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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 196 · 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. 1.0.88 × 1.8 =
  2. 2.0.9 × 0.17 =
  3. 3.3.3 × 0.08 =
  4. 4.3.7 × 0.21 =
  5. 5.8.4 × 3.7 =
  6. 6.0.23 × 3.9 =
  7. 7.3.4 × 3.3 =
  8. 8.0.54 × 1.7 =
  9. 9.6.8 × 2.4 =
  10. 10.3.4 × 1.3 =
  11. 11.7.3 × 0.16 =
  12. 12.2.1 × 0.31 =
  13. 13.6.3 × 0.5 =
  14. 14.7.5 × 0.03 =
  15. 15.0.11 × 1.2 =
  16. 16.3.6 × 0.36 =
  17. 17.7.1 × 0.11 =
  18. 18.4.1 × 0.4 =
  19. 19.6.7 × 0.07 =
  20. 20.0.38 × 3.3 =
  21. 21.8.4 × 0.11 =
  22. 22.7.3 × 0.33 =
  23. 23.2.9 × 2.2 =
  24. 24.4.5 × 0.4 =
  25. 25.0.9 × 0.4 =
  26. 26.1.4 × 0.07 =
  27. 27.0.09 × 3.8 =
  28. 28.0.23 × 0.5 =
  29. 29.3.2 × 1.6 =
  30. 30.0.14 × 0.2 =
  31. 31.0.35 × 3.6 =
  32. 32.5.8 × 0.7 =
  33. 33.0.81 × 0.8 =
  34. 34.6.6 × 1.7 =
  35. 35.0.24 × 0.3 =
  36. 36.0.76 × 3.2 =
  37. 37.0.05 × 1.5 =
  38. 38.0.7 × 0.11 =
  39. 39.8.6 × 0.7 =
  40. 40.0.18 × 1.1 =

Answer key

  1. 1.584
  2. 0.153
  3. 0.264
  4. 0.777
  5. 31.08
  6. 0.897
  7. 11.22
  8. 0.918
  9. 16.32
  10. 4.42
  11. 1.168
  12. 0.651
  13. 3.15
  14. 0.225
  15. 0.132
  16. 1.296
  17. 0.781
  18. 1.64
  19. 0.469
  20. 1.254
  21. 0.924
  22. 2.409
  23. 6.38
  24. 1.8
  25. 0.36
  26. 0.098
  27. 0.342
  28. 0.115
  29. 5.12
  30. 0.028
  31. 1.26
  32. 4.06
  33. 0.648
  34. 11.22
  35. 0.072
  36. 2.432
  37. 0.075
  38. 0.077
  39. 6.02
  40. 0.198

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