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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 713 · 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. 1.1.1 × 0.33 =
  2. 2.0.43 × 2.9 =
  3. 3.0.05 × 2.1 =
  4. 4.9.3 × 0.39 =
  5. 5.2.5 × 2.6 =
  6. 6.0.13 × 2.4 =
  7. 7.0.2 × 0.3 =
  8. 8.0.3 × 0.14 =
  9. 9.5.3 × 0.21 =
  10. 10.0.91 × 3.5 =
  11. 11.1.3 × 0.09 =
  12. 12.0.81 × 0.9 =
  13. 13.1.1 × 0.08 =
  14. 14.9.8 × 0.17 =
  15. 15.1.7 × 0.29 =
  16. 16.0.43 × 2.3 =
  17. 17.0.22 × 3.9 =
  18. 18.0.89 × 3.9 =
  19. 19.0.8 × 0.05 =
  20. 20.0.82 × 2.9 =
  21. 21.0.21 × 2.5 =
  22. 22.5.1 × 0.25 =
  23. 23.6.1 × 0.37 =
  24. 24.9.4 × 2.1 =
  25. 25.6.4 × 0.14 =
  26. 26.0.19 × 3.2 =
  27. 27.0.02 × 0.9 =
  28. 28.0.56 × 3.8 =
  29. 29.5.9 × 0.5 =
  30. 30.0.48 × 0.4 =
  31. 31.5.3 × 3.4 =
  32. 32.0.77 × 1.7 =
  33. 33.0.61 × 1.4 =
  34. 34.2.1 × 1.9 =
  35. 35.5.5 × 0.25 =
  36. 36.2.6 × 3.3 =
  37. 37.0.53 × 1.4 =
  38. 38.5.6 × 3.7 =
  39. 39.8.6 × 0.15 =
  40. 40.0.13 × 2.3 =

Answer key

  1. 0.363
  2. 1.247
  3. 0.105
  4. 3.627
  5. 6.5
  6. 0.312
  7. 0.06
  8. 0.042
  9. 1.113
  10. 3.185
  11. 0.117
  12. 0.729
  13. 0.088
  14. 1.666
  15. 0.493
  16. 0.989
  17. 0.858
  18. 3.471
  19. 0.04
  20. 2.378
  21. 0.525
  22. 1.275
  23. 2.257
  24. 19.74
  25. 0.896
  26. 0.608
  27. 0.018
  28. 2.128
  29. 2.95
  30. 0.192
  31. 18.02
  32. 1.309
  33. 0.854
  34. 3.99
  35. 1.375
  36. 8.58
  37. 0.742
  38. 20.72
  39. 1.29
  40. 0.299

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