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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 707 · 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. 1.0.06 × 0.9 =
  2. 2.0.29 × 1.1 =
  3. 3.0.39 × 3.2 =
  4. 4.0.87 × 1.4 =
  5. 5.3.4 × 0.31 =
  6. 6.0.9 × 0.39 =
  7. 7.0.81 × 2.1 =
  8. 8.0.24 × 3.1 =
  9. 9.0.73 × 3.9 =
  10. 10.0.62 × 3.2 =
  11. 11.0.05 × 3.3 =
  12. 12.0.83 × 0.5 =
  13. 13.4.6 × 0.6 =
  14. 14.0.6 × 0.03 =
  15. 15.0.3 × 3.4 =
  16. 16.0.23 × 0.3 =
  17. 17.6.6 × 0.8 =
  18. 18.5.2 × 0.11 =
  19. 19.0.69 × 1.3 =
  20. 20.8.5 × 0.8 =
  21. 21.0.69 × 2.1 =
  22. 22.5.2 × 1.3 =
  23. 23.1.3 × 1.8 =
  24. 24.0.04 × 2.5 =
  25. 25.0.11 × 2.1 =
  26. 26.0.32 × 2.5 =
  27. 27.0.02 × 0.5 =
  28. 28.1.9 × 3.6 =
  29. 29.2.5 × 0.33 =
  30. 30.0.41 × 1.5 =
  31. 31.8.4 × 0.09 =
  32. 32.0.35 × 0.6 =
  33. 33.0.92 × 0.9 =
  34. 34.4.1 × 3.2 =
  35. 35.2.3 × 2.8 =
  36. 36.0.98 × 2.1 =
  37. 37.0.08 × 3.2 =
  38. 38.0.86 × 0.8 =
  39. 39.0.6 × 1.1 =
  40. 40.0.56 × 2.2 =

Answer key

  1. 0.054
  2. 0.319
  3. 1.248
  4. 1.218
  5. 1.054
  6. 0.351
  7. 1.701
  8. 0.744
  9. 2.847
  10. 1.984
  11. 0.165
  12. 0.415
  13. 2.76
  14. 0.018
  15. 1.02
  16. 0.069
  17. 5.28
  18. 0.572
  19. 0.897
  20. 6.8
  21. 1.449
  22. 6.76
  23. 2.34
  24. 0.1
  25. 0.231
  26. 0.8
  27. 0.01
  28. 6.84
  29. 0.825
  30. 0.615
  31. 0.756
  32. 0.21
  33. 0.828
  34. 13.12
  35. 6.44
  36. 2.058
  37. 0.256
  38. 0.688
  39. 0.66
  40. 1.232

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