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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 231 · 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. 1.1.4 × 0.16 =
  2. 2.0.41 × 3.7 =
  3. 3.0.94 × 3.1 =
  4. 4.0.87 × 1.1 =
  5. 5.5.2 × 0.22 =
  6. 6.0.11 × 3.7 =
  7. 7.6.6 × 0.11 =
  8. 8.0.75 × 2.2 =
  9. 9.6.1 × 0.19 =
  10. 10.0.72 × 3.4 =
  11. 11.8.9 × 0.05 =
  12. 12.0.23 × 3.4 =
  13. 13.3.5 × 0.06 =
  14. 14.0.06 × 0.8 =
  15. 15.0.56 × 2.8 =
  16. 16.9.5 × 2.3 =
  17. 17.4.8 × 0.15 =
  18. 18.0.22 × 3.8 =
  19. 19.0.6 × 0.28 =
  20. 20.0.17 × 0.3 =
  21. 21.7.1 × 0.07 =
  22. 22.0.3 × 0.28 =
  23. 23.0.66 × 1.8 =
  24. 24.0.51 × 0.6 =
  25. 25.9.3 × 3.4 =
  26. 26.0.7 × 0.28 =
  27. 27.0.67 × 2.3 =
  28. 28.0.07 × 1.8 =
  29. 29.9.5 × 0.04 =
  30. 30.9.5 × 0.19 =
  31. 31.3.1 × 2.4 =
  32. 32.0.57 × 3.1 =
  33. 33.7.6 × 0.38 =
  34. 34.0.49 × 2.3 =
  35. 35.0.08 × 0.3 =
  36. 36.0.69 × 1.8 =
  37. 37.0.94 × 0.5 =
  38. 38.0.8 × 3.2 =
  39. 39.7.1 × 0.06 =
  40. 40.0.49 × 1.1 =

Answer key

  1. 0.224
  2. 1.517
  3. 2.914
  4. 0.957
  5. 1.144
  6. 0.407
  7. 0.726
  8. 1.65
  9. 1.159
  10. 2.448
  11. 0.445
  12. 0.782
  13. 0.21
  14. 0.048
  15. 1.568
  16. 21.85
  17. 0.72
  18. 0.836
  19. 0.168
  20. 0.051
  21. 0.497
  22. 0.084
  23. 1.188
  24. 0.306
  25. 31.62
  26. 0.196
  27. 1.541
  28. 0.126
  29. 0.38
  30. 1.805
  31. 7.44
  32. 1.767
  33. 2.888
  34. 1.127
  35. 0.024
  36. 1.242
  37. 0.47
  38. 2.56
  39. 0.426
  40. 0.539

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