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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 830 · 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. 1.0.06 × 1.1 =
  2. 2.0.2 × 0.11 =
  3. 3.6.8 × 1.7 =
  4. 4.0.32 × 3.8 =
  5. 5.0.07 × 0.4 =
  6. 6.0.16 × 0.9 =
  7. 7.0.37 × 2.5 =
  8. 8.0.68 × 3.9 =
  9. 9.9.1 × 0.6 =
  10. 10.3.4 × 0.08 =
  11. 11.0.78 × 2.6 =
  12. 12.0.14 × 3.2 =
  13. 13.0.89 × 0.9 =
  14. 14.0.73 × 3.7 =
  15. 15.0.12 × 1.1 =
  16. 16.0.79 × 3.1 =
  17. 17.0.97 × 3.5 =
  18. 18.4.3 × 1.3 =
  19. 19.0.13 × 1.7 =
  20. 20.0.53 × 3.2 =
  21. 21.0.7 × 1.4 =
  22. 22.0.02 × 2.1 =
  23. 23.1.1 × 0.6 =
  24. 24.5.6 × 0.11 =
  25. 25.6.1 × 2.3 =
  26. 26.0.52 × 0.2 =
  27. 27.0.4 × 0.31 =
  28. 28.0.85 × 0.3 =
  29. 29.0.04 × 3.1 =
  30. 30.7.5 × 0.08 =
  31. 31.0.42 × 3.7 =
  32. 32.5.2 × 0.8 =
  33. 33.3.3 × 0.38 =
  34. 34.6.3 × 0.38 =
  35. 35.0.48 × 3.1 =
  36. 36.5.7 × 0.8 =
  37. 37.3.8 × 2.3 =
  38. 38.0.13 × 1.3 =
  39. 39.0.61 × 0.9 =
  40. 40.0.33 × 3.4 =

Answer key

  1. 0.066
  2. 0.022
  3. 11.56
  4. 1.216
  5. 0.028
  6. 0.144
  7. 0.925
  8. 2.652
  9. 5.46
  10. 0.272
  11. 2.028
  12. 0.448
  13. 0.801
  14. 2.701
  15. 0.132
  16. 2.449
  17. 3.395
  18. 5.59
  19. 0.221
  20. 1.696
  21. 0.98
  22. 0.042
  23. 0.66
  24. 0.616
  25. 14.03
  26. 0.104
  27. 0.124
  28. 0.255
  29. 0.124
  30. 0.6
  31. 1.554
  32. 4.16
  33. 1.254
  34. 2.394
  35. 1.488
  36. 4.56
  37. 8.74
  38. 0.169
  39. 0.549
  40. 1.122

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