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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 396 · 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. 1.0.26 × 0.6 =
  2. 2.0.94 × 2.2 =
  3. 3.8.6 × 2.6 =
  4. 4.1.9 × 0.11 =
  5. 5.0.22 × 2.4 =
  6. 6.4.7 × 0.33 =
  7. 7.0.97 × 2.5 =
  8. 8.0.98 × 3.5 =
  9. 9.9.3 × 2.6 =
  10. 10.0.4 × 0.24 =
  11. 11.1.1 × 0.35 =
  12. 12.3.4 × 0.33 =
  13. 13.0.89 × 0.6 =
  14. 14.0.7 × 0.31 =
  15. 15.6.3 × 3.6 =
  16. 16.0.53 × 2.1 =
  17. 17.7.5 × 1.4 =
  18. 18.4.8 × 0.12 =
  19. 19.8.7 × 0.32 =
  20. 20.0.81 × 2.5 =
  21. 21.0.23 × 2.4 =
  22. 22.8.9 × 0.29 =
  23. 23.7.9 × 0.3 =
  24. 24.2.5 × 2.7 =
  25. 25.0.91 × 0.9 =
  26. 26.0.11 × 0.5 =
  27. 27.0.59 × 3.6 =
  28. 28.3.9 × 0.05 =
  29. 29.0.48 × 1.6 =
  30. 30.0.55 × 3.6 =
  31. 31.0.06 × 1.9 =
  32. 32.2.8 × 0.5 =
  33. 33.0.92 × 3.1 =
  34. 34.9.2 × 2.1 =
  35. 35.8.2 × 1.1 =
  36. 36.1.1 × 0.39 =
  37. 37.0.52 × 2.3 =
  38. 38.5.2 × 0.4 =
  39. 39.0.88 × 0.2 =
  40. 40.0.82 × 0.3 =

Answer key

  1. 0.156
  2. 2.068
  3. 22.36
  4. 0.209
  5. 0.528
  6. 1.551
  7. 2.425
  8. 3.43
  9. 24.18
  10. 0.096
  11. 0.385
  12. 1.122
  13. 0.534
  14. 0.217
  15. 22.68
  16. 1.113
  17. 10.5
  18. 0.576
  19. 2.784
  20. 2.025
  21. 0.552
  22. 2.581
  23. 2.37
  24. 6.75
  25. 0.819
  26. 0.055
  27. 2.124
  28. 0.195
  29. 0.768
  30. 1.98
  31. 0.114
  32. 1.4
  33. 2.852
  34. 19.32
  35. 9.02
  36. 0.429
  37. 1.196
  38. 2.08
  39. 0.176
  40. 0.246

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