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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 800 · 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. 1.7.2 × 2.3 =
  2. 2.0.08 × 2.4 =
  3. 3.0.61 × 0.4 =
  4. 4.0.11 × 1.7 =
  5. 5.0.36 × 1.1 =
  6. 6.3.1 × 0.19 =
  7. 7.1.1 × 2.1 =
  8. 8.5.9 × 0.7 =
  9. 9.2.4 × 0.39 =
  10. 10.0.61 × 0.9 =
  11. 11.9.2 × 0.25 =
  12. 12.0.94 × 1.1 =
  13. 13.0.41 × 2.3 =
  14. 14.6.8 × 0.9 =
  15. 15.3.7 × 0.07 =
  16. 16.0.63 × 1.2 =
  17. 17.0.76 × 2.4 =
  18. 18.0.97 × 3.7 =
  19. 19.0.25 × 3.7 =
  20. 20.0.02 × 1.1 =
  21. 21.0.29 × 3.6 =
  22. 22.8.9 × 0.23 =
  23. 23.9.9 × 3.5 =
  24. 24.9.1 × 1.3 =
  25. 25.7.2 × 0.7 =
  26. 26.9.7 × 0.21 =
  27. 27.6.2 × 0.21 =
  28. 28.1.2 × 1.3 =
  29. 29.0.26 × 2.1 =
  30. 30.1.4 × 0.22 =
  31. 31.1.3 × 2.1 =
  32. 32.0.68 × 1.6 =
  33. 33.4.3 × 2.3 =
  34. 34.0.8 × 0.7 =
  35. 35.3.1 × 0.27 =
  36. 36.5.9 × 0.3 =
  37. 37.0.76 × 2.6 =
  38. 38.7.5 × 0.9 =
  39. 39.0.8 × 0.2 =
  40. 40.0.14 × 3.7 =

Answer key

  1. 16.56
  2. 0.192
  3. 0.244
  4. 0.187
  5. 0.396
  6. 0.589
  7. 2.31
  8. 4.13
  9. 0.936
  10. 0.549
  11. 2.3
  12. 1.034
  13. 0.943
  14. 6.12
  15. 0.259
  16. 0.756
  17. 1.824
  18. 3.589
  19. 0.925
  20. 0.022
  21. 1.044
  22. 2.047
  23. 34.65
  24. 11.83
  25. 5.04
  26. 2.037
  27. 1.302
  28. 1.56
  29. 0.546
  30. 0.308
  31. 2.73
  32. 1.088
  33. 9.89
  34. 0.56
  35. 0.837
  36. 1.77
  37. 1.976
  38. 6.75
  39. 0.16
  40. 0.518

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