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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 296 · 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. 1.0.48 × 0.9 =
  2. 2.6.2 × 3.2 =
  3. 3.0.21 × 1.3 =
  4. 4.0.12 × 3.2 =
  5. 5.0.4 × 0.36 =
  6. 6.0.35 × 0.4 =
  7. 7.0.81 × 3.8 =
  8. 8.0.07 × 1.9 =
  9. 9.1.6 × 0.3 =
  10. 10.0.07 × 1.1 =
  11. 11.0.32 × 1.3 =
  12. 12.4.7 × 3.4 =
  13. 13.4.7 × 0.28 =
  14. 14.9.3 × 1.3 =
  15. 15.5.1 × 0.26 =
  16. 16.0.09 × 1.1 =
  17. 17.0.72 × 0.9 =
  18. 18.0.9 × 0.6 =
  19. 19.9.1 × 0.34 =
  20. 20.0.12 × 2.3 =
  21. 21.2.9 × 3.2 =
  22. 22.0.99 × 3.5 =
  23. 23.4.2 × 0.28 =
  24. 24.0.73 × 1.5 =
  25. 25.9.4 × 0.31 =
  26. 26.0.73 × 3.4 =
  27. 27.5.7 × 0.11 =
  28. 28.6.1 × 0.07 =
  29. 29.2.9 × 3.9 =
  30. 30.8.4 × 0.24 =
  31. 31.5.7 × 0.19 =
  32. 32.0.55 × 2.3 =
  33. 33.7.1 × 0.15 =
  34. 34.6.8 × 0.5 =
  35. 35.6.2 × 1.6 =
  36. 36.8.3 × 1.8 =
  37. 37.8.4 × 0.17 =
  38. 38.0.18 × 3.1 =
  39. 39.8.8 × 3.1 =
  40. 40.0.56 × 1.1 =

Answer key

  1. 0.432
  2. 19.84
  3. 0.273
  4. 0.384
  5. 0.144
  6. 0.14
  7. 3.078
  8. 0.133
  9. 0.48
  10. 0.077
  11. 0.416
  12. 15.98
  13. 1.316
  14. 12.09
  15. 1.326
  16. 0.099
  17. 0.648
  18. 0.54
  19. 3.094
  20. 0.276
  21. 9.28
  22. 3.465
  23. 1.176
  24. 1.095
  25. 2.914
  26. 2.482
  27. 0.627
  28. 0.427
  29. 11.31
  30. 2.016
  31. 1.083
  32. 1.265
  33. 1.065
  34. 3.4
  35. 9.92
  36. 14.94
  37. 1.428
  38. 0.558
  39. 27.28
  40. 0.616

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