Date: P H A TE R C Name: 7 Multiplication Worksheet 1 Mental Multiplication Write three multiplication sentences using three methods. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Example There are 5 apples on each branch. Jay picks all the apples off of 4 branches. How many apples does Jay pick? 1. 2. a. 5 ⫹ 5 ⫹ 5 b. 5 ⫻ 4 ⫽ 20 c. 4 ⫻ 5 ⫽ 20 ⫹ 5 ⫽ 20 Aiesha puts 10 eggs in each carton. She fills 3 cartons. How many eggs are in the cartons? a. ⫹ ⫹ b. ⫻ ⫽ c. ⫻ ⫽ ⫽ Susan crochets 4 scarfs in a week. How many scarfs can she crochet in 3 weeks? a. ⫹ ⫹ b. ⫻ ⫽ c. ⫻ ⫽ ⫽ Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 123 123 2/12/09 3:47:47 PM Name: Date: Fill in the missing numbers. Example 3 groups of 2 3. 3 groups of 4 4. 2 groups of 7 7 groups of 5. 6 groups of 9 9 groups of groups of 3 Complete the related multiplication facts. Example 34 12 So, 4 3 6. 27 So, 7 2 7. 58 So, 8 5 8. 39 So, 9 3 9. 47 So, 7 4 10. 68 So, 8 6 124 12 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 2 groups of 3 Chapter 7 Lesson 7.1 MS_Reteach 3A_Ch07_123-140.indd 124 11/3/09 8:51:56 AM Name: Date: Multiply. Use mental math. Example 35 15 11. 43 12. 28 13. 63 14. 72 15. 44 16. 45 17. 92 18. 2 10 Fill in the missing numbers. © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Example 64 1 group of 4 5 groups of 4 19. 87 groups of 7 5 groups of 7 20. 79 groups of 9 5 groups of 9 21. 68 group of 8 5 groups of 8 22. 76 groups of 6 5 groups of 6 Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 125 125 2/12/09 3:47:48 PM Name: Date: Multiply. Example 73 21 7353 23. 15 21 2x3 6 84 8454 24. 67 6757 25. 98 9 8 10 8 26. 87 8 7 10 7 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 126 Chapter 7 Lesson 7.1 MS_Reteach 3A_Ch07_123-140.indd 126 11/2/09 11:29:21 AM Name: Date: Multiply. Example 64 24 27. 76 28. 86 29. 96 30. 77 31. 88 32. 69 33. 78 34. 68 Fill in the missing numbers. Example © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 4 tens 40 , 4 hundreds 35. 7 tens , 7 hundreds 36. 8 tens , 8 hundreds 37. 9 tens , 9 hundreds 400 Fill in the missing numbers. Example 30 3 tens, 300 3 hundreds 30 tens 38. 60 tens, 600 hundreds tens 39. 70 tens, 700 hundreds tens 40. 90 tens, 900 hundreds tens Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 127 127 2/12/09 3:47:49 PM Name: Date: Fill in the missing numbers. Example a. 4 3 tens 12 tens b. 4 3 hundreds 12 hundreds 120 1,200 4 30 120 a. 5 7 tens tens b. 5 7 hundreds 5 70 42. 5 700 a. 6 8 tens tens b. 6 8 hundreds 6 80 6 800 Multiply. Use mental math. 43. 7 30 44. 8 400 45. 4 900 46. 60 7 47. 800 7 48. 7 90 128 hundreds hundreds © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 41. 4 300 1,200 Chapter 7 Lesson 7.1 MS_Reteach 3A_Ch07_123-140.indd 128 11/2/09 11:29:40 AM Name: Date: Worksheet 2 Multiplying Without Regrouping Fill in the missing numbers. Example 3 2 3 9 6 Step 1 3 2 ones 6 ones Step 2 3 3 tens 9 tens 3 32 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 1. 4 3 2 9 tens 96 6 ones 96 is the product of 32 and 3. Step 1 2 ones ones Step 2 2 tens tens 2 43 tens ones 2. 2 3 3 Step 1 3 ones ones Step 2 3 tens tens 3 23 tens ones Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 129 129 11/2/09 11:30:00 AM Name: Date: Fill in the missing numbers. Step 1 2 3 ones 6 ones Step 2 2 4 tens 8 tens Step 3 2 2 hundreds 2 243 4 3. 3 3 2 3 hundreds 8 tens 4 6 hundreds ones 486 Step 1 3 ones ones Step 2 3 tens tens Step 3 3 hundreds 3 332 hundreds tens hundreds ones 4. 1 2 1 4 Step 1 4 one ones Step 2 4 tens tens Step 3 4 hundred 4 121 130 hundreds tens hundreds ones © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Example 2 4 3 2 4 8 6 Chapter 7 Lesson 7.2 MS_Reteach 3A_Ch07_123-140.indd 130 11/2/09 11:30:36 AM Name: Date: © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Multiply. 5. 4 4 ⫻ 2 6. 2 3 ⫻ 3 7. 1 2 ⫻ 4 8. 3 3 ⫻ 2 9. 2 3 2 ⫻ 2 10. 1 1 2 ⫻ 4 Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 131 131 11/3/09 9:48:33 AM Date: 11. 3 4 3 ⫻ 2 12. 2 2 1 ⫻ 3 13. 2 0 1 ⫻ 4 14. 4 2 4 ⫻ 2 132 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Name: Chapter 7 Lesson 7.2 MS_Reteach 3A_Ch07_123-140.indd 132 11/2/09 11:31:02 AM Name: Date: Worksheet 3 Multiplying Ones, Tens, and Hundreds with Regrouping Fill in the blanks. Example © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 13 ones ⫽ 1 ten 3 ones 1. 17 ones ⫽ 2. 15 ones ⫽ 1 5 3. 19 ones ⫽ 1 9 4. 12 tens ⫽ hundred tens 5. 16 tens ⫽ hundred tens 6. 14 tens ⫽ 1 4 7. 18 tens ⫽ 1 8 ten ones Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 133 133 2/12/09 3:47:51 PM Name: Date: Fill in the missing numbers. Step 1 3 57 6 4 4 7 Step 2 8. 3 2 3 1 ones tens 5 1 tens ones one 15 tens 2 tens 15 tens 17 17 tens 1 hundred 7 tens 1 7 hundred tens tens one 171 Step 1 4 ones Step 2 ten 4 tens tens tens tens 4 64 hundreds ones ones ten 134 21 tens hundreds tens tens ones © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Example 5 7 3 1 7 1 Chapter 7 Lesson 7.3 MS_Reteach 3A_Ch07_123-140.indd 134 11/6/09 4:06:22 PM Name: 9. Date: 3 6 5 Step 1 5 ones Step 2 5 36 tens 5 ones ones tens tens tens tens tens hundred hundred tens tens tens ones © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Multiply. 10. 6 7 4 11. 6 8 3 12. 7 4 5 13. 4 9 2 Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 135 135 11/2/09 11:31:59 AM Name: Date: Fill in the missing numbers. Step 1 3 3 ones 9 Step 2 3 6 tens 18 Step 3 1 3 263 7 14. 1 7 2 4 7 hundreds 6 6 hundreds hundreds hundreds 8 tens 9 ones 789 Step 1 4 ones ones Step 2 4 tens tens hundreds tens Step 3 4 hundred hundreds 4 172 136 tens hundreds hundred 1 tens 8 hundred 2 3 ones hundreds hundreds hundreds hundreds tens ones © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Example 2 6 3 3 7 8 9 Chapter 7 Lesson 7.3 MS_Reteach 3A_Ch07_123-140.indd 136 11/2/09 11:32:25 AM Name: 15. Date: 2 3 1 4 Step 1 4 one ones Step 2 4 tens tens Step 3 4 hundred hundreds hundred 4 231 hundreds tens hundreds hundreds hundreds tens ones © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 16. 1 4 1 5 Step 1 5 one ones Step 2 5 tens tens hundreds tens Step 3 5 hundred hundreds 5 141 hundreds hundreds hundreds hundreds tens ones Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 137 137 11/2/09 11:33:49 AM Name: 17. Date: 2 4 6 3 Step 1 3 ones Step 2 ten 3 ones ones tens ten Step 3 tens hundred 3 hundred 3 246 tens tens hundreds tens hundreds hundreds hundreds hundreds tens ones Multiply. 18. 4 9 4 2 19. 3 7 3 3 20. 2 6 2 4 21. 1 5 4 3 22. 4 4 8 2 23. 2 2 9 4 138 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Chapter 7 Lesson 7.3 MS_Reteach 3A_Ch07_123-140.indd 138 11/2/09 11:34:03 AM Name: Date: Solve. Example A bird has 2 legs. How many legs do 126 birds have in all? 126 ⫻ 2 ⫽ 252 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. 126 birds have 252 legs in all. 24. Fauzi has 4 books. Each book has 228 pages. How many pages are there in all? 25. There are 247 cars in a parking garage. How many wheels are there in the parking garage? Reteach 3A MS_Reteach 3A_Ch07_123-140.indd 139 139 2/17/09 3:21:07 PM Date: 26. A tailor sews 2 blouses a day. How many blouses can she sew in a year? A year has 365 days. 27. A box contains 120 paperclips. How many paperclips are there in 8 such boxes? 140 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii. Name: Chapter 7 Lesson 7.3 MS_Reteach 3A_Ch07_123-140.indd 140 11/2/09 11:34:17 AM
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