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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 762 · 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. 1.8.4 × 0.5 =
  2. 2.0.33 × 3.7 =
  3. 3.4.9 × 0.26 =
  4. 4.2.4 × 0.14 =
  5. 5.0.87 × 2.1 =
  6. 6.0.18 × 1.1 =
  7. 7.4.9 × 0.35 =
  8. 8.0.2 × 2.1 =
  9. 9.9.1 × 0.25 =
  10. 10.0.05 × 0.5 =
  11. 11.0.33 × 3.9 =
  12. 12.1.6 × 0.28 =
  13. 13.5.4 × 0.03 =
  14. 14.7.4 × 0.06 =
  15. 15.0.68 × 1.8 =
  16. 16.0.07 × 2.9 =
  17. 17.0.97 × 1.5 =
  18. 18.7.5 × 0.39 =
  19. 19.0.24 × 1.1 =
  20. 20.0.94 × 1.1 =
  21. 21.4.3 × 0.11 =
  22. 22.0.33 × 2.2 =
  23. 23.0.12 × 2.3 =
  24. 24.0.31 × 3.5 =
  25. 25.0.71 × 0.2 =
  26. 26.4.1 × 3.3 =
  27. 27.0.11 × 3.9 =
  28. 28.3.2 × 0.9 =
  29. 29.0.81 × 3.1 =
  30. 30.2.3 × 0.21 =
  31. 31.0.73 × 2.1 =
  32. 32.0.08 × 3.2 =
  33. 33.0.7 × 0.37 =
  34. 34.0.78 × 3.3 =
  35. 35.8.1 × 0.15 =
  36. 36.2.6 × 1.1 =
  37. 37.1.7 × 0.23 =
  38. 38.0.8 × 0.15 =
  39. 39.0.97 × 3.1 =
  40. 40.3.6 × 3.9 =

Answer key

  1. 4.2
  2. 1.221
  3. 1.274
  4. 0.336
  5. 1.827
  6. 0.198
  7. 1.715
  8. 0.42
  9. 2.275
  10. 0.025
  11. 1.287
  12. 0.448
  13. 0.162
  14. 0.444
  15. 1.224
  16. 0.203
  17. 1.455
  18. 2.925
  19. 0.264
  20. 1.034
  21. 0.473
  22. 0.726
  23. 0.276
  24. 1.085
  25. 0.142
  26. 13.53
  27. 0.429
  28. 2.88
  29. 2.511
  30. 0.483
  31. 1.533
  32. 0.256
  33. 0.259
  34. 2.574
  35. 1.215
  36. 2.86
  37. 0.391
  38. 0.12
  39. 3.007
  40. 14.04

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