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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 467 · 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. 1.0.49 × 1.3 =
  2. 2.0.28 × 1.9 =
  3. 3.0.02 × 3.2 =
  4. 4.0.73 × 3.2 =
  5. 5.1.8 × 0.14 =
  6. 6.8.7 × 2.9 =
  7. 7.0.9 × 0.26 =
  8. 8.0.48 × 3.1 =
  9. 9.5.9 × 3.7 =
  10. 10.7.5 × 0.13 =
  11. 11.7.8 × 0.7 =
  12. 12.0.16 × 0.3 =
  13. 13.1.9 × 3.8 =
  14. 14.0.43 × 0.7 =
  15. 15.3.6 × 3.7 =
  16. 16.0.11 × 2.4 =
  17. 17.7.5 × 1.7 =
  18. 18.4.8 × 1.3 =
  19. 19.0.5 × 0.28 =
  20. 20.1.8 × 1.8 =
  21. 21.0.75 × 2.5 =
  22. 22.0.8 × 2.2 =
  23. 23.5.3 × 2.9 =
  24. 24.8.6 × 0.22 =
  25. 25.8.6 × 1.4 =
  26. 26.2.5 × 2.2 =
  27. 27.7.2 × 1.1 =
  28. 28.0.34 × 0.4 =
  29. 29.0.9 × 3.9 =
  30. 30.0.7 × 3.6 =
  31. 31.0.61 × 3.2 =
  32. 32.9.3 × 3.1 =
  33. 33.4.1 × 0.08 =
  34. 34.9.9 × 0.23 =
  35. 35.0.66 × 2.7 =
  36. 36.8.4 × 0.29 =
  37. 37.0.77 × 1.1 =
  38. 38.0.57 × 1.5 =
  39. 39.2.6 × 0.37 =
  40. 40.9.8 × 1.8 =

Answer key

  1. 0.637
  2. 0.532
  3. 0.064
  4. 2.336
  5. 0.252
  6. 25.23
  7. 0.234
  8. 1.488
  9. 21.83
  10. 0.975
  11. 5.46
  12. 0.048
  13. 7.22
  14. 0.301
  15. 13.32
  16. 0.264
  17. 12.75
  18. 6.24
  19. 0.14
  20. 3.24
  21. 1.875
  22. 1.76
  23. 15.37
  24. 1.892
  25. 12.04
  26. 5.5
  27. 7.92
  28. 0.136
  29. 3.51
  30. 2.52
  31. 1.952
  32. 28.83
  33. 0.328
  34. 2.277
  35. 1.782
  36. 2.436
  37. 0.847
  38. 0.855
  39. 0.962
  40. 17.64

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