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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 560 · 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. 1.0.39 × 1.6 =
  2. 2.2.7 × 3.4 =
  3. 3.9.7 × 0.29 =
  4. 4.7.5 × 0.03 =
  5. 5.0.63 × 0.4 =
  6. 6.0.06 × 3.1 =
  7. 7.0.8 × 2.9 =
  8. 8.0.83 × 1.8 =
  9. 9.0.47 × 2.6 =
  10. 10.0.33 × 0.4 =
  11. 11.4.8 × 0.34 =
  12. 12.0.25 × 2.5 =
  13. 13.0.85 × 3.5 =
  14. 14.0.37 × 1.2 =
  15. 15.5.6 × 3.3 =
  16. 16.0.65 × 3.9 =
  17. 17.0.7 × 1.2 =
  18. 18.5.6 × 1.4 =
  19. 19.2.2 × 0.14 =
  20. 20.0.11 × 3.9 =
  21. 21.1.1 × 0.31 =
  22. 22.0.36 × 1.9 =
  23. 23.0.45 × 1.2 =
  24. 24.1.1 × 0.04 =
  25. 25.3.1 × 2.8 =
  26. 26.2.5 × 0.4 =
  27. 27.4.1 × 0.15 =
  28. 28.0.46 × 0.9 =
  29. 29.0.15 × 3.3 =
  30. 30.0.64 × 3.7 =
  31. 31.1.2 × 1.3 =
  32. 32.0.45 × 3.7 =
  33. 33.2.3 × 0.09 =
  34. 34.7.6 × 1.6 =
  35. 35.7.1 × 0.21 =
  36. 36.9.8 × 1.1 =
  37. 37.0.14 × 2.9 =
  38. 38.0.75 × 0.8 =
  39. 39.0.64 × 0.7 =
  40. 40.8.3 × 0.09 =

Answer key

  1. 0.624
  2. 9.18
  3. 2.813
  4. 0.225
  5. 0.252
  6. 0.186
  7. 2.32
  8. 1.494
  9. 1.222
  10. 0.132
  11. 1.632
  12. 0.625
  13. 2.975
  14. 0.444
  15. 18.48
  16. 2.535
  17. 0.84
  18. 7.84
  19. 0.308
  20. 0.429
  21. 0.341
  22. 0.684
  23. 0.54
  24. 0.044
  25. 8.68
  26. 1
  27. 0.615
  28. 0.414
  29. 0.495
  30. 2.368
  31. 1.56
  32. 1.665
  33. 0.207
  34. 12.16
  35. 1.491
  36. 10.78
  37. 0.406
  38. 0.6
  39. 0.448
  40. 0.747

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