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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 494 · 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. 1.0.84 × 1.9 =
  2. 2.0.61 × 0.4 =
  3. 3.3.2 × 0.05 =
  4. 4.3.9 × 0.39 =
  5. 5.7.4 × 0.35 =
  6. 6.8.8 × 0.11 =
  7. 7.1.1 × 0.31 =
  8. 8.0.07 × 2.2 =
  9. 9.8.9 × 0.25 =
  10. 10.0.17 × 1.1 =
  11. 11.0.41 × 3.6 =
  12. 12.5.1 × 0.31 =
  13. 13.7.5 × 1.7 =
  14. 14.0.51 × 1.2 =
  15. 15.8.4 × 2.3 =
  16. 16.1.1 × 0.11 =
  17. 17.0.13 × 1.3 =
  18. 18.2.3 × 0.15 =
  19. 19.1.1 × 0.11 =
  20. 20.1.6 × 2.7 =
  21. 21.0.87 × 1.2 =
  22. 22.6.6 × 0.11 =
  23. 23.0.46 × 2.3 =
  24. 24.6.5 × 0.21 =
  25. 25.4.1 × 1.7 =
  26. 26.5.1 × 0.9 =
  27. 27.6.2 × 0.8 =
  28. 28.4.4 × 2.6 =
  29. 29.0.2 × 0.34 =
  30. 30.6.1 × 0.9 =
  31. 31.0.91 × 0.9 =
  32. 32.0.36 × 0.8 =
  33. 33.1.1 × 0.33 =
  34. 34.8.5 × 1.1 =
  35. 35.7.6 × 2.2 =
  36. 36.0.64 × 3.6 =
  37. 37.0.22 × 0.6 =
  38. 38.3.3 × 1.4 =
  39. 39.9.4 × 0.12 =
  40. 40.0.48 × 0.5 =

Answer key

  1. 1.596
  2. 0.244
  3. 0.16
  4. 1.521
  5. 2.59
  6. 0.968
  7. 0.341
  8. 0.154
  9. 2.225
  10. 0.187
  11. 1.476
  12. 1.581
  13. 12.75
  14. 0.612
  15. 19.32
  16. 0.121
  17. 0.169
  18. 0.345
  19. 0.121
  20. 4.32
  21. 1.044
  22. 0.726
  23. 1.058
  24. 1.365
  25. 6.97
  26. 4.59
  27. 4.96
  28. 11.44
  29. 0.068
  30. 5.49
  31. 0.819
  32. 0.288
  33. 0.363
  34. 9.35
  35. 16.72
  36. 2.304
  37. 0.132
  38. 4.62
  39. 1.128
  40. 0.24

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