Key Graphs and Comparison Problems
• Math Expressions Grade 4 Unit 4 Lesson 7 Answer Key Solve Two-Step Problems
• Math Expressions Grade 4 Unit 4 Lesson 8 Answer Key Solve Multistep Problems
• Math Expressions Grade 4 Unit 4 Lesson 9 Answer Key Practice with Multistep Problems
• Math Expressions Grade 4 Unit 4 Lesson 10 Answer Key Factors and Prime Numbers
• Math Expressions Grade 4 Unit 4 Lesson 11 Answer Key Analyze Patterns
• Math Expressions Grade 4 Unit 4 Lesson 12 Answer Key Focus on Mathematical Practices

Math Expressions Grade 4 Homework and Remembering Volume 2 Answer Key | Math Expressions Common Core Grade 4 Volume 2 Answer Key

Grade 4 Answer Key Unit 5 Measurement

• Math Expressions Grade 4 Unit 5 Lesson 1 Answer Key Measure Length
• Math Expressions Grade 4 Unit 5 Lesson 2 Answer Key Metric Measures of Liquid Volume and Mass
• Math Expressions Grade 4 Unit 5 Lesson 3 Answer Key Units of Time
• Math Expressions Grade 4 Unit 5 Lesson 4 Answer Key Customary Measures of Length
• Math Expressions Grade 4 Unit 5 Lesson 5 Answer Key Customary Units of Weight and Liquid Volume
• Math Expressions Grade 4 Unit 5 Lesson 6 Answer Key Perimeter and Area of Rectangles
• Math Expressions Grade 4 Unit 5 Lesson 7 Answer Key Solve Measurement Problems
• Math Expressions Grade 4 Unit 5 Lesson 8 Answer Key Focus on Mathematical Practices

Unit 6 Fraction Concepts and Operations

• Math Expressions Grade 4 Unit 6 Lesson 1 Answer Key Understand Fractions
• Math Expressions Grade 4 Unit 6 Lesson 2 Answer Key Fractions That Add to One
• Math Expressions Grade 4 Unit 6 Lesson 3 Answer Key Add and Subtract Fractions with Like Denominators
• Math Expressions Grade 4 Unit 6 Lesson 4 Answer Key Mixed Numbers and Fractions Greater Than 1
• Math Expressions Grade 4 Unit 6 Lesson 5 Answer Key Add and Subtract Mixed Numbers with Like Denominators
• Math Expressions Grade 4 Unit 6 Lesson 6 Answer Key Practice with Fractions and Mixed Numbers
• Math Expressions Grade 4 Unit 6 Lesson 7 Answer Key Multiply a Fraction by a Whole Number
• Math Expressions Grade 4 Unit 6 Lesson 8 Answer Key Practice Multiplying a Fraction by a Whole Number
• Math Expressions Grade 4 Unit 6 Lesson 9 Answer Key Mixed Practice
• Math Expressions Grade 4 Unit 6 Lesson 10 Answer Key Focus on Mathematical Practices

Unit 7 Fractions and Decimals

• Math Expressions Grade 4 Unit 7 Lesson 1 Answer Key Compare Fractions
• Math Expressions Grade 4 Unit 7 Lesson 2 Answer Key Fractions on the Number Line
• Math Expressions Grade 4 Unit 7 Lesson 3 Answer Key Fractions of Different-Size Wholes
• Math Expressions Grade 4 Unit 7 Lesson 4 Answer Key Equivalent Fractions Using Multiplication
• Math Expressions Grade 4 Unit 7 Lesson 5 Answer Key Equivalent Fractions Using Division
• Math Expressions Grade 4 Unit 7 Lesson 6 Answer Key Compare Fractions with Unlike Denominators
• Math Expressions Grade 4 Unit 7 Lesson 7 Answer Key Fractions and Line Plots
• Math Expressions Grade 4 Unit 7 Lesson 8 Answer Key Relate Fractions and Decimals
• Math Expressions Grade 4 Unit 7 Lesson 9 Answer Key Explore Decimal Numbers
• Math Expressions Grade 4 Unit 7 Lesson 10 Answer Key Compare Decimals to Hundredths
• Math Expressions Grade 4 Unit 7 Lesson 11 Answer Key Decimals Greater Than 1
• Math Expressions Grade 4 Unit 7 Lesson 12 Answer Key Compare Decimals Greater Than 1
• Math Expressions Grade 4 Unit 7 Lesson 13 Answer Key Focus on Mathematical Practices

Unit 8 Geometry

• Math Expressions Grade 4 Unit 8 Lesson 1 Answer Key Points, Rays, and Angles
• Math Expressions Grade 4 Unit 8 Lesson 2 Answer Key Measuring Angles
• Math Expressions Grade 4 Unit 8 Lesson 3 Answer Key Circles and Angles
• Math Expressions Grade 4 Unit 8 Lesson 4 Answer Key Name Triangles
• Math Expressions Grade 4 Unit 8 Lesson 5 Answer Key Compose and Decompose Angles
• Math Expressions Grade 4 Unit 8 Lesson 6 Answer Key Real World Problems
• Math Expressions Grade 4 Unit 8 Lesson 7 Answer Key Parallel and Perpendicular Lines and Line Segments
• Math Expressions Grade 4 Unit 8 Lesson 8 Answer Key Classifying Quadrilaterals
• Math Expressions Grade 4 Unit 8 Lesson 9 Answer Key Decompose Quadrilaterals and Triangles
• Math Expressions Grade 4 Unit 8 Lesson 10 Answer Key Classify Polygons
• Math Expressions Grade 4 Unit 8 Lesson 11 Answer Key Line Symmetry
• Math Expressions Grade 4 Unit 8 Lesson 12 Answer Key Focus on Mathematical Practices

Math Expressions Common Core Grade 3 Homework and Remembering Answer Key

Math Expressions Grade 3 Homework and Remembering Volume 1 Answer Key | Math Expressions Common Core Grade 3 Volume 1 Answer Key

Unit 1 Multiplication and Division with 0-5, 9 and 10

• Math Expressions Grade 3 Unit 1 Lesson 1 Answer Key Multiply with 5
• Math Expressions Grade 3 Unit 1 Lesson 2 Answer Key Multiplication as Equal Groups
• Math Expressions Grade 3 Unit 1 Lesson 3 Answer Key Multiplication and Arrays
• Math Expressions Grade 3 Unit 1 Lesson 4 Answer Key The Meaning of Division
• Math Expressions Grade 3 Unit 1 Lesson 5 Answer Key Multiply and Divide with 2
• Math Expressions Grade 3 Unit 1 Lesson 6 Answer Key Building Fluency with 2s and 5s
• Math Expressions Grade 3 Unit 1 Lesson 7 Answer Key Multiply and Divide with 10
• Math Expressions Grade 3 Unit 1 Lesson 8 Answer Key Multiply and Divide with 9
• Math Expressions Grade 3 Unit 1 Lesson 9 Answer Key Building Fluency with 2s, 5s, 9s, and 10s
• Math Expressions Grade 3 Unit 1 Lesson 10 Answer Key Multiply and Divide with 3
• Math Expressions Grade 3 Unit 1 Lesson 11 Answer Key Multiplication and Area
• Math Expressions Grade 3 Unit 1 Lesson 12 Answer Key Multiply and Divide with 4
• Math Expressions Grade 3 Unit 1 Lesson 13 Answer Key Use the Strategy Cards
• Math Expressions Grade 3 Unit 1 Lesson 14 Answer Key Building Fluency with 2s, 3s, 4s, 5s, 9s, and 10s
• Math Expressions Grade 3 Unit 1 Lesson 15 Answer Key Multiply and Divide with 1 and 0
• Math Expressions Grade 3 Unit 1 Lesson 16 Answer Key Solve and create Word Problems
• Math Expressions Grade 3 Unit 1 Lesson 17 Answer Key Play Multiplication and Division Games
• Math Expressions Grade 3 Unit 1 Lesson 18 Answer Key Building Fluency with 0s, 1s, 2s, 3s, 4s, 5s, 9s, 10s
• Math Expressions Grade 3 Unit 1 Lesson 19 Answer Key Focus on Mathematical Practices

Unit 2 Multiplication and Division with 6, 7, and 8, Multiply with Multiples of 10, and Problem Solving

• Math Expressions Grade 3 Unit 2 Lesson 1 Answer Key Multiply and Divide with 6
• Math Expressions Grade 3 Unit 2 Lesson 2 Answer Key Solve Area Word Problems
• Math Expressions Grade 3 Unit 2 Lesson 3 Answer Key Multiply and Divide with 8
• Math Expressions Grade 3 Unit 2 Lesson 4 Answer Key Write Word Problems and Equations
• Math Expressions Grade 3 Unit 2 Lesson 5 Answer Key Multiply and Divide with 7
• Math Expressions Grade 3 Unit 2 Lesson 6 Answer Key Square Numbers
• Math Expressions Grade 3 Unit 2 Lesson 7 Answer Key Practice with 6s, 7s, and 8s
• Math Expressions Grade 3 Unit 2 Lesson 8 Answer Key Building Fluency with 0s – 10s
• Math Expressions Grade 3 Unit 2 Lesson 9 Answer Key Equations and Word Problems
• Math Expressions Grade 3 Unit 2 Lesson 10 Answer Key Write First Step Questions for Two-Step Problems
• Math Expressions Grade 3 Unit 2 Lesson 11 Answer Key Make Sense of Two-Step Word Problems
• Math Expressions Grade 3 Unit 2 Lesson 12 Answer Key Multiply with Multiples of 10
• Math Expressions Grade 3 Unit 2 Lesson 13 Answer Key Play Multiplication and Division Games
• Math Expressions Grade 3 Unit 2 Lesson 14 Answer Key Building Fluency with 0s – 10s
• Math Expressions Grade 3 Unit 2 Lesson 15 Answer Key Focus on Mathematical Practices

Unit 3 Measurement, Time, and Graphs

• Math Expressions Grade 3 Unit 3 Lesson 1 Answer Key Customary Units of Length
• Math Expressions Grade 3 Unit 3 Lesson 2 Answer Key Customary Units of Liquid Volume
• Math Expressions Grade 3 Unit 3 Lesson 3 Answer Key Metric Units of Liquid Volume
• Math Expressions Grade 3 Unit 3 Lesson 4 Answer Key Customary Units of Weight and Metric Units of Mass
• Math Expressions Grade 3 Unit 3 Lesson 5 Answer Key Solve Word Problems Involving Liquid Volume and Mass
• Math Expressions Grade 3 Unit 3 Lesson 6 Answer Key Tell Time
• Math Expressions Grade 3 Unit 3 Lesson 7 Answer Key Before and After the Hour
• Math Expressions Grade 3 Unit 3 Lesson 8 Answer Key Elapsed Time
• Math Expressions Grade 3 Unit 3 Lesson 9 Answer Key Add and Subtract Time
• Math Expressions Grade 3 Unit 3 Lesson 10 Answer Key Solve Word Problems Involving Time
• Math Expressions Grade 3 Unit 3 Lesson 11 Answer Key Read and Create Pictographs and Bar Graphs
• Math Expressions Grade 3 Unit 3 Lesson 12 Answer Key Read and Create Bar Graphs with Multidigit Numbers
• Math Expressions Grade 3 Unit 3 Lesson 13 Answer Key Represent and Organize Data
• Math Expressions Grade 3 Unit 3 Lesson 14 Answer Key Use Graphs to Solve Time and Measurement Word Problems
• Math Expressions Grade 3 Unit 3 Lesson 15 Answer Key Focus on Mathematical Practices

Math Expressions Grade 3 Homework and Remembering Volume 3 Answer Key | Math Expressions Common Core Grade 3 Volume 2 Answer Key

Unit 4 Multidigit Addition and Subtraction

• Math Expressions Grade 3 Unit 4 Lesson 1 Answer Key Make Place Value Drawings
• Math Expressions Grade 3 Unit 4 Lesson 2 Answer Key Build Numbers
• Math Expressions Grade 3 Unit 4 Lesson 3 Answer Key Place Value in Word Problems
• Math Expressions Grade 3 Unit 4 Lesson 4 Answer Key Practice with Place Value
• Math Expressions Grade 3 Unit 4 Lesson 5 Answer Key Round to the Nearest Hundred
• Math Expressions Grade 3 Unit 4 Lesson 6 Answer Key Round to the Nearest Ten
• Math Expressions Grade 3 Unit 4 Lesson 7 Answer Key Explore Multidigit Addition
• Math Expressions Grade 3 Unit 4 Lesson 8 Answer Key Discuss Addition Methods
• Math Expressions Grade 3 Unit 4 Lesson 9 Answer Key The Grouping Concept in Addition
• Math Expressions Grade 3 Unit 4 Lesson 10 Answer Key Practice Addition
• Math Expressions Grade 3 Unit 4 Lesson 11 Answer Key Ungroup to Subtract
• Math Expressions Grade 3 Unit 4 Lesson 12 Answer Key Subtract Across Zeros
• Math Expressions Grade 3 Unit 4 Lesson 13 Answer Key Discuss Methods of Subtracting
• Math Expressions Grade 3 Unit 4 Lesson 14 Answer Key Relate Addition and Subtraction
• Math Expressions Grade 3 Unit 4 Lesson 15 Answer Key Subtraction Practice
• Math Expressions Grade 3 Unit 4 Lesson 16 Answer Key Addition and Subtraction Practice
• Math Expressions Grade 3 Unit 4 Lesson 17 Answer Key Solve Word Problems
• Math Expressions Grade 3 Unit 4 Lesson 18 Answer Key Focus on Mathematical Practices

Unit 5 Write Equations to Solve Word Problems

• Math Expressions Grade 3 Unit 5 Lesson 1 Answer Key Addition and Subtraction Situations
• Math Expressions Grade 3 Unit 5 Lesson 2 Answer Key Word Problems with Unknown Addends or Unknown factors
• Math Expressions Grade 3 Unit 5 Lesson 3 Answer Key Word Problems with Unknown Starts
• Math Expressions Grade 3 Unit 5 Lesson 4 Answer Key Comparison Problems
• Math Expressions Grade 3 Unit 5 Lesson 5 Answer Key Comparison Problems with Misleading Language
• Math Expressions Grade 3 Unit 5 Lesson 6 Answer Key Word Problems with Extra, Hidden, or Not Enough Information
• Math Expressions Grade 3 Unit 5 Lesson 7 Answer Key Write First Step Questions for Two-Step Problems
• Math Expressions Grade 3 Unit 5 Lesson 8 Answer Key Solve Two-Step Word Problems
• Math Expressions Grade 3 Unit 5 Lesson 9 Answer Key Equations and Two-Step Word Problems
• Math Expressions Grade 3 Unit 5 Lesson 10 Answer Key Practice with Two-Step Word Problems
• Math Expressions Grade 3 Unit 5 Lesson 11 Answer Key Focus on Mathematical Practices

Unit 6 Polygons, Perimeter, and Area

• Math Expressions Grade 3 Unit 6 Lesson 1 Answer Key Triangles
• Math Expressions Grade 3 Unit 6 Lesson 2 Answer Key Parallelograms, Rectangles, Squares, and Rhombuses
• Math Expressions Grade 3 Unit 6 Lesson 3 Answer Key Draw Quadrilaterals
• Math Expressions Grade 3 Unit 6 Lesson 4 Answer Key Classify Quadrilaterals
• Math Expressions Grade 3 Unit 6 Lesson 5 Answer Key Perimeter and Area
• Math Expressions Grade 3 Unit 6 Lesson 6 Answer Key Side Lengths with Area and Perimeter
• Math Expressions Grade 3 Unit 6 Lesson 7 Answer Key Compare Areas and Perimeters
• Math Expressions Grade 3 Unit 6 Lesson 8 Answer Key Area of Rectilinear Figures
• Math Expressions Grade 3 Unit 6 Lesson 9 Answer Key Solve Perimeter and Area Problems
• Math Expressions Grade 3 Unit 6 Lesson 10 Answer Key Tangram Shapes and Area
• Math Expressions Grade 3 Unit 6 Lesson 11 Answer Key Focus on Mathematical Practices

Unit 7 Explore Fractions

• Math Expressions Grade 3 Unit 7 Lesson 1 Answer Key Understand Fractions
• Math Expressions Grade 3 Unit 7 Lesson 2 Answer Key Model Fractions
• Math Expressions Grade 3 Unit 7 Lesson 3 Answer Key Locate Fractions on the Number Line
• Math Expressions Grade 3 Unit 7 Lesson 4 Answer Key Compare Unit Fractions
• Math Expressions Grade 3 Unit 7 Lesson 5 Answer Key Compare Fractions
• Math Expressions Grade 3 Unit 7 Lesson 6 Answer Key Introduce Equivalence
• Math Expressions Grade 3 Unit 7 Lesson 7 Answer Key Equivalent Fractions
• Math Expressions Grade 3 Unit 7 Lesson 8 Answer Key Problem Solving with Fractions
• Math Expressions Grade 3 Unit 7 Lesson 9 Answer Key Focus on Mathematical Practices

Math Expressions Common Core Grade 2 Homework and Remembering Answer Key

Math Expressions Grade 2 Homework and Remembering Volume 1 Answer Key | Math Expressions Common Core Grade 2 Volume 1 Answer Key

Unit 1 Addition and Subtraction Within 20

• Math Expressions Grade 2 Unit 1 Lesson 1 Answer Key Represent Addition and Subtraction
• Math Expressions Grade 2 Unit 1 Lesson 2 Answer Key Relate Addition and Subtraction
• Math Expressions Grade 2 Unit 1 Lesson 3 Answer Key Make-a-Ten Strategies
• Math Expressions Grade 2 Unit 1 Lesson 4 Answer Key Relate Unknown Addends and Subtraction
• Math Expressions Grade 2 Unit 1 Lesson 5 Answer Key More Practice with Unknown Addends and Teen Totals
• Math Expressions Grade 2 Unit 1 Lesson 6 Answer Key Odd and Even Numbers
• Math Expressions Grade 2 Unit 1 Lesson 7 Answer Key Strategies Using Doubles
• Math Expressions Grade 2 Unit 1 Lesson 8 Answer Key Equations, Equation Chains, and Vertical Form
• Math Expressions Grade 2 Unit 1 Lesson 9 Answer Key Add Three or Four Addends
• Math Expressions Grade 2 Unit 1 Lesson 10 Answer Key Add To and Take From Word Problems
• Math Expressions Grade 2 Unit 1 Lesson 11 Answer Key Add To and Take From Problems – Unknown in All Positions
• Math Expressions Grade 2 Unit 1 Lesson 12 Answer Key Put Together/Take Apart Problems
• Math Expressions Grade 2 Unit 1 Lesson 13 Answer Key Special Put Together/Take Apart Problems
• Math Expressions Grade 2 Unit 1 Lesson 14 Answer Key Compare Word Problems
• Math Expressions Grade 2 Unit 1 Lesson 15 Answer Key More Compare Word Problems
• Math Expressions Grade 2 Unit 1 Lesson 16 Answer Key Mixed Word Problems
• Math Expressions Grade 2 Unit 1 Lesson 17 Answer Key Problems with Not Enough, Extra, or Hidden Information
• Math Expressions Grade 2 Unit 1 Lesson 18 Answer Key More Complex Compare Problems
• Math Expressions Grade 2 Unit 1 Lesson 19 Answer Key Two-Step Word Problems
• Math Expressions Grade 2 Unit 1 Lesson 20 Answer Key Mixed Word Problems
• Math Expressions Grade 2 Unit 1 Lesson 21 Answer Key Focus on Mathematical Practices

Unit 2 Addition Within 200

• Math Expressions Grade 2 Unit 2 Lesson 1 Answer Key Ones, Tens, and Hundreds
• Math Expressions Grade 2 Unit 2 Lesson 2 Answer Key Draw Quick Tens and Quick Hundreds
• Math Expressions Grade 2 Unit 2 Lesson 3 Answer Key Represent Numbers in Different Ways
• Math Expressions Grade 2 Unit 2 Lesson 4 Answer Key Combine Ones, Tens, and Hundreds
• Math Expressions Grade 2 Unit 2 Lesson 5 Answer Key Compare Numbers within 200
• Math Expressions Grade 2 Unit 2 Lesson 6 Answer Key Explore 2-Digit Addition
• Math Expressions Grade 2 Unit 2 Lesson 7 Answer Key Addition – Show All Totals Method
• Math Expressions Grade 2 Unit 2 Lesson 8 Answer Key Addition – New Groups Below Method
• Math Expressions Grade 2 Unit 2 Lesson 9 Answer Key Practice Addition with Sums over 100
• Math Expressions Grade 2 Unit 2 Lesson 10 Answer Key Choose an Addition Method
• Math Expressions Grade 2 Unit 2 Lesson 11 Answer Key Buy with Pennies and Dimes
• Math Expressions Grade 2 Unit 2 Lesson 12 Answer Key Pennies, Nickels, and Dimes
• Math Expressions Grade 2 Unit 2 Lesson 13 Answer Key Fluency: Addition Within 100
• Math Expressions Grade 2 Unit 2 Lesson 14 Answer Key Add Three or Four 2-Digit Addends
• Math Expressions Grade 2 Unit 2 Lesson 15 Answer Key Focus on Mathematical Practices

Unit 3 Length and Shapes

• Math Expressions Grade 2 Unit 3 Lesson 1 Answer Key Measure Length
• Math Expressions Grade 2 Unit 3 Lesson 2 Answer Key Recognize and Draw Shapes
• Math Expressions Grade 2 Unit 3 Lesson 3 Answer Key Estimate and Measure
• Math Expressions Grade 2 Unit 3 Lesson 4 Answer Key Draw, Estimate, and Measure
• Math Expressions Grade 2 Unit 3 Lesson 5 Answer Key Draw Using Faces
• Math Expressions Grade 2 Unit 3 Lesson 6 Answer Key Estimate and Measure with Centimeters
• Math Expressions Grade 2 Unit 3 Lesson 7 Answer Key Estimate and Measure with Inches
• Math Expressions Grade 2 Unit 3 Lesson 8 Answer Key Measure for and Make Line Plots
• Math Expressions Grade 2 Unit 3 Lesson 9 Answer Key Focus on Mathematical Practices

Math Expressions Grade 2 Homework and Remembering Volume 3 Answer Key | Math Expressions Common Core Grade 2 Volume 2 Answer Key

Unit 4 Subtract 2-Digit Numbers

• Math Expressions Grade 2 Unit 4 Lesson 1 Answer Key Explore Quarters
• Math Expressions Grade 2 Unit 4 Lesson 2 Answer Key Explore Dollars
• Math Expressions Grade 2 Unit 4 Lesson 3 Answer Key Addends and Subtraction
• Math Expressions Grade 2 Unit 4 Lesson 4 Answer Key Subtraction Word Problems
• Math Expressions Grade 2 Unit 4 Lesson 5 Answer Key Two Methods of Subtraction
• Math Expressions Grade 2 Unit 4 Lesson 6 Answer Key Practice and Explain a Method
• Math Expressions Grade 2 Unit 4 Lesson 7 Answer Key Subtract from 200
• Math Expressions Grade 2 Unit 4 Lesson 8 Answer Key Ungroup from the Left or from the Right
• Math Expressions Grade 2 Unit 4 Lesson 9 Answer Key Zero in the Ones or Tens Place
• Math Expressions Grade 2 Unit 4 Lesson 10 Answer Key Model Subtraction with Money
• Math Expressions Grade 2 Unit 4 Lesson 11 Answer Key Fluency: Subtraction Within 100
• Math Expressions Grade 2 Unit 4 Lesson 12 Answer Key Word Problems with Addition and Subtraction
• Math Expressions Grade 2 Unit 4 Lesson 13 Answer Key Equations with Greater Numbers
• Math Expressions Grade 2 Unit 4 Lesson 14 Answer Key Practice Addition and Subtraction
• Math Expressions Grade 2 Unit 4 Lesson 15 Answer Key Buy and Sell with One Dollar
• Math Expressions Grade 2 Unit 4 Lesson 16 Answer Key Word Problems with Unknown Addends
• Math Expressions Grade 2 Unit 4 Lesson 17 Answer Key More Word Problems with Unknown Addends
• Math Expressions Grade 2 Unit 4 Lesson 18 Answer Key Start Unknown Problems
• Math Expressions Grade 2 Unit 4 Lesson 19 Answer Key Compare Word Problems
• Math Expressions Grade 2 Unit 4 Lesson 20 Answer Key Mixed Word Problems
• Math Expressions Grade 2 Unit 4 Lesson 21 Answer Key Two-Step Problems
• Math Expressions Grade 2 Unit 4 Lesson 22 Answer Key More Two-Step Word Problems
• Math Expressions Grade 2 Unit 4 Lesson 23 Answer Key Focus on Mathematical Practices

Unit 5 Time, Graphs, and Word Problems

• Math Expressions Grade 2 Unit 5 Lesson 1 Answer Key Hours and A.M. or P.M
• Math Expressions Grade 2 Unit 5 Lesson 2 Answer Key Hours and Minutes
• Math Expressions Grade 2 Unit 5 Lesson 3 Answer Key Discuss Picture Graphs
• Math Expressions Grade 2 Unit 5 Lesson 4 Answer Key Read Picture Graphs
• Math Expressions Grade 2 Unit 5 Lesson 5 Answer Key Introduce Bar Graphs
• Math Expressions Grade 2 Unit 5 Lesson 6 Answer Key Read Bar Graphs
• Math Expressions Grade 2 Unit 5 Lesson 7 Answer Key Solve Problems Using a Bar Graph
• Math Expressions Grade 2 Unit 5 Lesson 8 Answer Key Collect and Graph Data
• Math Expressions Grade 2 Unit 5 Lesson 9 Answer Key Make Graphs and Interpret Data
• Math Expressions Grade 2 Unit 5 Lesson 10 Answer Key Focus on Mathematical Practices

3-Digit Addition and Subtraction

• Math Expressions Grade 2 Unit 6 Lesson 1 Answer Key Count Numbers to 1,000
• Math Expressions Grade 2 Unit 6 Lesson 2 Answer Key Place Value
• Math Expressions Grade 2 Unit 6 Lesson 3 Answer Key Compare Numbers Within 999
• Math Expressions Grade 2 Unit 6 Lesson 4 Answer Key Count by Ones and by Tens
• Math Expressions Grade 2 Unit 6 Lesson 5 Answer Key Add Ones, Tens, and Hundreds
• Math Expressions Grade 2 Unit 6 Lesson 6 Answer Key 3-Digit Addition
• Math Expressions Grade 2 Unit 6 Lesson 7 Answer Key Discuss 3-Digit Addition
• Math Expressions Grade 2 Unit 6 Lesson 8 Answer Key Word Problems: Unknown Addends
• Math Expressions Grade 2 Unit 6 Lesson 9 Answer Key Subtract from Hundreds Numbers
• Math Expressions Grade 2 Unit 6 Lesson 10 Answer Key Subtract from Numbers with Zeros
• Math Expressions Grade 2 Unit 6 Lesson 11 Answer Key Subtract from Any 3-Digit Number
• Math Expressions Grade 2 Unit 6 Lesson 12 Answer Key Practice Ungrouping
• Math Expressions Grade 2 Unit 6 Lesson 13 Answer Key Relationships Between Addition and Subtraction Methods
• Math Expressions Grade 2 Unit 6 Lesson 14 Answer Key Mixed Addition and Subtraction Word Problems
• Math Expressions Grade 2 Unit 6 Lesson 15 Answer Key Focus on Mathematical Practices

Unit 7 Arrays, Equal Shares, and Adding or Subtracting

• Math Expressions Grade 2 Unit 7 Lesson 1 Answer Key Arrays, Partitioned Rectangles, and Equal Shares
• Math Expressions Grade 2 Unit 7 Lesson 2 Answer Key Find Equal Shares
• Math Expressions Grade 2 Unit 7 Lesson 3 Answer Key Length Word Problems and Number Line Diagrams
• Math Expressions Grade 2 Unit 7 Lesson 4 Answer Key Add Three and Four Lengths
• Math Expressions Grade 2 Unit 7 Lesson 5 Answer Key More Length Word Problems
• Math Expressions Grade 2 Unit 7 Lesson 6 Answer Key Focus on Mathematical Practices

Math Expressions Common Core Grade 1 Homework and Remembering Answer Key

Math Expressions Grade 1 Homework and Remembering Volume 1 Answer Key | Math Expressions Common Core Grade 1 Volume 1 Answer Key

Unit 1 Partners and Number Patterns Through 10

• Math Expressions Grade 1 Unit 1 Lesson 1 Answer Key Discuss Numbers 1 – 10
• Math Expressions Grade 1 Unit 1 Lesson 2 Answer Key Visualize Numbers as a 5-Group and Ones
• Math Expressions Grade 1 Unit 1 Lesson 3 Answer Key Partners of 2 Through 5
• Math Expressions Grade 1 Unit 1 Lesson 4 Answer Key Partners of 6
• Math Expressions Grade 1 Unit 1 Lesson 5 Answer Key Partners of 7
• Math Expressions Grade 1 Unit 1 Lesson 6 Answer Key Partners of 8
• Math Expressions Grade 1 Unit 1 Lesson 7 Answer Key Partners of 9
• Math Expressions Grade 1 Unit 1 Lesson 8 Answer Key Partners of 10
• Math Expressions Grade 1 Unit 1 Lesson 9 Answer Key Focus on Mathematical Practices

Unit 2 Addition and Subtraction Strategies

• Math Expressions Grade 1 Unit 2 Lesson 1 Answer Key Represent Addition
• Math Expressions Grade 1 Unit 2 Lesson 2 Answer Key Addition with Circle Drawings
• Math Expressions Grade 1 Unit 2 Lesson 3 Answer Key Addition Equations
• Math Expressions Grade 1 Unit 2 Lesson 4 Answer Key Addition Equations and Stories
• Math Expressions Grade 1 Unit 2 Lesson 5 Answer Key Explore Solution Methods
• Math Expressions Grade 1 Unit 2 Lesson 6 Answer Key Addition Strategies: Counting On
• Math Expressions Grade 1 Unit 2 Lesson 7 Answer Key Count On from the Greater Number
• Math Expressions Grade 1 Unit 2 Lesson 8 Answer Key Addition Game: Unknown Totals
• Math Expressions Grade 1 Unit 2 Lesson 9 Answer Key Practice Counting On
• Math Expressions Grade 1 Unit 2 Lesson 10 Answer Key Represent Subtraction
• Math Expressions Grade 1 Unit 2 Lesson 11 Answer Key Subtraction with Drawings and Equations
• Math Expressions Grade 1 Unit 2 Lesson 12 Answer Key Practice with Subtraction
• Math Expressions Grade 1 Unit 2 Lesson 13 Answer Key Generate Subtraction Problems
• Math Expressions Grade 1 Unit 2 Lesson 14 Answer Key Relate Addition and Subtraction
• Math Expressions Grade 1 Unit 2 Lesson 15 Answer Key Mixed Practice with Equations
• Math Expressions Grade 1 Unit 2 Lesson 16 Answer Key Focus on Mathematical Practices

Unit 3 Unknown Numbers in Addition and Subtraction

• Math Expressions Grade 1 Unit 3 Lesson 1 Answer Key Explore Unknowns
• Math Expressions Grade 1 Unit 3 Lesson 2 Answer Key Problems with Unknown Partners
• Math Expressions Grade 1 Unit 3 Lesson 3 Answer Key Solve Equations with Unknown Partners
• Math Expressions Grade 1 Unit 3 Lesson 4 Answer Key Addition Game: Unknown Partners
• Math Expressions Grade 1 Unit 3 Lesson 5 Answer Key Practice with Unknown Partners
• Math Expressions Grade 1 Unit 3 Lesson 6 Answer Key Subtraction Strategies
• Math Expressions Grade 1 Unit 3 Lesson 7 Answer Key Subtraction Stories and Games
• Math Expressions Grade 1 Unit 3 Lesson 8 Answer Key Practice with Subtraction Stories
• Math Expressions Grade 1 Unit 3 Lesson 9 Answer Key Relate Addition and Subtraction Situations
• Math Expressions Grade 1 Unit 3 Lesson 10 Answer Key Solve Mixed Problems
• Math Expressions Grade 1 Unit 3 Lesson 11 Answer Key Practice with Mixed Problems
• Math Expressions Grade 1 Unit 3 Lesson 12 Answer Key Focus on Mathematical Practices

Unit 4 Place Value Concepts

• Math Expressions Grade 1 Unit 4 Lesson 1 Answer Key Introduction to Tens Groupings
• Math Expressions Grade 1 Unit 4 Lesson 2 Answer Key Explore Teen Numbers
• Math Expressions Grade 1 Unit 4 Lesson 3 Answer Key Represent and Compare Teen Numbers
• Math Expressions Grade 1 Unit 4 Lesson 4 Answer Key Visualize Teen Addition
• Math Expressions Grade 1 Unit 4 Lesson 5 Answer Key Teen Addition Strategies
• Math Expressions Grade 1 Unit 4 Lesson 6 Answer Key Investigate Doubles
• Math Expressions Grade 1 Unit 4 Lesson 7 Answer Key Understand Tens and Ones
• Math Expressions Grade 1 Unit 4 Lesson 8 Answer Key Integrate Tens and Ones
• Math Expressions Grade 1 Unit 4 Lesson 9 Answer Key Practice Grouping Ones into Tens
• Math Expressions Grade 1 Unit 4 Lesson 10 Answer Key Add with Groups of Ten
• Math Expressions Grade 1 Unit 4 Lesson 11 Answer Key Practice with Tens and Ones
• Math Expressions Grade 1 Unit 4 Lesson 12 Answer Key Use Place Value to Compare Numbers
• Math Expressions Grade 1 Unit 4 Lesson 13 Answer Key Add Tens or Ones
• Math Expressions Grade 1 Unit 4 Lesson 14 Answer Key Mixed Addition with Tens and Ones
• Math Expressions Grade 1 Unit 4 Lesson 15 Answer Key Counting On Strategy: 2-Digit Numbers
• Math Expressions Grade 1 Unit 4 Lesson 16 Answer Key Practice with 2-Digit Numbers
• Math Expressions Grade 1 Unit 4 Lesson 17 Answer Key 2-Digit Addition Games
• Math Expressions Grade 1 Unit 4 Lesson 18 Answer Key Focus on Mathematical Practices

Math Expressions Grade 1 Homework and Remembering Volume 3 Answer Key | Math Expressions Common Core Grade 1 Volume 2 Answer Key

Unit 5 Place Value Situations

• Math Expressions Grade 1 Unit 5 Lesson 1 Answer Key Unknown Partners with Teen Totals
• Math Expressions Grade 1 Unit 5 Lesson 2 Answer Key Subtraction with Teen Numbers
• Math Expressions Grade 1 Unit 5 Lesson 3 Answer Key Mixed Practice with Teen Problems
• Math Expressions Grade 1 Unit 5 Lesson 4 Answer Key Small Group Practice with Teen Problems
• Math Expressions Grade 1 Unit 5 Lesson 5 Answer Key Teen Problems with Various Unknowns
• Math Expressions Grade 1 Unit 5 Lesson 6 Answer Key Problems with Three Addends
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• Math Expressions Grade 1 Unit 5 Lesson 8 Answer Key Numbers Through 120
• Math Expressions Grade 1 Unit 5 Lesson 9 Answer Key Add and Subtract Tens
• Math Expressions Grade 1 Unit 5 Lesson 10 Answer Key Add and Subtract Multiples of 10
• Math Expressions Grade 1 Unit 5 Lesson 11 Answer Key Focus on Mathematical Practices

Unit 6 Comparisons and Data

• Math Expressions Grade 1 Unit 6 Lesson 1 Answer Key Explore Representing Data
• Math Expressions Grade 1 Unit 6 Lesson 2 Answer Key Organize Categorical Data
• Math Expressions Grade 1 Unit 6 Lesson 3 Answer Key Use Stair Steps to Represent Data
• Math Expressions Grade 1 Unit 6 Lesson 4 Answer Key Data Sets with Three Categories
• Math Expressions Grade 1 Unit 6 Lesson 5 Answer Key Data Collecting
• Math Expressions Grade 1 Unit 6 Lesson 6 Answer Key Introduce Comparison Bars
• Math Expressions Grade 1 Unit 6 Lesson 7 Answer Key Comparison Bars and Comparing Language
• Math Expressions Grade 1 Unit 6 Lesson 8 Answer Key Solve Compare Problems
• Math Expressions Grade 1 Unit 6 Lesson 9 Answer Key Focus on Mathematical Practices

Unit 7 Geometry, Measurement, and Equal Shares

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• Math Expressions Grade 1 Unit 7 Lesson 2 Answer Key Tell and Write Time in Hours
• Math Expressions Grade 1 Unit 7 Lesson 3 Answer Key Time in Our Day
• Math Expressions Grade 1 Unit 7 Lesson 4 Answer Key Tell and Write Time in Half-Hours
• Math Expressions Grade 1 Unit 7 Lesson 5 Answer Key Practice Telling and Writing Time
• Math Expressions Grade 1 Unit 7 Lesson 6 Answer Key Squares and Other Rectangles
• Math Expressions Grade 1 Unit 7 Lesson 7 Answer Key Triangles and Circles
• Math Expressions Grade 1 Unit 7 Lesson 8 Answer Key Equal Shares
• Math Expressions Grade 1 Unit 7 Lesson 9 Answer Key Compose 2-Dimensional Shapes
• Math Expressions Grade 1 Unit 7 Lesson 10 Answer Key 3-Dimensional Shapes
• Math Expressions Grade 1 Unit 7 Lesson 11 Answer Key Compose 3-Dimensional Shapes
• Math Expressions Grade 1 Unit 7 Lesson 12 Answer Key Order by Length
• Math Expressions Grade 1 Unit 7 Lesson 13 Answer Key Measure with Length Units
• Math Expressions Grade 1 Unit 7 Lesson 14 Answer Key Focus on Mathematical Practices

Unit 8 Two-Digit Addition

• Math Expressions Grade 1 Unit 8 Lesson 1 Answer Key Explore 2-Digit Addition
• Math Expressions Grade 1 Unit 8 Lesson 2 Answer Key Methods of 2-Digit Addition
• Math Expressions Grade 1 Unit 8 Lesson 3 Answer Key Addition of Tens and Ones
• Math Expressions Grade 1 Unit 8 Lesson 4 Answer Key Discuss Solution Methods
• Math Expressions Grade 1 Unit 8 Lesson 5 Answer Key Practice 2-Digit Addition
• Math Expressions Grade 1 Unit 8 Lesson 6 Answer Key Focus on Mathematical Practices

Math Expressions Common Core Kindergarten Homework and Remembering Answer Key

Math Expressions Kindergarten Homework and Remembering Volume 1 Answer Key | Math Expressions Common Core Grade K Volume 1 Answer Key

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Math Expressions Kindergarten Homework and Remembering Volume 3 Answer Key | Math Expressions Common Core Grade K Volume 2 Answer Key

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Texas Go Math Grade 5 Lesson 7.2 Answer Key Prime and Composite Numbers

Refer to our Texas Go Math Grade 5 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 5 Lesson 7.2 Answer Key Prime and Composite Numbers.

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Students are arranging square tables to make one larger, rectangular table at a fundraiser for an animal shelter. If the students want to choose from the greatest number of ways to arrange the tables, should they use 12 or 13 square tables?

• What are the factors of 12? Answer:

Use a grid to show all the possible arrangements of 12 and 13 tables.

ERROR Alert The same factors in a different order should be counted only once. For example, 3 × 4 and 4 × 3 are the same factor pair.

So, there are more ways to arrange ___________ tables. Answer:

Math Talk Mathematical Processes

Explain how knowing whether 12 and 13 are prime or helped you solve the problem above. Answer:

• A prime number is a whole number greater than 1 that has exactly two factors, 1 and itself. • A composite number ¡s a whole number greater than 1 that has more than two factors. Factors of 12: _______ , _______, _______ , _______ , _______ , _____ Factors of 13: _______, _______ 12 is a _______ number, and 13 is a _______ number. Answer: Factors of 12: 1 , 2, 3 , 4 , 6, 12 Factors of 13: 1, 13 12 is a composite number, and 13 is a prime number.

Divisibility You can use divisibility rules to help tell whether a number is prime or composite. If a number is divisible by any number other than 1 and itself, then the number is composite.

Math Idea The number 1 is neither prime nor composite, since it has only one factor: 1.

Tell whether 51 is prime or composite. Is 51 divisible by 2? _______________________ Is 51 divisible by 3? _______________________ Think: 51 is divisible by a number other than 1 and 51. 51 has more than two factors. So, 51 is ____________. Answer: Is 51 divisible by 2? No Is 51 divisible by 3? Yes, 51 ÷ 3 = 17 51 is divisible by a number other than 1 and 51. 51 has more than two factors. So, 51 is composite number . Explanation: 51 is not a prime number because there are three factors of 51. By the division method, we find that 1, 3,17, and 51 divide 51 evenly without any remainder. Hence, any number that has more than 2 factors is called as composite number. So, 51 is composite number.

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Tell whether the number is prime or composite.

Question 1. 11 Think: Does 11 have other factors besides 1 and itself? Answer: The factors of 11 are 1, 11. So, 11 is a prime number . Explanation: 11 is a prime number. The number 11 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors.

Go Math Grade 5 Lesson 7.2 Answer Key Question 2. 73 Answer: The factors of 73 are 1, 73. So, 73 is a prime number . Explanation: 73 is a prime number. The number 73 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 73 has exactly two factors, 1 and 73, it is a prime number.

Question 3. 69 Answer: 1 x 69 = 69 3 x 23 = 69 So, 69 is a composite number. Explanation: 69 is a composite number because 69 has more than 2 factors. The factors of 69 are 1, 3, 23, 69.

Question 4. 42 Answer: 1 x 42 = 42 2 x 21 = 42 3 x 14 = 42 6 x 7 = 42 So, 42 is a composite number. Explanation: 42 is a composite number because 42 has more than 2 factors. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.

Is the product of two prime numbers prime or composite? Explain. Answer:

Problem Solving

H.O.T. Analyze Write true or false for each statement. Explain or give an example to support your answer.

Question 5. The number 1 is not prime. Answer: True , The number 1 is not prime. Number 1 has positive divisors as 1 and itself. According to the definition of prime numbers, any number having only two positive divisors are known as prime numbers. So,1 is not a prime number and it is not a composite number.

Question 6. A composite number cannot have three factors. Answer: False , A composite number can have three factors. Explanation: Composite numbers are whole numbers that have at least three factors. Prime numbers have two factors one and itself. For example, the only factors for 2 is 1 and 2 (1 x 2). However, 4 has three factors 1, 2, and 4 (1 x 4 and 2 x 2).

Question 7. Only odd numbers are prime numbers. Answer: False , The prime number 2 is a even number. Explanation: A prime number is a positive integer having exactly two factors. If p is a prime, then it’s only factors are necessarily 1 and p itself. The first ten primes are  2, 3, 5, 7, 11, 13, 17, 19, 23, 29 .

Question 8. Every multiple of 7 is a composite number. Answer: False Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70….. Explanation: The numbers which can be generated by multiplying the two smallest positive integers and containing at least one divisor other than the number ‘1’ and itself are known as composite numbers. These numbers always have more than two factors. The number 7 itself is a multiple of 7 [7 * 1 = 7] and it is not a composite.

Go Math Answer Key Grade 5 Lesson 7.2 Question 9. H.O.T. Name a 2-digit odd number that is prime. Name a 2-digit odd number that is composite. Answer: The 2-digit odd number 11 is prime number. The 2-digit odd number 69 is composite number. Explanation: The 2 digit means it has two numbers. A prime number is a positive integer having exactly two factors. Prime meaning its factors must be 1 and itself, and it also must be odd number. The 2-digit odd number 11 is prime number. The 2 digit means it has two numbers. In Mathematics, composite numbers are numbers that have more than two factors. The 2-digit odd number 69 is composite number. 69 is a composite number because 69 has more than 2 factors. The factors of 69 are 1, 3, 23, 69.

Eratosthenes was a Greek mathematician who lived more than 2,200 years ago. He invented a method of finding prime numbers, which is now called the Sieve of Eratosthenes.

Question 10. Multi-Step Follow the steps below to circle all prime numbers less than 100. Then list the prime numbers.

STEP 1: Cross out 1, since 1 is not prime.

STEP 2: Circle 2, since it is prime. Cross out all other multiples of 2.

STEP 3: Circle the next number that is not crossed out. This number is prime. Cross out all the multiples of this number.

STEP 4: Repeat Step 3 until every number is either circled or crossed out.

Daily Assessment Task

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Texas Test Prep

Texas Go Math Grade 5 Lesson 7.2 Homework and Practice Answer Key

Question 1. 19 Answer: 1 x 19 = 19 So, the number 19 is a prime number . Explanation: Prime numbers are the positive integers having only two factors, 1 and the integer itself. The factors of 19 are 1, 19. So the number 19 is a prime number.

Question 2. 81 Answer: The factors of 81 are 1, 3, 9, 27, 81 So, the number 81 is a composite number. Explanation: A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number. The number 81 can be evenly divided by 1, 3, 9, 27 and 81, with no remainder. Since 81 cannot be divided by just 1 and 81. So, it is a composite number.

Question 3. 52 Answer: The factors of 52 are 1, 2, 4, 13, 26, 52. So, the number 52 is a composite number . Explanation: The number 52 has more than two factors. The factors of 52 are 1, 2, 4, 13, 26, 52. In other words, 52 is a composite number because 52 has more than 2 factors.

Question 4. 23 Answer: 1 x 23 = 23 So, the number 23 is a prime number . Explanation: Prime numbers are the positive integers having only two factors, 1 and the integer itself. The factors of 23 are 1, 23. So the number 23 is a prime number.

Question 5. 33 Answer: The factors of 33 are 1, 3, 11, 33. So, the number 33 is a composite number. Explanation: A composite number is a number that can be divided evenly by more numbers than 1 and itself. The number 33 can be evenly divided by 1, 3, 11 and 33, with no remainder. Since 33 cannot be divided by just 1 and 33. So, 33 is a composite number.

Go Math Grade 5 Lesson 7.2 Homework Answer Key Question 6. 60 Answer: The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60. So, the number 60 is a composite number. Explanation: A composite number is a number that can be divided evenly by more numbers than 1 and itself. The number 60 can be evenly divided by 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, with no remainder. Since 60 cannot be divided by just 1 and 60. So, 60 is a composite number.

Question 7. 31 Answer: 1 x 31 = 31 So, the number 31 is a prime number . Explanation: Prime numbers are the positive integers having only two factors, 1 and the integer itself. The factors of 31 are 1, 31. So the number 31 is a prime number.

Question 8. 25 Answer: The factors of 25 are 1, 5, 25. So, the number 25 is a composite number. Explanation: A composite number is a number that can be divided evenly by more numbers than 1 and itself. The number 25 can be evenly divided by 1, 5, 25, with no remainder. Since 25 cannot be divided by just 1 and 25. So, 25 is a composite number.

Write true or false for each statement. Explain or give an example to support your answer.

Question 9. A prime number is always greater than 1. Answer: True, A prime number is always greater than 1. Prime numbers are 2, 3, 5, 7, 11, 13….. Explanation: A prime number is a whole number greater than 1. It has exactly two factors, that is, 1 and the number itself. There is only one even prime number, that is, 2. Any two prime numbers are always co-prime to each other. So the given statement is True.

Question 10. The number 17 is a prime number. Answer: True , The number 17 is a prime number. Explanation: A prime number is a whole number greater than 1. It has exactly two factors, that is, 1 and the number itself. The factors of 17 is 1, 17. The number 17 is a prime number. So the given statement is True.

Question 11. Every multiple of 5 is a composite number. Answer: True , Every multiple of 5 is a composite number. Explanation: In Mathematics, composite numbers are numbers that have more than two factors. The multiples of 5 are 10, 15, 20, 25, 30, 35 and so on. The above-given statement is true. Every multiple of 5 is a composite number. Except for 5 because 5 is a prime number.

Practice and Homework Lesson 7.2 Go Math Grade 5 Question 12. A number can be both prime and composite. Answer: False , A number cannot be both prime and composite numbers. Explanation: Numbers can be classified on the basis of the number of factors they have. If a number has just two factors – 1 and the number itself, then it is a prime number. However, most numbers have more than two factors, and they are called composite numbers. The opposite of composite is prime numbers. So, the above-given statement is false.

Question 13. The students in math class use square tiles to make arrays. Celia says they can make more arrays with 8 tiles than with 9 tiles because 8 has more factors. Is Celia correct? Explain. Answer:

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