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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 995 · 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. 1.0.9 × 0.28 =
  2. 2.0.55 × 0.7 =
  3. 3.0.48 × 2.1 =
  4. 4.0.84 × 2.4 =
  5. 5.0.72 × 3.4 =
  6. 6.0.24 × 1.1 =
  7. 7.0.47 × 3.5 =
  8. 8.9.9 × 1.4 =
  9. 9.1.7 × 2.9 =
  10. 10.5.9 × 0.9 =
  11. 11.9.3 × 1.5 =
  12. 12.4.6 × 0.11 =
  13. 13.0.95 × 2.7 =
  14. 14.0.52 × 3.1 =
  15. 15.0.36 × 2.2 =
  16. 16.0.91 × 0.7 =
  17. 17.0.31 × 2.4 =
  18. 18.6.8 × 0.17 =
  19. 19.0.7 × 1.2 =
  20. 20.9.7 × 0.25 =
  21. 21.0.98 × 2.3 =
  22. 22.0.65 × 1.1 =
  23. 23.2.7 × 0.25 =
  24. 24.1.8 × 0.38 =
  25. 25.4.3 × 3.9 =
  26. 26.0.94 × 1.5 =
  27. 27.0.28 × 3.3 =
  28. 28.4.2 × 3.9 =
  29. 29.0.6 × 0.28 =
  30. 30.0.84 × 0.5 =
  31. 31.0.77 × 2.9 =
  32. 32.0.61 × 3.4 =
  33. 33.6.9 × 0.35 =
  34. 34.0.58 × 2.7 =
  35. 35.0.84 × 2.4 =
  36. 36.1.4 × 3.9 =
  37. 37.0.27 × 1.4 =
  38. 38.0.8 × 0.05 =
  39. 39.0.94 × 2.3 =
  40. 40.1.2 × 0.08 =

Answer key

  1. 0.252
  2. 0.385
  3. 1.008
  4. 2.016
  5. 2.448
  6. 0.264
  7. 1.645
  8. 13.86
  9. 4.93
  10. 5.31
  11. 13.95
  12. 0.506
  13. 2.565
  14. 1.612
  15. 0.792
  16. 0.637
  17. 0.744
  18. 1.156
  19. 0.84
  20. 2.425
  21. 2.254
  22. 0.715
  23. 0.675
  24. 0.684
  25. 16.77
  26. 1.41
  27. 0.924
  28. 16.38
  29. 0.168
  30. 0.42
  31. 2.233
  32. 2.074
  33. 2.415
  34. 1.566
  35. 2.016
  36. 5.46
  37. 0.378
  38. 0.04
  39. 2.162
  40. 0.096

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