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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 445 · 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. 1.3.9 × 1.4 =
  2. 2.0.92 × 3.9 =
  3. 3.0.66 × 1.6 =
  4. 4.0.84 × 1.4 =
  5. 5.0.03 × 1.7 =
  6. 6.0.55 × 1.8 =
  7. 7.0.58 × 3.3 =
  8. 8.3.5 × 3.1 =
  9. 9.0.74 × 3.8 =
  10. 10.7.4 × 0.15 =
  11. 11.4.1 × 0.31 =
  12. 12.0.29 × 2.2 =
  13. 13.2.9 × 2.6 =
  14. 14.3.5 × 1.4 =
  15. 15.0.13 × 2.4 =
  16. 16.0.22 × 0.7 =
  17. 17.0.32 × 3.4 =
  18. 18.0.9 × 0.24 =
  19. 19.0.2 × 0.21 =
  20. 20.0.58 × 1.4 =
  21. 21.9.8 × 1.5 =
  22. 22.4.6 × 1.2 =
  23. 23.8.9 × 3.2 =
  24. 24.0.43 × 3.8 =
  25. 25.0.31 × 1.1 =
  26. 26.6.4 × 1.9 =
  27. 27.0.32 × 1.6 =
  28. 28.0.17 × 2.4 =
  29. 29.0.29 × 1.3 =
  30. 30.0.77 × 1.1 =
  31. 31.2.1 × 2.5 =
  32. 32.2.5 × 0.31 =
  33. 33.9.7 × 2.4 =
  34. 34.0.58 × 3.1 =
  35. 35.0.79 × 2.5 =
  36. 36.2.4 × 0.6 =
  37. 37.6.5 × 0.21 =
  38. 38.0.49 × 1.5 =
  39. 39.0.81 × 0.3 =
  40. 40.5.8 × 0.17 =

Answer key

  1. 5.46
  2. 3.588
  3. 1.056
  4. 1.176
  5. 0.051
  6. 0.99
  7. 1.914
  8. 10.85
  9. 2.812
  10. 1.11
  11. 1.271
  12. 0.638
  13. 7.54
  14. 4.9
  15. 0.312
  16. 0.154
  17. 1.088
  18. 0.216
  19. 0.042
  20. 0.812
  21. 14.7
  22. 5.52
  23. 28.48
  24. 1.634
  25. 0.341
  26. 12.16
  27. 0.512
  28. 0.408
  29. 0.377
  30. 0.847
  31. 5.25
  32. 0.775
  33. 23.28
  34. 1.798
  35. 1.975
  36. 1.44
  37. 1.365
  38. 0.735
  39. 0.243
  40. 0.986

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