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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 192 · 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. 1.8.9 × 0.28 =
  2. 2.6.1 × 0.06 =
  3. 3.0.55 × 1.8 =
  4. 4.9.8 × 0.9 =
  5. 5.0.19 × 3.8 =
  6. 6.9.1 × 0.04 =
  7. 7.0.25 × 1.9 =
  8. 8.4.3 × 2.7 =
  9. 9.0.88 × 0.6 =
  10. 10.8.4 × 0.29 =
  11. 11.0.81 × 0.4 =
  12. 12.0.13 × 0.3 =
  13. 13.9.5 × 0.6 =
  14. 14.3.3 × 0.31 =
  15. 15.0.78 × 1.1 =
  16. 16.0.2 × 1.9 =
  17. 17.0.49 × 3.2 =
  18. 18.0.47 × 3.5 =
  19. 19.0.51 × 1.8 =
  20. 20.2.9 × 0.11 =
  21. 21.3.9 × 0.18 =
  22. 22.0.61 × 3.1 =
  23. 23.4.7 × 3.6 =
  24. 24.0.8 × 0.2 =
  25. 25.6.1 × 0.05 =
  26. 26.5.7 × 0.11 =
  27. 27.1.1 × 2.4 =
  28. 28.0.2 × 0.17 =
  29. 29.6.5 × 0.14 =
  30. 30.0.33 × 0.4 =
  31. 31.4.4 × 0.5 =
  32. 32.0.43 × 0.3 =
  33. 33.0.26 × 0.9 =
  34. 34.0.88 × 3.2 =
  35. 35.8.4 × 0.02 =
  36. 36.0.63 × 3.4 =
  37. 37.0.83 × 3.9 =
  38. 38.0.24 × 1.4 =
  39. 39.6.8 × 0.05 =
  40. 40.9.8 × 0.18 =

Answer key

  1. 2.492
  2. 0.366
  3. 0.99
  4. 8.82
  5. 0.722
  6. 0.364
  7. 0.475
  8. 11.61
  9. 0.528
  10. 2.436
  11. 0.324
  12. 0.039
  13. 5.7
  14. 1.023
  15. 0.858
  16. 0.38
  17. 1.568
  18. 1.645
  19. 0.918
  20. 0.319
  21. 0.702
  22. 1.891
  23. 16.92
  24. 0.16
  25. 0.305
  26. 0.627
  27. 2.64
  28. 0.034
  29. 0.91
  30. 0.132
  31. 2.2
  32. 0.129
  33. 0.234
  34. 2.816
  35. 0.168
  36. 2.142
  37. 3.237
  38. 0.336
  39. 0.34
  40. 1.764

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