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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 527 · 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. 1.0.2 × 1.1 =
  2. 2.0.39 × 3.8 =
  3. 3.4.4 × 2.5 =
  4. 4.0.14 × 2.1 =
  5. 5.0.44 × 3.9 =
  6. 6.4.7 × 0.12 =
  7. 7.5.8 × 0.03 =
  8. 8.1.1 × 3.8 =
  9. 9.0.05 × 3.1 =
  10. 10.8.2 × 0.34 =
  11. 11.0.9 × 0.22 =
  12. 12.0.3 × 0.05 =
  13. 13.2.3 × 1.1 =
  14. 14.0.81 × 2.8 =
  15. 15.4.7 × 0.32 =
  16. 16.0.65 × 0.8 =
  17. 17.0.04 × 2.2 =
  18. 18.0.13 × 3.8 =
  19. 19.0.37 × 3.2 =
  20. 20.0.6 × 0.31 =
  21. 21.0.71 × 0.8 =
  22. 22.0.34 × 3.3 =
  23. 23.0.45 × 1.8 =
  24. 24.0.89 × 1.3 =
  25. 25.0.58 × 1.9 =
  26. 26.2.2 × 0.06 =
  27. 27.6.5 × 1.1 =
  28. 28.4.4 × 0.25 =
  29. 29.0.67 × 1.8 =
  30. 30.5.6 × 0.18 =
  31. 31.5.5 × 0.28 =
  32. 32.6.5 × 0.08 =
  33. 33.0.43 × 2.9 =
  34. 34.0.57 × 0.8 =
  35. 35.0.3 × 0.11 =
  36. 36.0.29 × 1.9 =
  37. 37.5.5 × 2.3 =
  38. 38.3.3 × 2.3 =
  39. 39.0.15 × 0.3 =
  40. 40.0.41 × 2.8 =

Answer key

  1. 0.22
  2. 1.482
  3. 11
  4. 0.294
  5. 1.716
  6. 0.564
  7. 0.174
  8. 4.18
  9. 0.155
  10. 2.788
  11. 0.198
  12. 0.015
  13. 2.53
  14. 2.268
  15. 1.504
  16. 0.52
  17. 0.088
  18. 0.494
  19. 1.184
  20. 0.186
  21. 0.568
  22. 1.122
  23. 0.81
  24. 1.157
  25. 1.102
  26. 0.132
  27. 7.15
  28. 1.1
  29. 1.206
  30. 1.008
  31. 1.54
  32. 0.52
  33. 1.247
  34. 0.456
  35. 0.033
  36. 0.551
  37. 12.65
  38. 7.59
  39. 0.045
  40. 1.148

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