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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 825 · 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. 1.8.1 × 0.36 =
  2. 2.0.02 × 2.4 =
  3. 3.0.2 × 0.14 =
  4. 4.9.8 × 0.21 =
  5. 5.9.5 × 2.4 =
  6. 6.0.41 × 0.9 =
  7. 7.5.6 × 0.03 =
  8. 8.0.12 × 1.5 =
  9. 9.7.1 × 0.26 =
  10. 10.0.32 × 1.1 =
  11. 11.0.3 × 1.4 =
  12. 12.3.1 × 0.03 =
  13. 13.0.6 × 0.26 =
  14. 14.1.2 × 1.1 =
  15. 15.1.4 × 0.7 =
  16. 16.0.35 × 0.9 =
  17. 17.9.1 × 2.9 =
  18. 18.0.22 × 0.2 =
  19. 19.0.89 × 1.4 =
  20. 20.4.3 × 0.06 =
  21. 21.0.91 × 1.4 =
  22. 22.0.8 × 0.29 =
  23. 23.0.54 × 2.6 =
  24. 24.0.22 × 3.6 =
  25. 25.4.8 × 1.8 =
  26. 26.3.6 × 2.9 =
  27. 27.0.3 × 0.2 =
  28. 28.0.17 × 3.7 =
  29. 29.9.4 × 0.19 =
  30. 30.0.31 × 1.2 =
  31. 31.8.8 × 3.6 =
  32. 32.0.27 × 2.2 =
  33. 33.2.3 × 0.8 =
  34. 34.0.59 × 3.3 =
  35. 35.0.13 × 2.5 =
  36. 36.0.11 × 3.2 =
  37. 37.0.41 × 0.8 =
  38. 38.4.6 × 0.05 =
  39. 39.0.56 × 3.5 =
  40. 40.0.79 × 1.2 =

Answer key

  1. 2.916
  2. 0.048
  3. 0.028
  4. 2.058
  5. 22.8
  6. 0.369
  7. 0.168
  8. 0.18
  9. 1.846
  10. 0.352
  11. 0.42
  12. 0.093
  13. 0.156
  14. 1.32
  15. 0.98
  16. 0.315
  17. 26.39
  18. 0.044
  19. 1.246
  20. 0.258
  21. 1.274
  22. 0.232
  23. 1.404
  24. 0.792
  25. 8.64
  26. 10.44
  27. 0.06
  28. 0.629
  29. 1.786
  30. 0.372
  31. 31.68
  32. 0.594
  33. 1.84
  34. 1.947
  35. 0.325
  36. 0.352
  37. 0.328
  38. 0.23
  39. 1.96
  40. 0.948

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