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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 615 · 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. 1.0.62 × 0.4 =
  2. 2.0.94 × 2.1 =
  3. 3.0.8 × 2.1 =
  4. 4.1.4 × 0.21 =
  5. 5.1.7 × 3.7 =
  6. 6.0.51 × 3.7 =
  7. 7.0.9 × 0.29 =
  8. 8.0.44 × 1.2 =
  9. 9.0.03 × 3.8 =
  10. 10.0.59 × 1.4 =
  11. 11.7.8 × 0.33 =
  12. 12.5.7 × 0.2 =
  13. 13.1.5 × 2.9 =
  14. 14.7.4 × 0.29 =
  15. 15.0.8 × 0.08 =
  16. 16.0.35 × 2.5 =
  17. 17.4.5 × 0.25 =
  18. 18.9.5 × 1.1 =
  19. 19.8.4 × 0.19 =
  20. 20.0.77 × 3.6 =
  21. 21.6.2 × 0.08 =
  22. 22.5.7 × 0.2 =
  23. 23.0.91 × 0.6 =
  24. 24.6.4 × 3.8 =
  25. 25.0.24 × 0.3 =
  26. 26.0.21 × 1.7 =
  27. 27.0.41 × 3.7 =
  28. 28.4.7 × 2.7 =
  29. 29.5.4 × 0.04 =
  30. 30.5.4 × 1.6 =
  31. 31.0.22 × 0.4 =
  32. 32.0.6 × 1.4 =
  33. 33.6.9 × 0.03 =
  34. 34.2.2 × 3.5 =
  35. 35.7.2 × 0.13 =
  36. 36.4.1 × 0.7 =
  37. 37.0.43 × 0.7 =
  38. 38.0.7 × 1.4 =
  39. 39.9.5 × 1.5 =
  40. 40.0.14 × 3.3 =

Answer key

  1. 0.248
  2. 1.974
  3. 1.68
  4. 0.294
  5. 6.29
  6. 1.887
  7. 0.261
  8. 0.528
  9. 0.114
  10. 0.826
  11. 2.574
  12. 1.14
  13. 4.35
  14. 2.146
  15. 0.064
  16. 0.875
  17. 1.125
  18. 10.45
  19. 1.596
  20. 2.772
  21. 0.496
  22. 1.14
  23. 0.546
  24. 24.32
  25. 0.072
  26. 0.357
  27. 1.517
  28. 12.69
  29. 0.216
  30. 8.64
  31. 0.088
  32. 0.84
  33. 0.207
  34. 7.7
  35. 0.936
  36. 2.87
  37. 0.301
  38. 0.98
  39. 14.25
  40. 0.462

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