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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 154 · 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. 1.5.1 × 0.24 =
  2. 2.9.4 × 0.02 =
  3. 3.0.29 × 3.7 =
  4. 4.0.12 × 1.7 =
  5. 5.2.5 × 0.31 =
  6. 6.0.33 × 0.9 =
  7. 7.4.2 × 0.12 =
  8. 8.7.1 × 0.7 =
  9. 9.0.31 × 0.8 =
  10. 10.4.1 × 0.05 =
  11. 11.0.03 × 2.6 =
  12. 12.0.56 × 3.6 =
  13. 13.0.18 × 0.9 =
  14. 14.4.3 × 0.2 =
  15. 15.9.8 × 0.4 =
  16. 16.2.7 × 0.22 =
  17. 17.0.54 × 2.5 =
  18. 18.6.1 × 0.14 =
  19. 19.2.7 × 0.5 =
  20. 20.0.55 × 3.8 =
  21. 21.0.69 × 1.1 =
  22. 22.1.8 × 1.1 =
  23. 23.0.7 × 1.9 =
  24. 24.1.2 × 1.8 =
  25. 25.7.2 × 0.02 =
  26. 26.7.1 × 0.19 =
  27. 27.9.1 × 0.05 =
  28. 28.0.08 × 1.7 =
  29. 29.0.89 × 1.2 =
  30. 30.0.46 × 1.8 =
  31. 31.8.8 × 0.16 =
  32. 32.2.2 × 3.3 =
  33. 33.0.04 × 3.3 =
  34. 34.0.81 × 1.8 =
  35. 35.8.8 × 3.1 =
  36. 36.9.7 × 2.8 =
  37. 37.5.4 × 3.1 =
  38. 38.0.87 × 0.9 =
  39. 39.0.05 × 3.3 =
  40. 40.0.9 × 0.04 =

Answer key

  1. 1.224
  2. 0.188
  3. 1.073
  4. 0.204
  5. 0.775
  6. 0.297
  7. 0.504
  8. 4.97
  9. 0.248
  10. 0.205
  11. 0.078
  12. 2.016
  13. 0.162
  14. 0.86
  15. 3.92
  16. 0.594
  17. 1.35
  18. 0.854
  19. 1.35
  20. 2.09
  21. 0.759
  22. 1.98
  23. 1.33
  24. 2.16
  25. 0.144
  26. 1.349
  27. 0.455
  28. 0.136
  29. 1.068
  30. 0.828
  31. 1.408
  32. 7.26
  33. 0.132
  34. 1.458
  35. 27.28
  36. 27.16
  37. 16.74
  38. 0.783
  39. 0.165
  40. 0.036

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