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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 552 · 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. 1.8.4 × 0.08 =
  2. 2.0.17 × 0.9 =
  3. 3.0.18 × 2.6 =
  4. 4.0.16 × 1.4 =
  5. 5.0.38 × 3.9 =
  6. 6.0.71 × 2.8 =
  7. 7.6.1 × 0.7 =
  8. 8.0.24 × 3.3 =
  9. 9.7.1 × 0.05 =
  10. 10.1.1 × 0.8 =
  11. 11.0.85 × 0.9 =
  12. 12.0.7 × 0.31 =
  13. 13.0.16 × 3.1 =
  14. 14.6.8 × 0.31 =
  15. 15.8.1 × 0.38 =
  16. 16.0.55 × 3.4 =
  17. 17.7.9 × 0.27 =
  18. 18.1.8 × 0.9 =
  19. 19.4.4 × 0.4 =
  20. 20.0.53 × 3.5 =
  21. 21.0.62 × 0.6 =
  22. 22.1.9 × 0.32 =
  23. 23.4.5 × 3.9 =
  24. 24.0.35 × 1.5 =
  25. 25.3.2 × 0.06 =
  26. 26.0.64 × 0.5 =
  27. 27.0.84 × 3.3 =
  28. 28.4.8 × 0.05 =
  29. 29.0.11 × 3.8 =
  30. 30.0.18 × 1.8 =
  31. 31.0.71 × 0.8 =
  32. 32.0.85 × 0.8 =
  33. 33.5.9 × 1.1 =
  34. 34.0.58 × 3.7 =
  35. 35.7.2 × 3.1 =
  36. 36.2.2 × 0.36 =
  37. 37.8.3 × 0.07 =
  38. 38.0.3 × 0.02 =
  39. 39.0.94 × 2.8 =
  40. 40.7.6 × 3.1 =

Answer key

  1. 0.672
  2. 0.153
  3. 0.468
  4. 0.224
  5. 1.482
  6. 1.988
  7. 4.27
  8. 0.792
  9. 0.355
  10. 0.88
  11. 0.765
  12. 0.217
  13. 0.496
  14. 2.108
  15. 3.078
  16. 1.87
  17. 2.133
  18. 1.62
  19. 1.76
  20. 1.855
  21. 0.372
  22. 0.608
  23. 17.55
  24. 0.525
  25. 0.192
  26. 0.32
  27. 2.772
  28. 0.24
  29. 0.418
  30. 0.324
  31. 0.568
  32. 0.68
  33. 6.49
  34. 2.146
  35. 22.32
  36. 0.792
  37. 0.581
  38. 0.006
  39. 2.632
  40. 23.56

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