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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 239 · 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. 1.2.7 × 0.33 =
  2. 2.4.4 × 1.1 =
  3. 3.0.92 × 2.2 =
  4. 4.0.95 × 0.3 =
  5. 5.1.6 × 3.1 =
  6. 6.2.9 × 0.19 =
  7. 7.4.6 × 0.33 =
  8. 8.0.92 × 1.4 =
  9. 9.0.26 × 3.4 =
  10. 10.0.33 × 0.2 =
  11. 11.5.5 × 0.12 =
  12. 12.0.12 × 1.9 =
  13. 13.1.5 × 0.11 =
  14. 14.5.8 × 0.14 =
  15. 15.0.3 × 1.8 =
  16. 16.0.51 × 2.7 =
  17. 17.2.3 × 2.8 =
  18. 18.1.1 × 0.32 =
  19. 19.2.3 × 0.29 =
  20. 20.0.56 × 3.8 =
  21. 21.3.7 × 0.9 =
  22. 22.9.5 × 0.12 =
  23. 23.0.92 × 3.5 =
  24. 24.4.7 × 0.28 =
  25. 25.0.27 × 1.2 =
  26. 26.0.21 × 2.3 =
  27. 27.4.6 × 2.1 =
  28. 28.0.26 × 3.7 =
  29. 29.2.1 × 1.5 =
  30. 30.0.18 × 2.1 =
  31. 31.0.37 × 0.6 =
  32. 32.6.1 × 1.8 =
  33. 33.3.1 × 3.8 =
  34. 34.3.8 × 2.2 =
  35. 35.0.71 × 0.5 =
  36. 36.0.56 × 0.9 =
  37. 37.9.5 × 0.31 =
  38. 38.0.07 × 2.1 =
  39. 39.0.97 × 2.3 =
  40. 40.3.1 × 2.4 =

Answer key

  1. 0.891
  2. 4.84
  3. 2.024
  4. 0.285
  5. 4.96
  6. 0.551
  7. 1.518
  8. 1.288
  9. 0.884
  10. 0.066
  11. 0.66
  12. 0.228
  13. 0.165
  14. 0.812
  15. 0.54
  16. 1.377
  17. 6.44
  18. 0.352
  19. 0.667
  20. 2.128
  21. 3.33
  22. 1.14
  23. 3.22
  24. 1.316
  25. 0.324
  26. 0.483
  27. 9.66
  28. 0.962
  29. 3.15
  30. 0.378
  31. 0.222
  32. 10.98
  33. 11.78
  34. 8.36
  35. 0.355
  36. 0.504
  37. 2.945
  38. 0.147
  39. 2.231
  40. 7.44

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