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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 864 · 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. 1.8.1 × 2.6 =
  2. 2.7.5 × 3.5 =
  3. 3.0.11 × 0.3 =
  4. 4.3.5 × 0.21 =
  5. 5.0.88 × 2.8 =
  6. 6.1.1 × 0.4 =
  7. 7.0.44 × 0.8 =
  8. 8.9.7 × 0.27 =
  9. 9.0.55 × 1.9 =
  10. 10.3.5 × 2.8 =
  11. 11.2.9 × 0.28 =
  12. 12.0.88 × 0.3 =
  13. 13.5.5 × 3.8 =
  14. 14.2.9 × 2.8 =
  15. 15.0.75 × 0.6 =
  16. 16.0.14 × 2.1 =
  17. 17.0.21 × 3.8 =
  18. 18.9.8 × 0.24 =
  19. 19.5.9 × 0.31 =
  20. 20.6.1 × 3.9 =
  21. 21.1.5 × 0.16 =
  22. 22.6.8 × 0.31 =
  23. 23.0.49 × 1.2 =
  24. 24.6.2 × 0.07 =
  25. 25.2.9 × 0.2 =
  26. 26.5.6 × 0.9 =
  27. 27.2.5 × 1.7 =
  28. 28.0.37 × 2.7 =
  29. 29.0.66 × 2.9 =
  30. 30.0.69 × 2.1 =
  31. 31.0.4 × 1.5 =
  32. 32.0.46 × 0.7 =
  33. 33.8.9 × 0.2 =
  34. 34.0.63 × 3.4 =
  35. 35.0.08 × 0.6 =
  36. 36.1.3 × 0.31 =
  37. 37.5.1 × 0.4 =
  38. 38.1.8 × 3.9 =
  39. 39.3.8 × 1.3 =
  40. 40.0.6 × 0.13 =

Answer key

  1. 21.06
  2. 26.25
  3. 0.033
  4. 0.735
  5. 2.464
  6. 0.44
  7. 0.352
  8. 2.619
  9. 1.045
  10. 9.8
  11. 0.812
  12. 0.264
  13. 20.9
  14. 8.12
  15. 0.45
  16. 0.294
  17. 0.798
  18. 2.352
  19. 1.829
  20. 23.79
  21. 0.24
  22. 2.108
  23. 0.588
  24. 0.434
  25. 0.58
  26. 5.04
  27. 4.25
  28. 0.999
  29. 1.914
  30. 1.449
  31. 0.6
  32. 0.322
  33. 1.78
  34. 2.142
  35. 0.048
  36. 0.403
  37. 2.04
  38. 7.02
  39. 4.94
  40. 0.078

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