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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 34 · 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. 1.1.9 × 0.34 =
  2. 2.5.5 × 0.06 =
  3. 3.0.61 × 2.4 =
  4. 4.0.89 × 1.1 =
  5. 5.1.5 × 0.29 =
  6. 6.0.54 × 3.2 =
  7. 7.1.3 × 0.05 =
  8. 8.0.97 × 0.4 =
  9. 9.0.55 × 0.4 =
  10. 10.0.98 × 1.1 =
  11. 11.2.4 × 0.12 =
  12. 12.1.5 × 3.3 =
  13. 13.4.8 × 0.3 =
  14. 14.0.91 × 1.1 =
  15. 15.0.16 × 1.1 =
  16. 16.4.5 × 3.3 =
  17. 17.8.7 × 2.1 =
  18. 18.2.8 × 0.5 =
  19. 19.4.7 × 0.3 =
  20. 20.1.8 × 3.8 =
  21. 21.2.8 × 0.28 =
  22. 22.1.9 × 3.8 =
  23. 23.7.8 × 0.21 =
  24. 24.0.78 × 1.1 =
  25. 25.6.6 × 1.5 =
  26. 26.0.41 × 1.7 =
  27. 27.5.8 × 1.8 =
  28. 28.0.16 × 2.9 =
  29. 29.2.5 × 0.7 =
  30. 30.8.9 × 0.31 =
  31. 31.0.95 × 2.5 =
  32. 32.4.8 × 0.33 =
  33. 33.0.38 × 3.1 =
  34. 34.0.12 × 2.2 =
  35. 35.0.34 × 0.9 =
  36. 36.0.91 × 2.5 =
  37. 37.0.07 × 1.9 =
  38. 38.5.9 × 2.3 =
  39. 39.2.5 × 0.11 =
  40. 40.9.7 × 2.4 =

Answer key

  1. 0.646
  2. 0.33
  3. 1.464
  4. 0.979
  5. 0.435
  6. 1.728
  7. 0.065
  8. 0.388
  9. 0.22
  10. 1.078
  11. 0.288
  12. 4.95
  13. 1.44
  14. 1.001
  15. 0.176
  16. 14.85
  17. 18.27
  18. 1.4
  19. 1.41
  20. 6.84
  21. 0.784
  22. 7.22
  23. 1.638
  24. 0.858
  25. 9.9
  26. 0.697
  27. 10.44
  28. 0.464
  29. 1.75
  30. 2.759
  31. 2.375
  32. 1.584
  33. 1.178
  34. 0.264
  35. 0.306
  36. 2.275
  37. 0.133
  38. 13.57
  39. 0.275
  40. 23.28

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