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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 336 · 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. 1.9.3 × 2.8 =
  2. 2.2.7 × 0.28 =
  3. 3.0.17 × 2.6 =
  4. 4.0.17 × 1.6 =
  5. 5.2.1 × 2.2 =
  6. 6.0.63 × 0.2 =
  7. 7.5.4 × 0.37 =
  8. 8.0.9 × 0.23 =
  9. 9.0.33 × 3.1 =
  10. 10.5.2 × 0.39 =
  11. 11.0.41 × 2.5 =
  12. 12.1.6 × 0.29 =
  13. 13.0.27 × 0.9 =
  14. 14.0.69 × 3.6 =
  15. 15.6.1 × 2.9 =
  16. 16.8.9 × 0.12 =
  17. 17.1.7 × 0.26 =
  18. 18.4.1 × 3.1 =
  19. 19.0.97 × 0.8 =
  20. 20.2.4 × 0.21 =
  21. 21.0.03 × 2.2 =
  22. 22.8.1 × 0.4 =
  23. 23.4.6 × 0.23 =
  24. 24.0.24 × 1.1 =
  25. 25.0.84 × 2.6 =
  26. 26.8.9 × 3.9 =
  27. 27.2.8 × 0.25 =
  28. 28.0.21 × 0.5 =
  29. 29.0.85 × 2.5 =
  30. 30.5.3 × 2.4 =
  31. 31.8.5 × 3.9 =
  32. 32.0.6 × 0.25 =
  33. 33.0.8 × 0.19 =
  34. 34.0.17 × 1.3 =
  35. 35.0.6 × 1.8 =
  36. 36.0.97 × 0.3 =
  37. 37.5.3 × 0.2 =
  38. 38.0.6 × 0.11 =
  39. 39.0.46 × 0.6 =
  40. 40.0.85 × 1.4 =

Answer key

  1. 26.04
  2. 0.756
  3. 0.442
  4. 0.272
  5. 4.62
  6. 0.126
  7. 1.998
  8. 0.207
  9. 1.023
  10. 2.028
  11. 1.025
  12. 0.464
  13. 0.243
  14. 2.484
  15. 17.69
  16. 1.068
  17. 0.442
  18. 12.71
  19. 0.776
  20. 0.504
  21. 0.066
  22. 3.24
  23. 1.058
  24. 0.264
  25. 2.184
  26. 34.71
  27. 0.7
  28. 0.105
  29. 2.125
  30. 12.72
  31. 33.15
  32. 0.15
  33. 0.152
  34. 0.221
  35. 1.08
  36. 0.291
  37. 1.06
  38. 0.066
  39. 0.276
  40. 1.19

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