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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 729 · 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. 1.7.6 × 0.12 =
  2. 2.4.5 × 0.12 =
  3. 3.0.95 × 1.3 =
  4. 4.0.41 × 2.3 =
  5. 5.6.6 × 1.5 =
  6. 6.0.17 × 1.7 =
  7. 7.5.9 × 0.21 =
  8. 8.0.93 × 1.4 =
  9. 9.4.1 × 0.4 =
  10. 10.0.25 × 1.3 =
  11. 11.2.5 × 1.1 =
  12. 12.4.7 × 0.8 =
  13. 13.2.2 × 0.08 =
  14. 14.1.2 × 0.09 =
  15. 15.0.84 × 0.5 =
  16. 16.0.88 × 3.3 =
  17. 17.0.31 × 3.2 =
  18. 18.2.5 × 1.4 =
  19. 19.2.7 × 1.6 =
  20. 20.0.79 × 3.3 =
  21. 21.1.7 × 1.9 =
  22. 22.0.74 × 0.3 =
  23. 23.0.49 × 0.8 =
  24. 24.1.3 × 2.3 =
  25. 25.0.17 × 1.9 =
  26. 26.7.3 × 3.5 =
  27. 27.0.19 × 0.6 =
  28. 28.0.09 × 0.8 =
  29. 29.3.1 × 3.1 =
  30. 30.7.1 × 0.25 =
  31. 31.7.1 × 0.23 =
  32. 32.9.4 × 0.08 =
  33. 33.0.71 × 1.9 =
  34. 34.0.32 × 1.2 =
  35. 35.0.07 × 0.7 =
  36. 36.0.04 × 3.6 =
  37. 37.0.74 × 2.1 =
  38. 38.2.5 × 1.1 =
  39. 39.0.97 × 0.5 =
  40. 40.0.12 × 0.2 =

Answer key

  1. 0.912
  2. 0.54
  3. 1.235
  4. 0.943
  5. 9.9
  6. 0.289
  7. 1.239
  8. 1.302
  9. 1.64
  10. 0.325
  11. 2.75
  12. 3.76
  13. 0.176
  14. 0.108
  15. 0.42
  16. 2.904
  17. 0.992
  18. 3.5
  19. 4.32
  20. 2.607
  21. 3.23
  22. 0.222
  23. 0.392
  24. 2.99
  25. 0.323
  26. 25.55
  27. 0.114
  28. 0.072
  29. 9.61
  30. 1.775
  31. 1.633
  32. 0.752
  33. 1.349
  34. 0.384
  35. 0.049
  36. 0.144
  37. 1.554
  38. 2.75
  39. 0.485
  40. 0.024

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