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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 953 · 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. 1.0.55 × 3.7 =
  2. 2.0.94 × 3.3 =
  3. 3.2.4 × 0.24 =
  4. 4.8.9 × 0.35 =
  5. 5.0.45 × 2.8 =
  6. 6.0.2 × 0.22 =
  7. 7.6.3 × 0.6 =
  8. 8.9.3 × 3.1 =
  9. 9.0.26 × 3.1 =
  10. 10.7.7 × 0.18 =
  11. 11.0.22 × 3.4 =
  12. 12.0.18 × 1.4 =
  13. 13.1.2 × 0.06 =
  14. 14.3.8 × 1.5 =
  15. 15.3.7 × 0.17 =
  16. 16.0.89 × 1.9 =
  17. 17.2.4 × 1.6 =
  18. 18.4.8 × 0.06 =
  19. 19.0.14 × 0.3 =
  20. 20.0.15 × 3.7 =
  21. 21.0.78 × 1.2 =
  22. 22.2.5 × 0.27 =
  23. 23.4.9 × 0.32 =
  24. 24.0.9 × 0.21 =
  25. 25.0.43 × 2.5 =
  26. 26.0.97 × 2.1 =
  27. 27.0.87 × 2.6 =
  28. 28.9.1 × 2.4 =
  29. 29.0.95 × 0.4 =
  30. 30.6.1 × 3.9 =
  31. 31.0.58 × 2.7 =
  32. 32.0.94 × 3.5 =
  33. 33.6.9 × 0.05 =
  34. 34.0.89 × 0.2 =
  35. 35.3.8 × 0.12 =
  36. 36.5.5 × 0.08 =
  37. 37.0.27 × 1.8 =
  38. 38.6.8 × 0.05 =
  39. 39.0.71 × 1.1 =
  40. 40.0.02 × 0.2 =

Answer key

  1. 2.035
  2. 3.102
  3. 0.576
  4. 3.115
  5. 1.26
  6. 0.044
  7. 3.78
  8. 28.83
  9. 0.806
  10. 1.386
  11. 0.748
  12. 0.252
  13. 0.072
  14. 5.7
  15. 0.629
  16. 1.691
  17. 3.84
  18. 0.288
  19. 0.042
  20. 0.555
  21. 0.936
  22. 0.675
  23. 1.568
  24. 0.189
  25. 1.075
  26. 2.037
  27. 2.262
  28. 21.84
  29. 0.38
  30. 23.79
  31. 1.566
  32. 3.29
  33. 0.345
  34. 0.178
  35. 0.456
  36. 0.44
  37. 0.486
  38. 0.34
  39. 0.781
  40. 0.004

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