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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 58 · 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. 1.0.05 × 1.1 =
  2. 2.6.5 × 0.26 =
  3. 3.0.95 × 0.7 =
  4. 4.0.89 × 2.1 =
  5. 5.0.81 × 1.3 =
  6. 6.2.8 × 0.4 =
  7. 7.0.3 × 0.35 =
  8. 8.0.48 × 0.3 =
  9. 9.0.34 × 1.7 =
  10. 10.1.6 × 3.8 =
  11. 11.2.7 × 1.5 =
  12. 12.3.2 × 1.2 =
  13. 13.1.7 × 0.11 =
  14. 14.0.41 × 0.9 =
  15. 15.5.1 × 0.32 =
  16. 16.6.7 × 0.5 =
  17. 17.1.9 × 1.7 =
  18. 18.0.07 × 0.5 =
  19. 19.0.72 × 2.5 =
  20. 20.0.83 × 2.1 =
  21. 21.0.71 × 1.9 =
  22. 22.0.58 × 1.3 =
  23. 23.0.63 × 1.9 =
  24. 24.0.46 × 0.5 =
  25. 25.5.3 × 0.08 =
  26. 26.0.42 × 0.4 =
  27. 27.2.7 × 0.04 =
  28. 28.6.1 × 0.3 =
  29. 29.0.09 × 2.5 =
  30. 30.2.9 × 2.8 =
  31. 31.0.46 × 3.6 =
  32. 32.0.02 × 2.3 =
  33. 33.2.7 × 1.9 =
  34. 34.8.1 × 0.08 =
  35. 35.2.7 × 1.4 =
  36. 36.4.1 × 2.7 =
  37. 37.6.3 × 0.11 =
  38. 38.5.9 × 0.3 =
  39. 39.0.21 × 3.3 =
  40. 40.0.6 × 2.6 =

Answer key

  1. 0.055
  2. 1.69
  3. 0.665
  4. 1.869
  5. 1.053
  6. 1.12
  7. 0.105
  8. 0.144
  9. 0.578
  10. 6.08
  11. 4.05
  12. 3.84
  13. 0.187
  14. 0.369
  15. 1.632
  16. 3.35
  17. 3.23
  18. 0.035
  19. 1.8
  20. 1.743
  21. 1.349
  22. 0.754
  23. 1.197
  24. 0.23
  25. 0.424
  26. 0.168
  27. 0.108
  28. 1.83
  29. 0.225
  30. 8.12
  31. 1.656
  32. 0.046
  33. 5.13
  34. 0.648
  35. 3.78
  36. 11.07
  37. 0.693
  38. 1.77
  39. 0.693
  40. 1.56

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