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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 974 · 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. 1.0.03 × 0.7 =
  2. 2.0.04 × 2.5 =
  3. 3.6.7 × 0.03 =
  4. 4.8.4 × 0.12 =
  5. 5.0.24 × 3.6 =
  6. 6.4.1 × 0.32 =
  7. 7.7.8 × 0.06 =
  8. 8.9.1 × 3.2 =
  9. 9.0.8 × 0.25 =
  10. 10.0.85 × 3.4 =
  11. 11.0.57 × 0.2 =
  12. 12.6.4 × 0.05 =
  13. 13.0.24 × 3.8 =
  14. 14.6.1 × 1.2 =
  15. 15.2.9 × 0.21 =
  16. 16.3.5 × 1.8 =
  17. 17.0.81 × 3.6 =
  18. 18.0.85 × 2.3 =
  19. 19.9.1 × 1.2 =
  20. 20.0.16 × 1.7 =
  21. 21.8.4 × 0.3 =
  22. 22.6.3 × 0.5 =
  23. 23.7.2 × 0.3 =
  24. 24.0.29 × 2.6 =
  25. 25.0.24 × 1.6 =
  26. 26.0.67 × 0.4 =
  27. 27.7.5 × 1.9 =
  28. 28.6.1 × 0.37 =
  29. 29.0.27 × 1.3 =
  30. 30.0.08 × 0.3 =
  31. 31.1.4 × 0.4 =
  32. 32.0.27 × 3.4 =
  33. 33.0.4 × 0.16 =
  34. 34.0.73 × 1.1 =
  35. 35.2.6 × 0.26 =
  36. 36.4.1 × 1.1 =
  37. 37.3.6 × 0.7 =
  38. 38.0.15 × 3.2 =
  39. 39.0.03 × 1.3 =
  40. 40.1.4 × 0.06 =

Answer key

  1. 0.021
  2. 0.1
  3. 0.201
  4. 1.008
  5. 0.864
  6. 1.312
  7. 0.468
  8. 29.12
  9. 0.2
  10. 2.89
  11. 0.114
  12. 0.32
  13. 0.912
  14. 7.32
  15. 0.609
  16. 6.3
  17. 2.916
  18. 1.955
  19. 10.92
  20. 0.272
  21. 2.52
  22. 3.15
  23. 2.16
  24. 0.754
  25. 0.384
  26. 0.268
  27. 14.25
  28. 2.257
  29. 0.351
  30. 0.024
  31. 0.56
  32. 0.918
  33. 0.064
  34. 0.803
  35. 0.676
  36. 4.51
  37. 2.52
  38. 0.48
  39. 0.039
  40. 0.084

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