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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 981 · 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. 1.6.2 × 0.29 =
  2. 2.5.8 × 2.8 =
  3. 3.4.3 × 1.5 =
  4. 4.4.1 × 2.8 =
  5. 5.1.9 × 0.3 =
  6. 6.9.1 × 0.06 =
  7. 7.0.68 × 0.4 =
  8. 8.8.6 × 0.39 =
  9. 9.2.3 × 0.02 =
  10. 10.0.5 × 0.3 =
  11. 11.4.4 × 0.33 =
  12. 12.2.9 × 2.7 =
  13. 13.0.66 × 0.9 =
  14. 14.6.5 × 0.23 =
  15. 15.0.68 × 0.3 =
  16. 16.4.4 × 1.1 =
  17. 17.8.8 × 0.38 =
  18. 18.8.2 × 0.07 =
  19. 19.0.15 × 2.2 =
  20. 20.0.17 × 0.5 =
  21. 21.0.33 × 0.5 =
  22. 22.3.1 × 3.3 =
  23. 23.4.8 × 3.3 =
  24. 24.0.29 × 3.1 =
  25. 25.2.5 × 1.3 =
  26. 26.0.35 × 3.5 =
  27. 27.0.19 × 1.2 =
  28. 28.0.83 × 0.9 =
  29. 29.7.4 × 2.4 =
  30. 30.7.9 × 0.21 =
  31. 31.3.8 × 0.39 =
  32. 32.0.17 × 2.4 =
  33. 33.0.75 × 2.7 =
  34. 34.0.89 × 0.2 =
  35. 35.0.32 × 1.7 =
  36. 36.0.53 × 2.1 =
  37. 37.0.72 × 2.4 =
  38. 38.6.1 × 0.15 =
  39. 39.0.69 × 1.2 =
  40. 40.4.4 × 1.5 =

Answer key

  1. 1.798
  2. 16.24
  3. 6.45
  4. 11.48
  5. 0.57
  6. 0.546
  7. 0.272
  8. 3.354
  9. 0.046
  10. 0.15
  11. 1.452
  12. 7.83
  13. 0.594
  14. 1.495
  15. 0.204
  16. 4.84
  17. 3.344
  18. 0.574
  19. 0.33
  20. 0.085
  21. 0.165
  22. 10.23
  23. 15.84
  24. 0.899
  25. 3.25
  26. 1.225
  27. 0.228
  28. 0.747
  29. 17.76
  30. 1.659
  31. 1.482
  32. 0.408
  33. 2.025
  34. 0.178
  35. 0.544
  36. 1.113
  37. 1.728
  38. 0.915
  39. 0.828
  40. 6.6

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