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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 964 · 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. 1.7.5 × 3.5 =
  2. 2.0.93 × 2.5 =
  3. 3.0.27 × 3.2 =
  4. 4.0.41 × 1.1 =
  5. 5.0.06 × 0.2 =
  6. 6.2.4 × 0.15 =
  7. 7.0.3 × 2.6 =
  8. 8.0.8 × 2.2 =
  9. 9.0.02 × 1.2 =
  10. 10.4.2 × 1.2 =
  11. 11.4.9 × 0.7 =
  12. 12.3.9 × 3.4 =
  13. 13.0.33 × 2.1 =
  14. 14.9.5 × 0.2 =
  15. 15.0.51 × 1.1 =
  16. 16.0.65 × 1.3 =
  17. 17.6.3 × 2.3 =
  18. 18.0.02 × 3.6 =
  19. 19.0.6 × 3.7 =
  20. 20.0.49 × 2.4 =
  21. 21.7.5 × 0.5 =
  22. 22.0.25 × 0.7 =
  23. 23.0.99 × 3.8 =
  24. 24.0.41 × 2.6 =
  25. 25.0.3 × 0.27 =
  26. 26.1.5 × 2.7 =
  27. 27.5.3 × 0.9 =
  28. 28.5.2 × 0.21 =
  29. 29.8.6 × 3.3 =
  30. 30.0.85 × 1.1 =
  31. 31.3.1 × 0.27 =
  32. 32.9.5 × 0.28 =
  33. 33.0.4 × 0.19 =
  34. 34.0.08 × 1.9 =
  35. 35.5.2 × 2.1 =
  36. 36.0.41 × 3.1 =
  37. 37.0.87 × 1.6 =
  38. 38.0.85 × 1.1 =
  39. 39.0.59 × 2.1 =
  40. 40.0.81 × 1.6 =

Answer key

  1. 26.25
  2. 2.325
  3. 0.864
  4. 0.451
  5. 0.012
  6. 0.36
  7. 0.78
  8. 1.76
  9. 0.024
  10. 5.04
  11. 3.43
  12. 13.26
  13. 0.693
  14. 1.9
  15. 0.561
  16. 0.845
  17. 14.49
  18. 0.072
  19. 2.22
  20. 1.176
  21. 3.75
  22. 0.175
  23. 3.762
  24. 1.066
  25. 0.081
  26. 4.05
  27. 4.77
  28. 1.092
  29. 28.38
  30. 0.935
  31. 0.837
  32. 2.66
  33. 0.076
  34. 0.152
  35. 10.92
  36. 1.271
  37. 1.392
  38. 0.935
  39. 1.239
  40. 1.296

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