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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 950 · 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. 1.0.97 × 1.3 =
  2. 2.8.4 × 3.5 =
  3. 3.4.5 × 0.4 =
  4. 4.0.76 × 3.5 =
  5. 5.3.3 × 2.6 =
  6. 6.3.4 × 0.02 =
  7. 7.0.45 × 1.5 =
  8. 8.0.32 × 3.8 =
  9. 9.8.2 × 0.11 =
  10. 10.6.3 × 1.4 =
  11. 11.6.8 × 0.27 =
  12. 12.0.69 × 2.4 =
  13. 13.0.79 × 2.1 =
  14. 14.0.27 × 1.2 =
  15. 15.0.51 × 2.6 =
  16. 16.0.42 × 2.1 =
  17. 17.2.1 × 0.2 =
  18. 18.8.4 × 0.6 =
  19. 19.0.09 × 1.5 =
  20. 20.0.27 × 0.8 =
  21. 21.0.57 × 1.6 =
  22. 22.0.31 × 1.5 =
  23. 23.0.5 × 2.2 =
  24. 24.2.9 × 1.6 =
  25. 25.9.1 × 0.05 =
  26. 26.0.99 × 2.1 =
  27. 27.0.59 × 0.2 =
  28. 28.0.09 × 3.3 =
  29. 29.0.61 × 2.2 =
  30. 30.0.52 × 1.5 =
  31. 31.3.9 × 0.22 =
  32. 32.3.7 × 0.6 =
  33. 33.0.59 × 2.7 =
  34. 34.0.08 × 2.5 =
  35. 35.0.96 × 0.2 =
  36. 36.2.9 × 0.31 =
  37. 37.2.9 × 0.23 =
  38. 38.8.8 × 0.08 =
  39. 39.8.6 × 3.1 =
  40. 40.9.3 × 0.12 =

Answer key

  1. 1.261
  2. 29.4
  3. 1.8
  4. 2.66
  5. 8.58
  6. 0.068
  7. 0.675
  8. 1.216
  9. 0.902
  10. 8.82
  11. 1.836
  12. 1.656
  13. 1.659
  14. 0.324
  15. 1.326
  16. 0.882
  17. 0.42
  18. 5.04
  19. 0.135
  20. 0.216
  21. 0.912
  22. 0.465
  23. 1.1
  24. 4.64
  25. 0.455
  26. 2.079
  27. 0.118
  28. 0.297
  29. 1.342
  30. 0.78
  31. 0.858
  32. 2.22
  33. 1.593
  34. 0.2
  35. 0.192
  36. 0.899
  37. 0.667
  38. 0.704
  39. 26.66
  40. 1.116

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