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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 373 · 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. 1.0.09 × 3.3 =
  2. 2.4.8 × 3.1 =
  3. 3.0.8 × 0.05 =
  4. 4.0.51 × 3.2 =
  5. 5.6.3 × 0.9 =
  6. 6.0.89 × 2.2 =
  7. 7.8.2 × 2.9 =
  8. 8.5.7 × 0.12 =
  9. 9.0.9 × 0.37 =
  10. 10.0.3 × 0.6 =
  11. 11.0.43 × 0.9 =
  12. 12.0.94 × 0.8 =
  13. 13.0.32 × 0.9 =
  14. 14.0.33 × 2.4 =
  15. 15.0.44 × 2.1 =
  16. 16.0.15 × 2.8 =
  17. 17.0.83 × 0.3 =
  18. 18.0.95 × 3.2 =
  19. 19.1.4 × 0.3 =
  20. 20.0.67 × 3.6 =
  21. 21.0.38 × 1.1 =
  22. 22.0.75 × 2.6 =
  23. 23.0.84 × 2.1 =
  24. 24.0.25 × 3.6 =
  25. 25.9.7 × 0.6 =
  26. 26.3.1 × 2.3 =
  27. 27.0.55 × 0.2 =
  28. 28.0.07 × 1.7 =
  29. 29.2.4 × 2.9 =
  30. 30.0.29 × 0.4 =
  31. 31.0.45 × 3.5 =
  32. 32.4.4 × 0.13 =
  33. 33.9.4 × 0.02 =
  34. 34.6.5 × 2.7 =
  35. 35.0.07 × 0.6 =
  36. 36.7.2 × 0.21 =
  37. 37.7.2 × 0.09 =
  38. 38.0.11 × 1.7 =
  39. 39.0.46 × 1.9 =
  40. 40.0.52 × 0.5 =

Answer key

  1. 0.297
  2. 14.88
  3. 0.04
  4. 1.632
  5. 5.67
  6. 1.958
  7. 23.78
  8. 0.684
  9. 0.333
  10. 0.18
  11. 0.387
  12. 0.752
  13. 0.288
  14. 0.792
  15. 0.924
  16. 0.42
  17. 0.249
  18. 3.04
  19. 0.42
  20. 2.412
  21. 0.418
  22. 1.95
  23. 1.764
  24. 0.9
  25. 5.82
  26. 7.13
  27. 0.11
  28. 0.119
  29. 6.96
  30. 0.116
  31. 1.575
  32. 0.572
  33. 0.188
  34. 17.55
  35. 0.042
  36. 1.512
  37. 0.648
  38. 0.187
  39. 0.874
  40. 0.26

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