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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 731 · 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. 1.7.9 × 3.8 =
  2. 2.0.35 × 2.1 =
  3. 3.0.86 × 1.1 =
  4. 4.9.6 × 0.13 =
  5. 5.4.1 × 0.6 =
  6. 6.8.8 × 1.8 =
  7. 7.6.1 × 0.26 =
  8. 8.5.5 × 3.5 =
  9. 9.0.19 × 3.4 =
  10. 10.3.7 × 0.12 =
  11. 11.0.63 × 2.4 =
  12. 12.6.6 × 3.6 =
  13. 13.0.68 × 3.7 =
  14. 14.2.6 × 0.6 =
  15. 15.9.5 × 0.26 =
  16. 16.0.85 × 3.7 =
  17. 17.0.14 × 0.8 =
  18. 18.7.6 × 0.9 =
  19. 19.0.31 × 0.3 =
  20. 20.5.3 × 0.21 =
  21. 21.0.3 × 0.21 =
  22. 22.4.1 × 3.8 =
  23. 23.8.1 × 0.6 =
  24. 24.0.95 × 3.7 =
  25. 25.5.6 × 0.05 =
  26. 26.0.99 × 0.6 =
  27. 27.0.21 × 0.4 =
  28. 28.4.6 × 0.37 =
  29. 29.1.9 × 2.4 =
  30. 30.4.7 × 0.24 =
  31. 31.7.3 × 2.3 =
  32. 32.4.1 × 0.34 =
  33. 33.4.5 × 2.1 =
  34. 34.7.6 × 0.33 =
  35. 35.0.63 × 2.7 =
  36. 36.5.5 × 2.4 =
  37. 37.0.18 × 1.7 =
  38. 38.0.11 × 0.7 =
  39. 39.0.76 × 3.8 =
  40. 40.0.05 × 1.8 =

Answer key

  1. 30.02
  2. 0.735
  3. 0.946
  4. 1.248
  5. 2.46
  6. 15.84
  7. 1.586
  8. 19.25
  9. 0.646
  10. 0.444
  11. 1.512
  12. 23.76
  13. 2.516
  14. 1.56
  15. 2.47
  16. 3.145
  17. 0.112
  18. 6.84
  19. 0.093
  20. 1.113
  21. 0.063
  22. 15.58
  23. 4.86
  24. 3.515
  25. 0.28
  26. 0.594
  27. 0.084
  28. 1.702
  29. 4.56
  30. 1.128
  31. 16.79
  32. 1.394
  33. 9.45
  34. 2.508
  35. 1.701
  36. 13.2
  37. 0.306
  38. 0.077
  39. 2.888
  40. 0.09

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