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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 959 · 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. 1.0.72 × 2.4 =
  2. 2.0.41 × 1.6 =
  3. 3.8.7 × 1.8 =
  4. 4.0.22 × 3.6 =
  5. 5.0.52 × 1.2 =
  6. 6.0.52 × 1.1 =
  7. 7.3.3 × 0.12 =
  8. 8.3.3 × 0.03 =
  9. 9.0.28 × 1.1 =
  10. 10.0.12 × 3.3 =
  11. 11.0.31 × 2.5 =
  12. 12.0.77 × 0.6 =
  13. 13.0.98 × 1.1 =
  14. 14.3.4 × 0.22 =
  15. 15.8.5 × 2.5 =
  16. 16.0.29 × 2.5 =
  17. 17.0.24 × 1.1 =
  18. 18.0.93 × 1.4 =
  19. 19.7.9 × 1.1 =
  20. 20.0.84 × 1.1 =
  21. 21.1.8 × 1.2 =
  22. 22.0.72 × 1.4 =
  23. 23.9.7 × 1.5 =
  24. 24.4.9 × 0.2 =
  25. 25.9.7 × 2.4 =
  26. 26.4.2 × 0.33 =
  27. 27.1.3 × 3.1 =
  28. 28.0.88 × 0.9 =
  29. 29.0.85 × 3.8 =
  30. 30.2.4 × 0.8 =
  31. 31.0.51 × 1.8 =
  32. 32.3.7 × 0.29 =
  33. 33.0.03 × 1.3 =
  34. 34.0.53 × 3.5 =
  35. 35.5.7 × 0.3 =
  36. 36.8.1 × 0.25 =
  37. 37.7.6 × 0.27 =
  38. 38.6.1 × 0.31 =
  39. 39.6.9 × 0.8 =
  40. 40.0.44 × 1.3 =

Answer key

  1. 1.728
  2. 0.656
  3. 15.66
  4. 0.792
  5. 0.624
  6. 0.572
  7. 0.396
  8. 0.099
  9. 0.308
  10. 0.396
  11. 0.775
  12. 0.462
  13. 1.078
  14. 0.748
  15. 21.25
  16. 0.725
  17. 0.264
  18. 1.302
  19. 8.69
  20. 0.924
  21. 2.16
  22. 1.008
  23. 14.55
  24. 0.98
  25. 23.28
  26. 1.386
  27. 4.03
  28. 0.792
  29. 3.23
  30. 1.92
  31. 0.918
  32. 1.073
  33. 0.039
  34. 1.855
  35. 1.71
  36. 2.025
  37. 2.052
  38. 1.891
  39. 5.52
  40. 0.572

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