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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 663 · 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. 1.0.43 × 0.4 =
  2. 2.0.89 × 2.5 =
  3. 3.0.7 × 0.17 =
  4. 4.0.77 × 3.5 =
  5. 5.2.7 × 0.12 =
  6. 6.8.7 × 3.1 =
  7. 7.5.9 × 0.15 =
  8. 8.0.4 × 3.6 =
  9. 9.2.9 × 0.04 =
  10. 10.5.5 × 0.2 =
  11. 11.9.7 × 0.02 =
  12. 12.0.25 × 1.5 =
  13. 13.8.5 × 2.4 =
  14. 14.0.47 × 2.3 =
  15. 15.1.9 × 0.04 =
  16. 16.0.35 × 0.6 =
  17. 17.0.58 × 3.9 =
  18. 18.0.8 × 0.11 =
  19. 19.5.4 × 2.7 =
  20. 20.3.6 × 0.8 =
  21. 21.2.5 × 3.2 =
  22. 22.0.84 × 2.7 =
  23. 23.0.38 × 0.8 =
  24. 24.0.73 × 1.9 =
  25. 25.0.4 × 0.18 =
  26. 26.0.55 × 2.4 =
  27. 27.3.8 × 0.09 =
  28. 28.8.5 × 2.8 =
  29. 29.0.23 × 1.2 =
  30. 30.0.23 × 2.8 =
  31. 31.0.22 × 1.1 =
  32. 32.0.72 × 3.3 =
  33. 33.0.03 × 1.7 =
  34. 34.5.7 × 0.2 =
  35. 35.0.15 × 1.7 =
  36. 36.0.76 × 3.5 =
  37. 37.0.27 × 2.1 =
  38. 38.8.8 × 2.2 =
  39. 39.0.23 × 0.9 =
  40. 40.0.75 × 0.3 =

Answer key

  1. 0.172
  2. 2.225
  3. 0.119
  4. 2.695
  5. 0.324
  6. 26.97
  7. 0.885
  8. 1.44
  9. 0.116
  10. 1.1
  11. 0.194
  12. 0.375
  13. 20.4
  14. 1.081
  15. 0.076
  16. 0.21
  17. 2.262
  18. 0.088
  19. 14.58
  20. 2.88
  21. 8
  22. 2.268
  23. 0.304
  24. 1.387
  25. 0.072
  26. 1.32
  27. 0.342
  28. 23.8
  29. 0.276
  30. 0.644
  31. 0.242
  32. 2.376
  33. 0.051
  34. 1.14
  35. 0.255
  36. 2.66
  37. 0.567
  38. 19.36
  39. 0.207
  40. 0.225

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