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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 234 · 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. 1.6.1 × 0.03 =
  2. 2.8.4 × 0.29 =
  3. 3.7.1 × 0.9 =
  4. 4.0.45 × 1.1 =
  5. 5.0.52 × 1.1 =
  6. 6.0.6 × 1.1 =
  7. 7.6.7 × 0.14 =
  8. 8.0.87 × 0.8 =
  9. 9.1.9 × 0.24 =
  10. 10.0.12 × 0.2 =
  11. 11.9.9 × 0.18 =
  12. 12.0.23 × 3.2 =
  13. 13.9.2 × 0.6 =
  14. 14.0.76 × 2.6 =
  15. 15.1.9 × 1.2 =
  16. 16.0.8 × 0.04 =
  17. 17.2.4 × 0.09 =
  18. 18.0.88 × 0.5 =
  19. 19.0.99 × 1.2 =
  20. 20.0.45 × 1.5 =
  21. 21.9.3 × 0.31 =
  22. 22.3.1 × 0.8 =
  23. 23.2.4 × 0.31 =
  24. 24.2.1 × 0.33 =
  25. 25.0.02 × 1.9 =
  26. 26.4.6 × 0.15 =
  27. 27.0.76 × 2.5 =
  28. 28.0.58 × 3.4 =
  29. 29.8.1 × 0.32 =
  30. 30.8.6 × 1.3 =
  31. 31.0.09 × 2.4 =
  32. 32.0.54 × 2.4 =
  33. 33.7.1 × 2.1 =
  34. 34.0.5 × 1.2 =
  35. 35.0.07 × 1.4 =
  36. 36.0.84 × 0.7 =
  37. 37.0.91 × 2.5 =
  38. 38.0.43 × 3.4 =
  39. 39.0.75 × 3.5 =
  40. 40.4.5 × 0.15 =

Answer key

  1. 0.183
  2. 2.436
  3. 6.39
  4. 0.495
  5. 0.572
  6. 0.66
  7. 0.938
  8. 0.696
  9. 0.456
  10. 0.024
  11. 1.782
  12. 0.736
  13. 5.52
  14. 1.976
  15. 2.28
  16. 0.032
  17. 0.216
  18. 0.44
  19. 1.188
  20. 0.675
  21. 2.883
  22. 2.48
  23. 0.744
  24. 0.693
  25. 0.038
  26. 0.69
  27. 1.9
  28. 1.972
  29. 2.592
  30. 11.18
  31. 0.216
  32. 1.296
  33. 14.91
  34. 0.6
  35. 0.098
  36. 0.588
  37. 2.275
  38. 1.462
  39. 2.625
  40. 0.675

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