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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 743 · 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. 1.0.34 × 0.6 =
  2. 2.1.9 × 1.6 =
  3. 3.4.3 × 0.22 =
  4. 4.0.78 × 0.2 =
  5. 5.3.8 × 0.4 =
  6. 6.3.9 × 0.26 =
  7. 7.0.69 × 1.2 =
  8. 8.0.89 × 1.4 =
  9. 9.0.17 × 1.1 =
  10. 10.5.4 × 2.3 =
  11. 11.7.9 × 2.8 =
  12. 12.4.5 × 1.4 =
  13. 13.0.83 × 2.9 =
  14. 14.0.67 × 1.1 =
  15. 15.0.03 × 3.1 =
  16. 16.4.1 × 0.26 =
  17. 17.7.5 × 2.5 =
  18. 18.0.08 × 1.7 =
  19. 19.0.51 × 1.4 =
  20. 20.0.39 × 1.2 =
  21. 21.0.71 × 3.7 =
  22. 22.5.9 × 2.5 =
  23. 23.7.1 × 2.9 =
  24. 24.0.89 × 1.4 =
  25. 25.8.9 × 0.32 =
  26. 26.5.2 × 0.38 =
  27. 27.0.59 × 0.4 =
  28. 28.3.5 × 0.5 =
  29. 29.0.68 × 3.4 =
  30. 30.1.9 × 2.7 =
  31. 31.4.6 × 2.5 =
  32. 32.0.8 × 1.4 =
  33. 33.0.62 × 2.5 =
  34. 34.0.78 × 3.3 =
  35. 35.0.21 × 2.1 =
  36. 36.2.6 × 0.13 =
  37. 37.0.2 × 0.18 =
  38. 38.0.02 × 1.4 =
  39. 39.0.88 × 0.4 =
  40. 40.3.2 × 1.1 =

Answer key

  1. 0.204
  2. 3.04
  3. 0.946
  4. 0.156
  5. 1.52
  6. 1.014
  7. 0.828
  8. 1.246
  9. 0.187
  10. 12.42
  11. 22.12
  12. 6.3
  13. 2.407
  14. 0.737
  15. 0.093
  16. 1.066
  17. 18.75
  18. 0.136
  19. 0.714
  20. 0.468
  21. 2.627
  22. 14.75
  23. 20.59
  24. 1.246
  25. 2.848
  26. 1.976
  27. 0.236
  28. 1.75
  29. 2.312
  30. 5.13
  31. 11.5
  32. 1.12
  33. 1.55
  34. 2.574
  35. 0.441
  36. 0.338
  37. 0.036
  38. 0.028
  39. 0.352
  40. 3.52

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