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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 261 · 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. 1.0.32 × 2.9 =
  2. 2.0.81 × 3.3 =
  3. 3.1.1 × 3.8 =
  4. 4.1.1 × 3.4 =
  5. 5.0.84 × 1.4 =
  6. 6.0.15 × 1.7 =
  7. 7.5.3 × 0.24 =
  8. 8.0.13 × 0.5 =
  9. 9.9.7 × 0.17 =
  10. 10.0.92 × 1.7 =
  11. 11.0.98 × 2.3 =
  12. 12.0.89 × 1.1 =
  13. 13.0.62 × 1.7 =
  14. 14.0.95 × 0.2 =
  15. 15.0.06 × 0.8 =
  16. 16.8.7 × 0.28 =
  17. 17.1.3 × 0.21 =
  18. 18.0.45 × 1.1 =
  19. 19.8.2 × 0.13 =
  20. 20.9.3 × 0.31 =
  21. 21.7.5 × 1.1 =
  22. 22.9.9 × 0.31 =
  23. 23.0.13 × 1.1 =
  24. 24.8.9 × 0.12 =
  25. 25.1.2 × 0.13 =
  26. 26.0.78 × 1.1 =
  27. 27.0.24 × 3.9 =
  28. 28.0.82 × 3.1 =
  29. 29.0.6 × 2.3 =
  30. 30.8.2 × 0.6 =
  31. 31.5.1 × 1.2 =
  32. 32.5.3 × 0.6 =
  33. 33.0.99 × 2.6 =
  34. 34.0.26 × 2.5 =
  35. 35.0.18 × 1.2 =
  36. 36.2.8 × 1.8 =
  37. 37.0.68 × 0.8 =
  38. 38.3.7 × 3.6 =
  39. 39.2.8 × 3.2 =
  40. 40.0.11 × 1.8 =

Answer key

  1. 0.928
  2. 2.673
  3. 4.18
  4. 3.74
  5. 1.176
  6. 0.255
  7. 1.272
  8. 0.065
  9. 1.649
  10. 1.564
  11. 2.254
  12. 0.979
  13. 1.054
  14. 0.19
  15. 0.048
  16. 2.436
  17. 0.273
  18. 0.495
  19. 1.066
  20. 2.883
  21. 8.25
  22. 3.069
  23. 0.143
  24. 1.068
  25. 0.156
  26. 0.858
  27. 0.936
  28. 2.542
  29. 1.38
  30. 4.92
  31. 6.12
  32. 3.18
  33. 2.574
  34. 0.65
  35. 0.216
  36. 5.04
  37. 0.544
  38. 13.32
  39. 8.96
  40. 0.198

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