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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 202 · 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. 1.6.5 × 2.1 =
  2. 2.3.5 × 2.5 =
  3. 3.4.8 × 2.1 =
  4. 4.9.3 × 0.06 =
  5. 5.3.9 × 0.4 =
  6. 6.0.83 × 0.2 =
  7. 7.0.41 × 2.8 =
  8. 8.0.28 × 0.4 =
  9. 9.8.6 × 2.3 =
  10. 10.7.2 × 0.6 =
  11. 11.0.58 × 0.9 =
  12. 12.0.41 × 0.9 =
  13. 13.2.2 × 0.03 =
  14. 14.5.8 × 2.1 =
  15. 15.3.6 × 0.22 =
  16. 16.2.2 × 0.23 =
  17. 17.9.9 × 0.03 =
  18. 18.6.9 × 2.1 =
  19. 19.0.08 × 1.5 =
  20. 20.5.5 × 0.05 =
  21. 21.5.4 × 0.04 =
  22. 22.4.6 × 2.9 =
  23. 23.0.04 × 2.1 =
  24. 24.7.7 × 2.5 =
  25. 25.0.06 × 3.1 =
  26. 26.0.28 × 3.8 =
  27. 27.6.1 × 0.37 =
  28. 28.0.2 × 3.8 =
  29. 29.0.18 × 0.5 =
  30. 30.2.4 × 0.21 =
  31. 31.0.09 × 2.9 =
  32. 32.4.1 × 0.8 =
  33. 33.7.9 × 3.2 =
  34. 34.4.8 × 1.8 =
  35. 35.5.8 × 0.14 =
  36. 36.0.94 × 1.6 =
  37. 37.0.54 × 0.7 =
  38. 38.0.45 × 3.1 =
  39. 39.4.9 × 0.17 =
  40. 40.9.8 × 0.4 =

Answer key

  1. 13.65
  2. 8.75
  3. 10.08
  4. 0.558
  5. 1.56
  6. 0.166
  7. 1.148
  8. 0.112
  9. 19.78
  10. 4.32
  11. 0.522
  12. 0.369
  13. 0.066
  14. 12.18
  15. 0.792
  16. 0.506
  17. 0.297
  18. 14.49
  19. 0.12
  20. 0.275
  21. 0.216
  22. 13.34
  23. 0.084
  24. 19.25
  25. 0.186
  26. 1.064
  27. 2.257
  28. 0.76
  29. 0.09
  30. 0.504
  31. 0.261
  32. 3.28
  33. 25.28
  34. 8.64
  35. 0.812
  36. 1.504
  37. 0.378
  38. 1.395
  39. 0.833
  40. 3.92

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