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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 318 · 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. 1.0.56 × 2.1 =
  2. 2.8.9 × 3.8 =
  3. 3.2.3 × 3.7 =
  4. 4.6.6 × 0.29 =
  5. 5.7.7 × 0.31 =
  6. 6.0.4 × 0.13 =
  7. 7.0.66 × 1.6 =
  8. 8.7.3 × 0.16 =
  9. 9.0.65 × 1.6 =
  10. 10.2.3 × 0.38 =
  11. 11.2.4 × 0.3 =
  12. 12.4.6 × 3.4 =
  13. 13.4.2 × 3.1 =
  14. 14.0.07 × 3.1 =
  15. 15.2.7 × 0.32 =
  16. 16.0.07 × 2.8 =
  17. 17.0.94 × 3.9 =
  18. 18.1.1 × 0.02 =
  19. 19.4.1 × 0.13 =
  20. 20.0.57 × 1.8 =
  21. 21.6.5 × 0.8 =
  22. 22.0.46 × 3.7 =
  23. 23.0.09 × 2.8 =
  24. 24.6.7 × 0.12 =
  25. 25.0.81 × 0.3 =
  26. 26.8.8 × 0.31 =
  27. 27.0.37 × 0.8 =
  28. 28.0.7 × 3.2 =
  29. 29.3.3 × 1.4 =
  30. 30.7.7 × 0.08 =
  31. 31.0.55 × 2.9 =
  32. 32.0.21 × 0.2 =
  33. 33.0.58 × 3.8 =
  34. 34.3.2 × 1.7 =
  35. 35.6.4 × 0.5 =
  36. 36.9.1 × 0.23 =
  37. 37.7.1 × 0.06 =
  38. 38.0.61 × 1.1 =
  39. 39.0.87 × 3.4 =
  40. 40.8.6 × 0.02 =

Answer key

  1. 1.176
  2. 33.82
  3. 8.51
  4. 1.914
  5. 2.387
  6. 0.052
  7. 1.056
  8. 1.168
  9. 1.04
  10. 0.874
  11. 0.72
  12. 15.64
  13. 13.02
  14. 0.217
  15. 0.864
  16. 0.196
  17. 3.666
  18. 0.022
  19. 0.533
  20. 1.026
  21. 5.2
  22. 1.702
  23. 0.252
  24. 0.804
  25. 0.243
  26. 2.728
  27. 0.296
  28. 2.24
  29. 4.62
  30. 0.616
  31. 1.595
  32. 0.042
  33. 2.204
  34. 5.44
  35. 3.2
  36. 2.093
  37. 0.426
  38. 0.671
  39. 2.958
  40. 0.172

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