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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 330 · 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. 1.9.2 × 0.24 =
  2. 2.8.4 × 2.2 =
  3. 3.0.02 × 0.6 =
  4. 4.0.94 × 3.4 =
  5. 5.0.83 × 2.1 =
  6. 6.1.1 × 1.6 =
  7. 7.2.3 × 0.19 =
  8. 8.0.71 × 3.3 =
  9. 9.0.41 × 2.1 =
  10. 10.0.48 × 0.8 =
  11. 11.0.34 × 1.7 =
  12. 12.0.79 × 1.1 =
  13. 13.8.2 × 0.38 =
  14. 14.6.1 × 0.05 =
  15. 15.0.52 × 3.2 =
  16. 16.8.4 × 1.8 =
  17. 17.0.71 × 1.1 =
  18. 18.1.5 × 1.1 =
  19. 19.0.14 × 2.2 =
  20. 20.4.4 × 2.2 =
  21. 21.0.41 × 2.4 =
  22. 22.5.4 × 0.14 =
  23. 23.0.27 × 0.3 =
  24. 24.0.03 × 0.2 =
  25. 25.1.1 × 0.6 =
  26. 26.0.09 × 0.5 =
  27. 27.0.79 × 2.1 =
  28. 28.0.29 × 1.2 =
  29. 29.2.3 × 3.1 =
  30. 30.8.1 × 0.28 =
  31. 31.2.7 × 2.6 =
  32. 32.2.5 × 1.2 =
  33. 33.4.8 × 1.3 =
  34. 34.0.8 × 3.5 =
  35. 35.0.96 × 2.3 =
  36. 36.4.9 × 0.24 =
  37. 37.2.7 × 1.1 =
  38. 38.0.31 × 1.1 =
  39. 39.0.49 × 0.6 =
  40. 40.0.77 × 0.8 =

Answer key

  1. 2.208
  2. 18.48
  3. 0.012
  4. 3.196
  5. 1.743
  6. 1.76
  7. 0.437
  8. 2.343
  9. 0.861
  10. 0.384
  11. 0.578
  12. 0.869
  13. 3.116
  14. 0.305
  15. 1.664
  16. 15.12
  17. 0.781
  18. 1.65
  19. 0.308
  20. 9.68
  21. 0.984
  22. 0.756
  23. 0.081
  24. 0.006
  25. 0.66
  26. 0.045
  27. 1.659
  28. 0.348
  29. 7.13
  30. 2.268
  31. 7.02
  32. 3
  33. 6.24
  34. 2.8
  35. 2.208
  36. 1.176
  37. 2.97
  38. 0.341
  39. 0.294
  40. 0.616

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