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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 936 · 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. 1.0.47 × 0.5 =
  2. 2.0.03 × 2.8 =
  3. 3.1.1 × 1.1 =
  4. 4.0.87 × 0.9 =
  5. 5.2.3 × 3.3 =
  6. 6.0.6 × 0.9 =
  7. 7.0.48 × 2.2 =
  8. 8.0.12 × 3.9 =
  9. 9.1.2 × 0.6 =
  10. 10.0.76 × 3.5 =
  11. 11.1.3 × 2.2 =
  12. 12.2.1 × 0.31 =
  13. 13.0.84 × 2.5 =
  14. 14.3.6 × 3.8 =
  15. 15.0.58 × 3.4 =
  16. 16.0.52 × 1.1 =
  17. 17.0.49 × 1.1 =
  18. 18.0.59 × 1.7 =
  19. 19.5.2 × 3.1 =
  20. 20.4.2 × 3.9 =
  21. 21.2.1 × 0.16 =
  22. 22.6.9 × 0.04 =
  23. 23.0.05 × 0.9 =
  24. 24.0.94 × 2.2 =
  25. 25.0.25 × 0.2 =
  26. 26.0.9 × 0.39 =
  27. 27.5.9 × 0.35 =
  28. 28.4.6 × 0.38 =
  29. 29.0.06 × 2.8 =
  30. 30.0.72 × 3.4 =
  31. 31.0.38 × 1.6 =
  32. 32.8.1 × 0.09 =
  33. 33.0.27 × 0.3 =
  34. 34.0.9 × 0.13 =
  35. 35.0.94 × 0.2 =
  36. 36.0.7 × 0.07 =
  37. 37.3.4 × 0.7 =
  38. 38.3.6 × 0.05 =
  39. 39.2.3 × 0.2 =
  40. 40.0.54 × 2.1 =

Answer key

  1. 0.235
  2. 0.084
  3. 1.21
  4. 0.783
  5. 7.59
  6. 0.54
  7. 1.056
  8. 0.468
  9. 0.72
  10. 2.66
  11. 2.86
  12. 0.651
  13. 2.1
  14. 13.68
  15. 1.972
  16. 0.572
  17. 0.539
  18. 1.003
  19. 16.12
  20. 16.38
  21. 0.336
  22. 0.276
  23. 0.045
  24. 2.068
  25. 0.05
  26. 0.351
  27. 2.065
  28. 1.748
  29. 0.168
  30. 2.448
  31. 0.608
  32. 0.729
  33. 0.081
  34. 0.117
  35. 0.188
  36. 0.049
  37. 2.38
  38. 0.18
  39. 0.46
  40. 1.134

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