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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 352 · 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 × 0.39 =
  2. 2.2.2 × 1.2 =
  3. 3.2.5 × 0.02 =
  4. 4.0.37 × 2.2 =
  5. 5.0.77 × 3.2 =
  6. 6.0.55 × 1.2 =
  7. 7.0.35 × 3.5 =
  8. 8.2.1 × 3.5 =
  9. 9.0.39 × 3.1 =
  10. 10.2.4 × 0.7 =
  11. 11.0.06 × 2.1 =
  12. 12.5.1 × 0.29 =
  13. 13.0.33 × 2.6 =
  14. 14.0.37 × 2.8 =
  15. 15.6.2 × 3.3 =
  16. 16.3.4 × 3.1 =
  17. 17.1.9 × 0.32 =
  18. 18.0.29 × 0.4 =
  19. 19.0.61 × 1.6 =
  20. 20.0.15 × 1.5 =
  21. 21.6.8 × 3.1 =
  22. 22.7.3 × 2.3 =
  23. 23.6.5 × 0.5 =
  24. 24.0.7 × 0.15 =
  25. 25.7.3 × 2.8 =
  26. 26.0.98 × 3.1 =
  27. 27.0.64 × 2.2 =
  28. 28.0.63 × 2.9 =
  29. 29.8.4 × 1.2 =
  30. 30.0.53 × 2.1 =
  31. 31.6.6 × 3.1 =
  32. 32.0.2 × 2.8 =
  33. 33.0.31 × 1.5 =
  34. 34.2.2 × 0.3 =
  35. 35.0.44 × 1.5 =
  36. 36.0.58 × 1.2 =
  37. 37.0.31 × 1.3 =
  38. 38.0.41 × 3.2 =
  39. 39.0.44 × 0.2 =
  40. 40.0.43 × 1.5 =

Answer key

  1. 3.276
  2. 2.64
  3. 0.05
  4. 0.814
  5. 2.464
  6. 0.66
  7. 1.225
  8. 7.35
  9. 1.209
  10. 1.68
  11. 0.126
  12. 1.479
  13. 0.858
  14. 1.036
  15. 20.46
  16. 10.54
  17. 0.608
  18. 0.116
  19. 0.976
  20. 0.225
  21. 21.08
  22. 16.79
  23. 3.25
  24. 0.105
  25. 20.44
  26. 3.038
  27. 1.408
  28. 1.827
  29. 10.08
  30. 1.113
  31. 20.46
  32. 0.56
  33. 0.465
  34. 0.66
  35. 0.66
  36. 0.696
  37. 0.403
  38. 1.312
  39. 0.088
  40. 0.645

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