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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 955 · 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. 1.0.55 × 2.6 =
  2. 2.0.52 × 2.7 =
  3. 3.8.4 × 0.7 =
  4. 4.4.5 × 0.13 =
  5. 5.0.38 × 1.8 =
  6. 6.0.33 × 2.9 =
  7. 7.7.9 × 0.28 =
  8. 8.5.1 × 2.4 =
  9. 9.0.11 × 0.8 =
  10. 10.8.2 × 3.6 =
  11. 11.5.7 × 0.27 =
  12. 12.0.34 × 2.6 =
  13. 13.2.4 × 0.29 =
  14. 14.0.03 × 0.3 =
  15. 15.0.68 × 2.3 =
  16. 16.0.54 × 2.1 =
  17. 17.0.95 × 3.5 =
  18. 18.5.1 × 1.1 =
  19. 19.8.8 × 0.22 =
  20. 20.0.8 × 0.2 =
  21. 21.2.4 × 0.24 =
  22. 22.8.5 × 0.29 =
  23. 23.0.66 × 0.2 =
  24. 24.0.46 × 2.8 =
  25. 25.6.7 × 0.14 =
  26. 26.6.7 × 0.35 =
  27. 27.5.4 × 1.7 =
  28. 28.0.51 × 2.3 =
  29. 29.7.7 × 0.13 =
  30. 30.3.9 × 0.38 =
  31. 31.0.19 × 1.8 =
  32. 32.0.05 × 1.1 =
  33. 33.2.7 × 0.16 =
  34. 34.0.3 × 1.6 =
  35. 35.0.83 × 3.7 =
  36. 36.4.6 × 0.29 =
  37. 37.0.15 × 1.9 =
  38. 38.0.16 × 1.9 =
  39. 39.0.75 × 0.2 =
  40. 40.0.26 × 2.6 =

Answer key

  1. 1.43
  2. 1.404
  3. 5.88
  4. 0.585
  5. 0.684
  6. 0.957
  7. 2.212
  8. 12.24
  9. 0.088
  10. 29.52
  11. 1.539
  12. 0.884
  13. 0.696
  14. 0.009
  15. 1.564
  16. 1.134
  17. 3.325
  18. 5.61
  19. 1.936
  20. 0.16
  21. 0.576
  22. 2.465
  23. 0.132
  24. 1.288
  25. 0.938
  26. 2.345
  27. 9.18
  28. 1.173
  29. 1.001
  30. 1.482
  31. 0.342
  32. 0.055
  33. 0.432
  34. 0.48
  35. 3.071
  36. 1.334
  37. 0.285
  38. 0.304
  39. 0.15
  40. 0.676

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