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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 134 · 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. 1.4.9 × 1.1 =
  2. 2.0.11 × 3.7 =
  3. 3.0.77 × 0.3 =
  4. 4.0.9 × 0.03 =
  5. 5.0.61 × 2.8 =
  6. 6.1.8 × 0.22 =
  7. 7.2.6 × 3.3 =
  8. 8.1.4 × 1.4 =
  9. 9.0.16 × 3.3 =
  10. 10.5.8 × 2.3 =
  11. 11.1.7 × 0.29 =
  12. 12.2.2 × 0.19 =
  13. 13.0.14 × 2.9 =
  14. 14.5.6 × 0.39 =
  15. 15.1.5 × 0.03 =
  16. 16.0.41 × 1.9 =
  17. 17.6.6 × 1.7 =
  18. 18.0.11 × 3.3 =
  19. 19.8.1 × 0.5 =
  20. 20.6.5 × 3.3 =
  21. 21.0.72 × 2.6 =
  22. 22.0.9 × 0.11 =
  23. 23.0.47 × 1.3 =
  24. 24.1.5 × 1.9 =
  25. 25.1.4 × 0.22 =
  26. 26.0.3 × 0.31 =
  27. 27.0.18 × 0.2 =
  28. 28.3.2 × 0.3 =
  29. 29.4.9 × 1.4 =
  30. 30.0.41 × 3.4 =
  31. 31.0.15 × 0.2 =
  32. 32.1.4 × 0.09 =
  33. 33.6.9 × 3.4 =
  34. 34.0.8 × 0.38 =
  35. 35.0.33 × 2.5 =
  36. 36.0.36 × 1.2 =
  37. 37.1.1 × 3.1 =
  38. 38.0.78 × 2.1 =
  39. 39.0.4 × 1.3 =
  40. 40.0.98 × 2.3 =

Answer key

  1. 5.39
  2. 0.407
  3. 0.231
  4. 0.027
  5. 1.708
  6. 0.396
  7. 8.58
  8. 1.96
  9. 0.528
  10. 13.34
  11. 0.493
  12. 0.418
  13. 0.406
  14. 2.184
  15. 0.045
  16. 0.779
  17. 11.22
  18. 0.363
  19. 4.05
  20. 21.45
  21. 1.872
  22. 0.099
  23. 0.611
  24. 2.85
  25. 0.308
  26. 0.093
  27. 0.036
  28. 0.96
  29. 6.86
  30. 1.394
  31. 0.03
  32. 0.126
  33. 23.46
  34. 0.304
  35. 0.825
  36. 0.432
  37. 3.41
  38. 1.638
  39. 0.52
  40. 2.254

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