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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 73 · 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. 1.2.9 × 0.04 =
  2. 2.0.78 × 0.4 =
  3. 3.0.34 × 2.9 =
  4. 4.4.6 × 2.1 =
  5. 5.0.16 × 0.2 =
  6. 6.0.92 × 0.5 =
  7. 7.1.1 × 2.5 =
  8. 8.1.4 × 0.09 =
  9. 9.2.6 × 0.13 =
  10. 10.2.2 × 3.8 =
  11. 11.7.4 × 0.17 =
  12. 12.2.3 × 0.21 =
  13. 13.0.3 × 2.2 =
  14. 14.0.96 × 1.7 =
  15. 15.2.2 × 0.21 =
  16. 16.9.3 × 0.6 =
  17. 17.0.54 × 3.6 =
  18. 18.2.5 × 0.02 =
  19. 19.6.3 × 0.14 =
  20. 20.7.1 × 1.1 =
  21. 21.0.39 × 1.4 =
  22. 22.5.5 × 0.6 =
  23. 23.4.9 × 0.23 =
  24. 24.0.28 × 0.2 =
  25. 25.5.7 × 0.09 =
  26. 26.0.97 × 2.8 =
  27. 27.3.2 × 1.1 =
  28. 28.0.58 × 2.3 =
  29. 29.0.37 × 2.3 =
  30. 30.0.25 × 2.3 =
  31. 31.0.14 × 0.6 =
  32. 32.8.5 × 0.26 =
  33. 33.0.28 × 2.2 =
  34. 34.0.02 × 3.4 =
  35. 35.0.69 × 3.4 =
  36. 36.1.2 × 0.7 =
  37. 37.0.61 × 2.3 =
  38. 38.3.5 × 1.3 =
  39. 39.0.4 × 0.36 =
  40. 40.8.1 × 0.29 =

Answer key

  1. 0.116
  2. 0.312
  3. 0.986
  4. 9.66
  5. 0.032
  6. 0.46
  7. 2.75
  8. 0.126
  9. 0.338
  10. 8.36
  11. 1.258
  12. 0.483
  13. 0.66
  14. 1.632
  15. 0.462
  16. 5.58
  17. 1.944
  18. 0.05
  19. 0.882
  20. 7.81
  21. 0.546
  22. 3.3
  23. 1.127
  24. 0.056
  25. 0.513
  26. 2.716
  27. 3.52
  28. 1.334
  29. 0.851
  30. 0.575
  31. 0.084
  32. 2.21
  33. 0.616
  34. 0.068
  35. 2.346
  36. 0.84
  37. 1.403
  38. 4.55
  39. 0.144
  40. 2.349

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