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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 828 · 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 × 0.4 =
  2. 2.0.73 × 2.2 =
  3. 3.0.08 × 1.7 =
  4. 4.0.88 × 1.5 =
  5. 5.4.1 × 0.24 =
  6. 6.0.15 × 0.2 =
  7. 7.0.3 × 0.21 =
  8. 8.2.4 × 0.08 =
  9. 9.0.14 × 3.2 =
  10. 10.0.11 × 1.4 =
  11. 11.6.5 × 0.37 =
  12. 12.5.5 × 2.9 =
  13. 13.5.9 × 0.23 =
  14. 14.3.8 × 0.07 =
  15. 15.0.15 × 1.4 =
  16. 16.9.3 × 0.04 =
  17. 17.8.6 × 2.9 =
  18. 18.0.32 × 0.4 =
  19. 19.0.62 × 0.5 =
  20. 20.0.13 × 2.1 =
  21. 21.4.3 × 0.03 =
  22. 22.0.76 × 2.4 =
  23. 23.0.71 × 2.1 =
  24. 24.2.1 × 3.3 =
  25. 25.0.47 × 1.9 =
  26. 26.1.4 × 1.8 =
  27. 27.8.8 × 2.7 =
  28. 28.0.58 × 3.6 =
  29. 29.0.09 × 2.5 =
  30. 30.0.2 × 0.11 =
  31. 31.0.33 × 0.7 =
  32. 32.4.4 × 0.04 =
  33. 33.0.84 × 2.7 =
  34. 34.9.2 × 0.26 =
  35. 35.8.3 × 3.5 =
  36. 36.8.6 × 0.11 =
  37. 37.1.4 × 0.02 =
  38. 38.4.4 × 0.31 =
  39. 39.0.57 × 1.4 =
  40. 40.2.2 × 0.31 =

Answer key

  1. 0.104
  2. 1.606
  3. 0.136
  4. 1.32
  5. 0.984
  6. 0.03
  7. 0.063
  8. 0.192
  9. 0.448
  10. 0.154
  11. 2.405
  12. 15.95
  13. 1.357
  14. 0.266
  15. 0.21
  16. 0.372
  17. 24.94
  18. 0.128
  19. 0.31
  20. 0.273
  21. 0.129
  22. 1.824
  23. 1.491
  24. 6.93
  25. 0.893
  26. 2.52
  27. 23.76
  28. 2.088
  29. 0.225
  30. 0.022
  31. 0.231
  32. 0.176
  33. 2.268
  34. 2.392
  35. 29.05
  36. 0.946
  37. 0.028
  38. 1.364
  39. 0.798
  40. 0.682

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