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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 487 · 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. 1.0.89 × 1.2 =
  2. 2.6.3 × 0.05 =
  3. 3.3.5 × 0.6 =
  4. 4.6.3 × 0.3 =
  5. 5.7.4 × 0.33 =
  6. 6.0.59 × 2.1 =
  7. 7.8.7 × 1.8 =
  8. 8.0.67 × 3.1 =
  9. 9.9.5 × 0.03 =
  10. 10.4.2 × 0.8 =
  11. 11.1.2 × 0.3 =
  12. 12.0.31 × 3.5 =
  13. 13.0.11 × 3.1 =
  14. 14.0.02 × 0.5 =
  15. 15.1.1 × 0.4 =
  16. 16.0.8 × 0.5 =
  17. 17.0.28 × 0.8 =
  18. 18.0.02 × 3.9 =
  19. 19.0.77 × 3.4 =
  20. 20.4.8 × 0.12 =
  21. 21.2.4 × 2.1 =
  22. 22.0.08 × 3.1 =
  23. 23.0.4 × 0.12 =
  24. 24.0.49 × 3.8 =
  25. 25.4.3 × 1.1 =
  26. 26.2.7 × 0.23 =
  27. 27.0.21 × 0.8 =
  28. 28.0.22 × 1.1 =
  29. 29.0.35 × 1.8 =
  30. 30.0.25 × 2.9 =
  31. 31.0.09 × 3.6 =
  32. 32.1.6 × 2.5 =
  33. 33.0.42 × 2.7 =
  34. 34.0.08 × 3.6 =
  35. 35.0.13 × 0.3 =
  36. 36.0.35 × 2.8 =
  37. 37.2.9 × 0.21 =
  38. 38.0.31 × 2.6 =
  39. 39.0.27 × 2.1 =
  40. 40.0.73 × 2.1 =

Answer key

  1. 1.068
  2. 0.315
  3. 2.1
  4. 1.89
  5. 2.442
  6. 1.239
  7. 15.66
  8. 2.077
  9. 0.285
  10. 3.36
  11. 0.36
  12. 1.085
  13. 0.341
  14. 0.01
  15. 0.44
  16. 0.4
  17. 0.224
  18. 0.078
  19. 2.618
  20. 0.576
  21. 5.04
  22. 0.248
  23. 0.048
  24. 1.862
  25. 4.73
  26. 0.621
  27. 0.168
  28. 0.242
  29. 0.63
  30. 0.725
  31. 0.324
  32. 4
  33. 1.134
  34. 0.288
  35. 0.039
  36. 0.98
  37. 0.609
  38. 0.806
  39. 0.567
  40. 1.533

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