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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 872 · 40 questions
TalentJR

The fast method (Count the places): Forget the points and multiply the whole numbers: 2.5 × 1.4 → 25 × 14 = 350. Count the decimal places in both numbers: 1 + 1 = 2. Put the point that many places from the right: 3.50 — then drop the 0 at the end: 3.5.

NameDateTime takenScore ___ / 40
  1. 1.0.84 × 0.3 =
  2. 2.0.28 × 0.8 =
  3. 3.2.2 × 0.13 =
  4. 4.0.34 × 2.1 =
  5. 5.1.1 × 0.11 =
  6. 6.0.61 × 0.8 =
  7. 7.1.1 × 0.5 =
  8. 8.0.83 × 1.6 =
  9. 9.0.54 × 3.4 =
  10. 10.2.2 × 0.25 =
  11. 11.0.12 × 3.3 =
  12. 12.1.3 × 3.1 =
  13. 13.0.54 × 2.7 =
  14. 14.6.2 × 0.38 =
  15. 15.0.81 × 1.2 =
  16. 16.0.4 × 0.31 =
  17. 17.2.1 × 3.7 =
  18. 18.0.89 × 3.3 =
  19. 19.0.18 × 1.5 =
  20. 20.2.6 × 3.8 =
  21. 21.0.38 × 1.9 =
  22. 22.4.6 × 0.18 =
  23. 23.0.98 × 1.1 =
  24. 24.4.1 × 2.2 =
  25. 25.1.1 × 0.15 =
  26. 26.4.1 × 1.7 =
  27. 27.2.6 × 0.2 =
  28. 28.0.24 × 2.2 =
  29. 29.5.1 × 3.5 =
  30. 30.3.8 × 1.7 =
  31. 31.1.5 × 2.7 =
  32. 32.9.9 × 0.39 =
  33. 33.0.54 × 3.6 =
  34. 34.0.16 × 0.5 =
  35. 35.0.21 × 1.1 =
  36. 36.0.85 × 2.8 =
  37. 37.7.5 × 0.38 =
  38. 38.4.6 × 0.11 =
  39. 39.0.68 × 0.6 =
  40. 40.0.89 × 3.5 =

Answer key

  1. 0.252
  2. 0.224
  3. 0.286
  4. 0.714
  5. 0.121
  6. 0.488
  7. 0.55
  8. 1.328
  9. 1.836
  10. 0.55
  11. 0.396
  12. 4.03
  13. 1.458
  14. 2.356
  15. 0.972
  16. 0.124
  17. 7.77
  18. 2.937
  19. 0.27
  20. 9.88
  21. 0.722
  22. 0.828
  23. 1.078
  24. 9.02
  25. 0.165
  26. 6.97
  27. 0.52
  28. 0.528
  29. 17.85
  30. 6.46
  31. 4.05
  32. 3.861
  33. 1.944
  34. 0.08
  35. 0.231
  36. 2.38
  37. 2.85
  38. 0.506
  39. 0.408
  40. 3.115

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