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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 119 · 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. 1.0.43 × 1.2 =
  2. 2.6.7 × 0.5 =
  3. 3.0.86 × 3.4 =
  4. 4.0.06 × 0.3 =
  5. 5.7.1 × 0.39 =
  6. 6.0.74 × 1.4 =
  7. 7.8.1 × 0.06 =
  8. 8.0.93 × 1.8 =
  9. 9.6.4 × 1.1 =
  10. 10.8.4 × 3.1 =
  11. 11.1.5 × 3.1 =
  12. 12.0.2 × 0.24 =
  13. 13.0.77 × 0.5 =
  14. 14.0.31 × 1.7 =
  15. 15.3.3 × 0.26 =
  16. 16.9.6 × 0.5 =
  17. 17.0.52 × 2.6 =
  18. 18.0.51 × 0.4 =
  19. 19.0.61 × 1.4 =
  20. 20.0.99 × 0.8 =
  21. 21.2.1 × 0.03 =
  22. 22.0.08 × 0.6 =
  23. 23.0.63 × 0.6 =
  24. 24.0.43 × 1.2 =
  25. 25.2.8 × 3.3 =
  26. 26.5.4 × 0.12 =
  27. 27.0.42 × 3.8 =
  28. 28.4.1 × 0.2 =
  29. 29.4.4 × 0.03 =
  30. 30.3.1 × 3.1 =
  31. 31.0.56 × 0.6 =
  32. 32.1.5 × 1.1 =
  33. 33.0.54 × 3.5 =
  34. 34.0.45 × 3.6 =
  35. 35.1.1 × 3.4 =
  36. 36.7.1 × 2.7 =
  37. 37.1.8 × 3.1 =
  38. 38.6.6 × 2.9 =
  39. 39.2.4 × 1.1 =
  40. 40.0.58 × 0.5 =

Answer key

  1. 0.516
  2. 3.35
  3. 2.924
  4. 0.018
  5. 2.769
  6. 1.036
  7. 0.486
  8. 1.674
  9. 7.04
  10. 26.04
  11. 4.65
  12. 0.048
  13. 0.385
  14. 0.527
  15. 0.858
  16. 4.8
  17. 1.352
  18. 0.204
  19. 0.854
  20. 0.792
  21. 0.063
  22. 0.048
  23. 0.378
  24. 0.516
  25. 9.24
  26. 0.648
  27. 1.596
  28. 0.82
  29. 0.132
  30. 9.61
  31. 0.336
  32. 1.65
  33. 1.89
  34. 1.62
  35. 3.74
  36. 19.17
  37. 5.58
  38. 19.14
  39. 2.64
  40. 0.29

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