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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 625 · 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. 1.3.6 × 0.15 =
  2. 2.9.2 × 0.27 =
  3. 3.7.5 × 0.07 =
  4. 4.0.19 × 0.7 =
  5. 5.6.2 × 1.2 =
  6. 6.0.97 × 1.2 =
  7. 7.2.5 × 0.6 =
  8. 8.4.9 × 2.9 =
  9. 9.4.6 × 0.6 =
  10. 10.9.6 × 0.27 =
  11. 11.5.7 × 0.35 =
  12. 12.0.92 × 0.4 =
  13. 13.0.41 × 2.5 =
  14. 14.0.94 × 3.9 =
  15. 15.1.8 × 1.1 =
  16. 16.6.1 × 1.1 =
  17. 17.5.2 × 3.9 =
  18. 18.1.2 × 1.1 =
  19. 19.1.3 × 0.2 =
  20. 20.9.8 × 0.37 =
  21. 21.0.31 × 3.8 =
  22. 22.1.6 × 0.2 =
  23. 23.0.58 × 2.6 =
  24. 24.8.6 × 0.29 =
  25. 25.0.13 × 3.7 =
  26. 26.3.3 × 0.9 =
  27. 27.0.81 × 1.3 =
  28. 28.9.2 × 0.27 =
  29. 29.1.6 × 0.05 =
  30. 30.0.09 × 1.7 =
  31. 31.9.1 × 0.7 =
  32. 32.0.8 × 0.06 =
  33. 33.0.57 × 0.7 =
  34. 34.0.91 × 1.7 =
  35. 35.0.69 × 0.2 =
  36. 36.0.95 × 2.1 =
  37. 37.0.06 × 0.3 =
  38. 38.0.28 × 1.4 =
  39. 39.0.75 × 3.3 =
  40. 40.0.92 × 2.6 =

Answer key

  1. 0.54
  2. 2.484
  3. 0.525
  4. 0.133
  5. 7.44
  6. 1.164
  7. 1.5
  8. 14.21
  9. 2.76
  10. 2.592
  11. 1.995
  12. 0.368
  13. 1.025
  14. 3.666
  15. 1.98
  16. 6.71
  17. 20.28
  18. 1.32
  19. 0.26
  20. 3.626
  21. 1.178
  22. 0.32
  23. 1.508
  24. 2.494
  25. 0.481
  26. 2.97
  27. 1.053
  28. 2.484
  29. 0.08
  30. 0.153
  31. 6.37
  32. 0.048
  33. 0.399
  34. 1.547
  35. 0.138
  36. 1.995
  37. 0.018
  38. 0.392
  39. 2.475
  40. 2.392

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