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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 181 · 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. 1.0.85 × 2.9 =
  2. 2.0.07 × 2.7 =
  3. 3.0.06 × 1.1 =
  4. 4.6.4 × 0.09 =
  5. 5.5.7 × 3.6 =
  6. 6.0.65 × 1.6 =
  7. 7.0.69 × 0.7 =
  8. 8.1.5 × 0.3 =
  9. 9.0.21 × 0.4 =
  10. 10.8.6 × 1.1 =
  11. 11.3.9 × 2.7 =
  12. 12.0.3 × 1.2 =
  13. 13.0.5 × 2.1 =
  14. 14.0.17 × 1.8 =
  15. 15.9.9 × 0.22 =
  16. 16.8.5 × 0.04 =
  17. 17.0.04 × 1.9 =
  18. 18.6.1 × 0.29 =
  19. 19.2.7 × 0.07 =
  20. 20.9.7 × 3.3 =
  21. 21.1.6 × 3.7 =
  22. 22.0.43 × 3.4 =
  23. 23.3.1 × 1.7 =
  24. 24.8.6 × 1.1 =
  25. 25.0.31 × 2.4 =
  26. 26.2.2 × 1.3 =
  27. 27.0.61 × 0.3 =
  28. 28.0.67 × 0.8 =
  29. 29.5.3 × 0.26 =
  30. 30.6.2 × 2.1 =
  31. 31.6.3 × 3.2 =
  32. 32.2.3 × 1.1 =
  33. 33.3.7 × 0.15 =
  34. 34.4.3 × 1.4 =
  35. 35.0.76 × 3.8 =
  36. 36.5.7 × 0.06 =
  37. 37.0.92 × 0.3 =
  38. 38.4.4 × 0.28 =
  39. 39.4.1 × 0.11 =
  40. 40.7.4 × 3.6 =

Answer key

  1. 2.465
  2. 0.189
  3. 0.066
  4. 0.576
  5. 20.52
  6. 1.04
  7. 0.483
  8. 0.45
  9. 0.084
  10. 9.46
  11. 10.53
  12. 0.36
  13. 1.05
  14. 0.306
  15. 2.178
  16. 0.34
  17. 0.076
  18. 1.769
  19. 0.189
  20. 32.01
  21. 5.92
  22. 1.462
  23. 5.27
  24. 9.46
  25. 0.744
  26. 2.86
  27. 0.183
  28. 0.536
  29. 1.378
  30. 13.02
  31. 20.16
  32. 2.53
  33. 0.555
  34. 6.02
  35. 2.888
  36. 0.342
  37. 0.276
  38. 1.232
  39. 0.451
  40. 26.64

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