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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 592 · 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. 1.3.1 × 0.27 =
  2. 2.0.6 × 1.1 =
  3. 3.0.89 × 0.2 =
  4. 4.0.64 × 3.7 =
  5. 5.0.42 × 0.9 =
  6. 6.0.22 × 1.3 =
  7. 7.5.1 × 0.18 =
  8. 8.0.71 × 0.4 =
  9. 9.1.4 × 1.2 =
  10. 10.0.07 × 0.5 =
  11. 11.9.2 × 3.5 =
  12. 12.0.78 × 2.3 =
  13. 13.8.5 × 3.1 =
  14. 14.4.5 × 0.2 =
  15. 15.8.4 × 0.02 =
  16. 16.1.2 × 0.05 =
  17. 17.6.6 × 0.23 =
  18. 18.0.59 × 3.3 =
  19. 19.5.3 × 0.24 =
  20. 20.5.5 × 0.07 =
  21. 21.0.58 × 2.5 =
  22. 22.1.1 × 0.04 =
  23. 23.0.44 × 0.4 =
  24. 24.1.9 × 0.16 =
  25. 25.2.8 × 0.26 =
  26. 26.8.4 × 0.11 =
  27. 27.4.2 × 1.8 =
  28. 28.4.8 × 1.4 =
  29. 29.0.8 × 2.9 =
  30. 30.0.92 × 2.7 =
  31. 31.5.1 × 0.13 =
  32. 32.8.2 × 1.2 =
  33. 33.6.1 × 3.8 =
  34. 34.4.5 × 3.6 =
  35. 35.2.1 × 0.21 =
  36. 36.0.61 × 2.7 =
  37. 37.0.87 × 3.6 =
  38. 38.9.7 × 1.8 =
  39. 39.9.1 × 3.1 =
  40. 40.0.72 × 2.6 =

Answer key

  1. 0.837
  2. 0.66
  3. 0.178
  4. 2.368
  5. 0.378
  6. 0.286
  7. 0.918
  8. 0.284
  9. 1.68
  10. 0.035
  11. 32.2
  12. 1.794
  13. 26.35
  14. 0.9
  15. 0.168
  16. 0.06
  17. 1.518
  18. 1.947
  19. 1.272
  20. 0.385
  21. 1.45
  22. 0.044
  23. 0.176
  24. 0.304
  25. 0.728
  26. 0.924
  27. 7.56
  28. 6.72
  29. 2.32
  30. 2.484
  31. 0.663
  32. 9.84
  33. 23.18
  34. 16.2
  35. 0.441
  36. 1.647
  37. 3.132
  38. 17.46
  39. 28.21
  40. 1.872

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