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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 519 · 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. 1.0.97 × 0.7 =
  2. 2.9.9 × 0.14 =
  3. 3.0.31 × 1.6 =
  4. 4.0.91 × 3.8 =
  5. 5.0.91 × 2.8 =
  6. 6.3.7 × 0.02 =
  7. 7.1.1 × 2.8 =
  8. 8.7.6 × 0.23 =
  9. 9.0.25 × 1.1 =
  10. 10.0.39 × 1.8 =
  11. 11.9.1 × 0.2 =
  12. 12.2.5 × 0.05 =
  13. 13.0.16 × 0.8 =
  14. 14.0.07 × 1.6 =
  15. 15.0.83 × 0.5 =
  16. 16.0.25 × 1.9 =
  17. 17.0.65 × 3.2 =
  18. 18.0.04 × 1.8 =
  19. 19.6.4 × 0.38 =
  20. 20.7.3 × 3.1 =
  21. 21.6.7 × 1.3 =
  22. 22.0.79 × 2.4 =
  23. 23.0.18 × 0.2 =
  24. 24.0.14 × 3.6 =
  25. 25.0.91 × 3.2 =
  26. 26.7.1 × 1.7 =
  27. 27.4.3 × 3.9 =
  28. 28.0.59 × 0.8 =
  29. 29.1.8 × 3.4 =
  30. 30.5.8 × 0.05 =
  31. 31.0.41 × 2.1 =
  32. 32.0.09 × 1.1 =
  33. 33.3.8 × 1.2 =
  34. 34.1.6 × 0.07 =
  35. 35.0.31 × 1.4 =
  36. 36.0.45 × 0.9 =
  37. 37.0.28 × 3.5 =
  38. 38.2.4 × 0.27 =
  39. 39.0.31 × 1.6 =
  40. 40.3.6 × 1.5 =

Answer key

  1. 0.679
  2. 1.386
  3. 0.496
  4. 3.458
  5. 2.548
  6. 0.074
  7. 3.08
  8. 1.748
  9. 0.275
  10. 0.702
  11. 1.82
  12. 0.125
  13. 0.128
  14. 0.112
  15. 0.415
  16. 0.475
  17. 2.08
  18. 0.072
  19. 2.432
  20. 22.63
  21. 8.71
  22. 1.896
  23. 0.036
  24. 0.504
  25. 2.912
  26. 12.07
  27. 16.77
  28. 0.472
  29. 6.12
  30. 0.29
  31. 0.861
  32. 0.099
  33. 4.56
  34. 0.112
  35. 0.434
  36. 0.405
  37. 0.98
  38. 0.648
  39. 0.496
  40. 5.4

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