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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 441 · 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. 1.0.41 × 0.6 =
  2. 2.5.5 × 0.29 =
  3. 3.0.05 × 2.7 =
  4. 4.0.15 × 0.3 =
  5. 5.0.03 × 1.6 =
  6. 6.0.39 × 0.7 =
  7. 7.7.4 × 0.13 =
  8. 8.0.72 × 3.4 =
  9. 9.4.6 × 3.5 =
  10. 10.0.93 × 0.8 =
  11. 11.8.1 × 3.1 =
  12. 12.8.1 × 0.31 =
  13. 13.2.2 × 0.21 =
  14. 14.9.5 × 0.28 =
  15. 15.0.36 × 1.4 =
  16. 16.7.4 × 3.7 =
  17. 17.0.76 × 1.6 =
  18. 18.1.5 × 3.6 =
  19. 19.0.5 × 0.2 =
  20. 20.0.54 × 3.1 =
  21. 21.8.1 × 1.2 =
  22. 22.2.5 × 0.38 =
  23. 23.0.83 × 2.1 =
  24. 24.3.8 × 0.39 =
  25. 25.1.7 × 0.18 =
  26. 26.6.1 × 2.5 =
  27. 27.0.11 × 2.1 =
  28. 28.0.52 × 3.7 =
  29. 29.7.7 × 0.22 =
  30. 30.9.6 × 0.24 =
  31. 31.0.29 × 3.1 =
  32. 32.0.59 × 3.6 =
  33. 33.5.3 × 1.7 =
  34. 34.0.16 × 1.8 =
  35. 35.0.69 × 0.5 =
  36. 36.2.4 × 0.25 =
  37. 37.0.17 × 1.4 =
  38. 38.9.5 × 1.1 =
  39. 39.5.1 × 0.13 =
  40. 40.6.4 × 0.22 =

Answer key

  1. 0.246
  2. 1.595
  3. 0.135
  4. 0.045
  5. 0.048
  6. 0.273
  7. 0.962
  8. 2.448
  9. 16.1
  10. 0.744
  11. 25.11
  12. 2.511
  13. 0.462
  14. 2.66
  15. 0.504
  16. 27.38
  17. 1.216
  18. 5.4
  19. 0.1
  20. 1.674
  21. 9.72
  22. 0.95
  23. 1.743
  24. 1.482
  25. 0.306
  26. 15.25
  27. 0.231
  28. 1.924
  29. 1.694
  30. 2.304
  31. 0.899
  32. 2.124
  33. 9.01
  34. 0.288
  35. 0.345
  36. 0.6
  37. 0.238
  38. 10.45
  39. 0.663
  40. 1.408

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