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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 585 · 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. 1.0.27 × 3.3 =
  2. 2.0.97 × 1.1 =
  3. 3.0.87 × 1.1 =
  4. 4.0.86 × 3.5 =
  5. 5.7.4 × 0.33 =
  6. 6.0.54 × 0.9 =
  7. 7.0.53 × 3.6 =
  8. 8.5.1 × 0.07 =
  9. 9.0.96 × 1.8 =
  10. 10.9.4 × 0.25 =
  11. 11.0.81 × 0.7 =
  12. 12.3.3 × 0.16 =
  13. 13.0.38 × 3.7 =
  14. 14.0.35 × 2.1 =
  15. 15.0.24 × 1.2 =
  16. 16.9.2 × 0.18 =
  17. 17.7.4 × 0.8 =
  18. 18.0.77 × 0.8 =
  19. 19.0.32 × 0.2 =
  20. 20.0.57 × 2.5 =
  21. 21.0.2 × 0.12 =
  22. 22.0.8 × 2.7 =
  23. 23.0.09 × 0.2 =
  24. 24.5.9 × 0.2 =
  25. 25.4.2 × 0.16 =
  26. 26.0.5 × 0.31 =
  27. 27.4.1 × 0.28 =
  28. 28.0.32 × 3.5 =
  29. 29.0.33 × 0.3 =
  30. 30.7.5 × 2.8 =
  31. 31.7.1 × 3.2 =
  32. 32.0.58 × 1.6 =
  33. 33.3.5 × 3.7 =
  34. 34.0.85 × 1.4 =
  35. 35.9.7 × 2.8 =
  36. 36.0.12 × 1.2 =
  37. 37.0.61 × 0.9 =
  38. 38.0.33 × 1.3 =
  39. 39.6.2 × 0.2 =
  40. 40.0.6 × 0.32 =

Answer key

  1. 0.891
  2. 1.067
  3. 0.957
  4. 3.01
  5. 2.442
  6. 0.486
  7. 1.908
  8. 0.357
  9. 1.728
  10. 2.35
  11. 0.567
  12. 0.528
  13. 1.406
  14. 0.735
  15. 0.288
  16. 1.656
  17. 5.92
  18. 0.616
  19. 0.064
  20. 1.425
  21. 0.024
  22. 2.16
  23. 0.018
  24. 1.18
  25. 0.672
  26. 0.155
  27. 1.148
  28. 1.12
  29. 0.099
  30. 21
  31. 22.72
  32. 0.928
  33. 12.95
  34. 1.19
  35. 27.16
  36. 0.144
  37. 0.549
  38. 0.429
  39. 1.24
  40. 0.192

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