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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 294 · 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. 1.0.48 × 2.9 =
  2. 2.6.1 × 0.21 =
  3. 3.0.84 × 0.4 =
  4. 4.5.9 × 1.1 =
  5. 5.0.33 × 2.6 =
  6. 6.6.9 × 0.7 =
  7. 7.6.3 × 0.09 =
  8. 8.0.17 × 0.5 =
  9. 9.1.5 × 0.36 =
  10. 10.1.2 × 3.7 =
  11. 11.3.4 × 0.08 =
  12. 12.5.1 × 0.36 =
  13. 13.0.03 × 0.6 =
  14. 14.4.1 × 3.3 =
  15. 15.9.8 × 0.3 =
  16. 16.6.5 × 0.2 =
  17. 17.0.05 × 0.5 =
  18. 18.0.19 × 1.5 =
  19. 19.7.9 × 0.4 =
  20. 20.0.43 × 1.8 =
  21. 21.0.98 × 3.3 =
  22. 22.5.7 × 0.11 =
  23. 23.5.7 × 2.4 =
  24. 24.8.5 × 3.6 =
  25. 25.3.4 × 0.8 =
  26. 26.8.3 × 0.32 =
  27. 27.0.35 × 0.4 =
  28. 28.7.2 × 0.17 =
  29. 29.5.3 × 1.1 =
  30. 30.0.4 × 2.8 =
  31. 31.0.96 × 0.8 =
  32. 32.1.9 × 0.4 =
  33. 33.3.7 × 2.6 =
  34. 34.0.34 × 1.5 =
  35. 35.9.4 × 0.23 =
  36. 36.0.81 × 0.5 =
  37. 37.4.1 × 2.6 =
  38. 38.0.41 × 1.6 =
  39. 39.1.1 × 1.8 =
  40. 40.6.1 × 0.15 =

Answer key

  1. 1.392
  2. 1.281
  3. 0.336
  4. 6.49
  5. 0.858
  6. 4.83
  7. 0.567
  8. 0.085
  9. 0.54
  10. 4.44
  11. 0.272
  12. 1.836
  13. 0.018
  14. 13.53
  15. 2.94
  16. 1.3
  17. 0.025
  18. 0.285
  19. 3.16
  20. 0.774
  21. 3.234
  22. 0.627
  23. 13.68
  24. 30.6
  25. 2.72
  26. 2.656
  27. 0.14
  28. 1.224
  29. 5.83
  30. 1.12
  31. 0.768
  32. 0.76
  33. 9.62
  34. 0.51
  35. 2.162
  36. 0.405
  37. 10.66
  38. 0.656
  39. 1.98
  40. 0.915

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