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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 703 · 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. 1.0.5 × 0.18 =
  2. 2.0.42 × 0.6 =
  3. 3.0.11 × 1.1 =
  4. 4.0.57 × 1.7 =
  5. 5.0.22 × 3.9 =
  6. 6.0.32 × 2.3 =
  7. 7.6.1 × 2.2 =
  8. 8.0.83 × 0.3 =
  9. 9.4.5 × 0.04 =
  10. 10.3.4 × 2.2 =
  11. 11.0.68 × 2.5 =
  12. 12.9.1 × 0.34 =
  13. 13.3.5 × 0.28 =
  14. 14.4.4 × 0.16 =
  15. 15.7.7 × 2.5 =
  16. 16.7.7 × 0.03 =
  17. 17.9.3 × 1.5 =
  18. 18.0.73 × 0.9 =
  19. 19.0.75 × 2.6 =
  20. 20.0.95 × 0.2 =
  21. 21.0.88 × 3.3 =
  22. 22.3.7 × 0.33 =
  23. 23.0.17 × 1.8 =
  24. 24.9.9 × 1.7 =
  25. 25.9.3 × 3.5 =
  26. 26.3.2 × 3.8 =
  27. 27.8.7 × 1.1 =
  28. 28.0.41 × 3.6 =
  29. 29.0.41 × 3.1 =
  30. 30.8.1 × 3.2 =
  31. 31.1.1 × 0.17 =
  32. 32.3.2 × 0.39 =
  33. 33.3.5 × 2.9 =
  34. 34.0.19 × 0.4 =
  35. 35.0.84 × 2.8 =
  36. 36.0.49 × 3.4 =
  37. 37.5.9 × 0.02 =
  38. 38.5.7 × 0.02 =
  39. 39.6.9 × 2.7 =
  40. 40.6.9 × 0.8 =

Answer key

  1. 0.09
  2. 0.252
  3. 0.121
  4. 0.969
  5. 0.858
  6. 0.736
  7. 13.42
  8. 0.249
  9. 0.18
  10. 7.48
  11. 1.7
  12. 3.094
  13. 0.98
  14. 0.704
  15. 19.25
  16. 0.231
  17. 13.95
  18. 0.657
  19. 1.95
  20. 0.19
  21. 2.904
  22. 1.221
  23. 0.306
  24. 16.83
  25. 32.55
  26. 12.16
  27. 9.57
  28. 1.476
  29. 1.271
  30. 25.92
  31. 0.187
  32. 1.248
  33. 10.15
  34. 0.076
  35. 2.352
  36. 1.666
  37. 0.118
  38. 0.114
  39. 18.63
  40. 5.52

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