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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 95 · 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. 1.0.46 × 1.3 =
  2. 2.1.6 × 0.03 =
  3. 3.0.31 × 1.7 =
  4. 4.0.89 × 2.1 =
  5. 5.7.1 × 2.9 =
  6. 6.2.9 × 2.1 =
  7. 7.9.1 × 2.4 =
  8. 8.5.9 × 0.11 =
  9. 9.0.04 × 0.2 =
  10. 10.0.9 × 0.9 =
  11. 11.1.9 × 0.15 =
  12. 12.0.11 × 2.3 =
  13. 13.7.4 × 1.1 =
  14. 14.0.28 × 3.6 =
  15. 15.8.5 × 0.7 =
  16. 16.0.35 × 1.7 =
  17. 17.5.7 × 0.08 =
  18. 18.1.1 × 0.29 =
  19. 19.3.6 × 0.21 =
  20. 20.9.2 × 0.24 =
  21. 21.3.8 × 0.19 =
  22. 22.4.1 × 0.39 =
  23. 23.0.93 × 2.1 =
  24. 24.1.8 × 0.5 =
  25. 25.0.36 × 0.5 =
  26. 26.0.13 × 1.9 =
  27. 27.0.5 × 1.6 =
  28. 28.0.99 × 1.6 =
  29. 29.0.54 × 1.1 =
  30. 30.2.2 × 3.6 =
  31. 31.0.9 × 0.24 =
  32. 32.5.5 × 0.36 =
  33. 33.0.86 × 3.7 =
  34. 34.9.9 × 3.3 =
  35. 35.0.16 × 0.6 =
  36. 36.9.3 × 0.34 =
  37. 37.3.1 × 0.38 =
  38. 38.3.8 × 0.9 =
  39. 39.0.6 × 0.9 =
  40. 40.0.99 × 3.4 =

Answer key

  1. 0.598
  2. 0.048
  3. 0.527
  4. 1.869
  5. 20.59
  6. 6.09
  7. 21.84
  8. 0.649
  9. 0.008
  10. 0.81
  11. 0.285
  12. 0.253
  13. 8.14
  14. 1.008
  15. 5.95
  16. 0.595
  17. 0.456
  18. 0.319
  19. 0.756
  20. 2.208
  21. 0.722
  22. 1.599
  23. 1.953
  24. 0.9
  25. 0.18
  26. 0.247
  27. 0.8
  28. 1.584
  29. 0.594
  30. 7.92
  31. 0.216
  32. 1.98
  33. 3.182
  34. 32.67
  35. 0.096
  36. 3.162
  37. 1.178
  38. 3.42
  39. 0.54
  40. 3.366

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