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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 204 · 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. 1.0.93 × 0.5 =
  2. 2.0.33 × 0.3 =
  3. 3.0.08 × 0.8 =
  4. 4.4.9 × 3.1 =
  5. 5.7.1 × 1.4 =
  6. 6.0.48 × 0.2 =
  7. 7.0.5 × 1.1 =
  8. 8.0.22 × 3.3 =
  9. 9.0.17 × 2.1 =
  10. 10.0.23 × 3.3 =
  11. 11.1.2 × 1.7 =
  12. 12.0.18 × 1.1 =
  13. 13.0.47 × 1.4 =
  14. 14.0.08 × 3.1 =
  15. 15.2.9 × 3.3 =
  16. 16.0.8 × 0.14 =
  17. 17.0.82 × 2.1 =
  18. 18.0.38 × 1.7 =
  19. 19.0.76 × 3.8 =
  20. 20.9.1 × 1.2 =
  21. 21.1.9 × 2.1 =
  22. 22.0.26 × 0.9 =
  23. 23.3.9 × 0.04 =
  24. 24.0.6 × 0.33 =
  25. 25.0.16 × 0.8 =
  26. 26.6.3 × 0.31 =
  27. 27.0.26 × 1.1 =
  28. 28.0.31 × 0.4 =
  29. 29.3.8 × 3.4 =
  30. 30.0.24 × 2.5 =
  31. 31.0.35 × 1.6 =
  32. 32.8.2 × 2.7 =
  33. 33.0.57 × 0.3 =
  34. 34.0.6 × 0.29 =
  35. 35.0.31 × 1.9 =
  36. 36.1.8 × 2.2 =
  37. 37.0.74 × 0.7 =
  38. 38.0.51 × 1.1 =
  39. 39.3.1 × 0.19 =
  40. 40.0.7 × 0.06 =

Answer key

  1. 0.465
  2. 0.099
  3. 0.064
  4. 15.19
  5. 9.94
  6. 0.096
  7. 0.55
  8. 0.726
  9. 0.357
  10. 0.759
  11. 2.04
  12. 0.198
  13. 0.658
  14. 0.248
  15. 9.57
  16. 0.112
  17. 1.722
  18. 0.646
  19. 2.888
  20. 10.92
  21. 3.99
  22. 0.234
  23. 0.156
  24. 0.198
  25. 0.128
  26. 1.953
  27. 0.286
  28. 0.124
  29. 12.92
  30. 0.6
  31. 0.56
  32. 22.14
  33. 0.171
  34. 0.174
  35. 0.589
  36. 3.96
  37. 0.518
  38. 0.561
  39. 0.589
  40. 0.042

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