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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 435 · 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. 1.0.02 × 2.5 =
  2. 2.0.41 × 2.1 =
  3. 3.0.33 × 2.3 =
  4. 4.0.8 × 0.13 =
  5. 5.0.61 × 2.3 =
  6. 6.4.6 × 1.4 =
  7. 7.0.6 × 3.1 =
  8. 8.0.21 × 2.1 =
  9. 9.0.49 × 3.5 =
  10. 10.4.7 × 0.9 =
  11. 11.0.15 × 0.6 =
  12. 12.0.63 × 2.6 =
  13. 13.9.5 × 3.1 =
  14. 14.2.7 × 2.8 =
  15. 15.0.85 × 0.7 =
  16. 16.0.95 × 0.8 =
  17. 17.0.14 × 0.8 =
  18. 18.4.5 × 0.03 =
  19. 19.0.47 × 1.1 =
  20. 20.0.21 × 1.1 =
  21. 21.2.7 × 0.36 =
  22. 22.0.12 × 3.7 =
  23. 23.0.05 × 2.5 =
  24. 24.1.9 × 0.37 =
  25. 25.8.8 × 0.8 =
  26. 26.2.5 × 3.9 =
  27. 27.7.8 × 0.39 =
  28. 28.4.6 × 2.6 =
  29. 29.0.11 × 0.5 =
  30. 30.0.76 × 3.6 =
  31. 31.8.4 × 0.07 =
  32. 32.9.9 × 0.31 =
  33. 33.0.18 × 0.5 =
  34. 34.9.8 × 3.6 =
  35. 35.0.42 × 3.9 =
  36. 36.1.1 × 0.33 =
  37. 37.1.3 × 0.5 =
  38. 38.0.93 × 1.7 =
  39. 39.0.31 × 1.6 =
  40. 40.0.25 × 3.4 =

Answer key

  1. 0.05
  2. 0.861
  3. 0.759
  4. 0.104
  5. 1.403
  6. 6.44
  7. 1.86
  8. 0.441
  9. 1.715
  10. 4.23
  11. 0.09
  12. 1.638
  13. 29.45
  14. 7.56
  15. 0.595
  16. 0.76
  17. 0.112
  18. 0.135
  19. 0.517
  20. 0.231
  21. 0.972
  22. 0.444
  23. 0.125
  24. 0.703
  25. 7.04
  26. 9.75
  27. 3.042
  28. 11.96
  29. 0.055
  30. 2.736
  31. 0.588
  32. 3.069
  33. 0.09
  34. 35.28
  35. 1.638
  36. 0.363
  37. 0.65
  38. 1.581
  39. 0.496
  40. 0.85

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