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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 794 · 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. 1.0.45 × 2.3 =
  2. 2.6.7 × 2.1 =
  3. 3.7.6 × 3.1 =
  4. 4.0.95 × 1.1 =
  5. 5.0.82 × 2.6 =
  6. 6.0.4 × 2.1 =
  7. 7.0.05 × 0.6 =
  8. 8.2.8 × 0.13 =
  9. 9.0.41 × 3.9 =
  10. 10.7.1 × 2.8 =
  11. 11.8.4 × 0.36 =
  12. 12.7.6 × 0.14 =
  13. 13.0.71 × 0.8 =
  14. 14.0.62 × 3.9 =
  15. 15.0.8 × 1.5 =
  16. 16.0.7 × 3.7 =
  17. 17.0.42 × 1.1 =
  18. 18.0.2 × 0.27 =
  19. 19.2.4 × 1.1 =
  20. 20.7.1 × 0.39 =
  21. 21.0.4 × 0.36 =
  22. 22.0.2 × 0.8 =
  23. 23.9.5 × 0.11 =
  24. 24.0.22 × 1.7 =
  25. 25.8.5 × 2.4 =
  26. 26.2.6 × 0.26 =
  27. 27.8.9 × 0.06 =
  28. 28.9.1 × 0.22 =
  29. 29.4.8 × 0.9 =
  30. 30.0.96 × 2.4 =
  31. 31.0.46 × 1.8 =
  32. 32.0.61 × 0.8 =
  33. 33.0.96 × 1.3 =
  34. 34.0.44 × 3.2 =
  35. 35.0.11 × 0.2 =
  36. 36.7.4 × 2.5 =
  37. 37.8.1 × 1.4 =
  38. 38.1.1 × 0.7 =
  39. 39.0.93 × 2.3 =
  40. 40.0.59 × 3.1 =

Answer key

  1. 1.035
  2. 14.07
  3. 23.56
  4. 1.045
  5. 2.132
  6. 0.84
  7. 0.03
  8. 0.364
  9. 1.599
  10. 19.88
  11. 3.024
  12. 1.064
  13. 0.568
  14. 2.418
  15. 1.2
  16. 2.59
  17. 0.462
  18. 0.054
  19. 2.64
  20. 2.769
  21. 0.144
  22. 0.16
  23. 1.045
  24. 0.374
  25. 20.4
  26. 0.676
  27. 0.534
  28. 2.002
  29. 4.32
  30. 2.304
  31. 0.828
  32. 0.488
  33. 1.248
  34. 1.408
  35. 0.022
  36. 18.5
  37. 11.34
  38. 0.77
  39. 2.139
  40. 1.829

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