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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 15 · 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. 1.0.3 × 0.25 =
  2. 2.0.96 × 0.9 =
  3. 3.7.3 × 0.31 =
  4. 4.7.5 × 0.06 =
  5. 5.6.7 × 0.38 =
  6. 6.0.93 × 2.5 =
  7. 7.1.1 × 0.31 =
  8. 8.0.73 × 2.5 =
  9. 9.0.28 × 2.1 =
  10. 10.0.31 × 0.5 =
  11. 11.1.8 × 0.28 =
  12. 12.0.57 × 0.9 =
  13. 13.0.51 × 1.6 =
  14. 14.0.53 × 0.7 =
  15. 15.7.2 × 0.4 =
  16. 16.0.74 × 1.8 =
  17. 17.2.7 × 0.35 =
  18. 18.3.1 × 0.32 =
  19. 19.0.53 × 3.1 =
  20. 20.0.39 × 3.3 =
  21. 21.0.21 × 0.8 =
  22. 22.0.96 × 2.1 =
  23. 23.0.27 × 0.9 =
  24. 24.0.43 × 3.8 =
  25. 25.3.8 × 1.8 =
  26. 26.9.5 × 3.2 =
  27. 27.1.1 × 0.07 =
  28. 28.5.2 × 0.08 =
  29. 29.0.23 × 0.9 =
  30. 30.0.38 × 2.1 =
  31. 31.0.14 × 2.1 =
  32. 32.0.67 × 3.7 =
  33. 33.0.46 × 2.7 =
  34. 34.5.9 × 2.3 =
  35. 35.0.96 × 3.7 =
  36. 36.5.3 × 0.4 =
  37. 37.0.61 × 3.3 =
  38. 38.7.1 × 2.5 =
  39. 39.0.97 × 2.9 =
  40. 40.0.32 × 1.6 =

Answer key

  1. 0.075
  2. 0.864
  3. 2.263
  4. 0.45
  5. 2.546
  6. 2.325
  7. 0.341
  8. 1.825
  9. 0.588
  10. 0.155
  11. 0.504
  12. 0.513
  13. 0.816
  14. 0.371
  15. 2.88
  16. 1.332
  17. 0.945
  18. 0.992
  19. 1.643
  20. 1.287
  21. 0.168
  22. 2.016
  23. 0.243
  24. 1.634
  25. 6.84
  26. 30.4
  27. 0.077
  28. 0.416
  29. 0.207
  30. 0.798
  31. 0.294
  32. 2.479
  33. 1.242
  34. 13.57
  35. 3.552
  36. 2.12
  37. 2.013
  38. 17.75
  39. 2.813
  40. 0.512

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