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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 304 · 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. 1.0.73 × 3.7 =
  2. 2.0.16 × 3.3 =
  3. 3.0.53 × 1.1 =
  4. 4.0.8 × 3.6 =
  5. 5.0.37 × 3.6 =
  6. 6.5.8 × 0.03 =
  7. 7.9.4 × 1.1 =
  8. 8.0.67 × 0.8 =
  9. 9.3.8 × 0.37 =
  10. 10.0.78 × 3.4 =
  11. 11.0.32 × 3.7 =
  12. 12.6.2 × 0.9 =
  13. 13.0.89 × 2.9 =
  14. 14.7.5 × 0.07 =
  15. 15.0.71 × 1.3 =
  16. 16.0.7 × 0.7 =
  17. 17.9.8 × 0.22 =
  18. 18.9.4 × 1.5 =
  19. 19.3.8 × 3.7 =
  20. 20.2.1 × 2.4 =
  21. 21.0.18 × 2.8 =
  22. 22.3.6 × 0.31 =
  23. 23.7.3 × 2.3 =
  24. 24.0.7 × 3.1 =
  25. 25.0.32 × 1.4 =
  26. 26.0.34 × 3.8 =
  27. 27.4.9 × 2.3 =
  28. 28.7.1 × 0.11 =
  29. 29.0.69 × 2.1 =
  30. 30.0.33 × 1.4 =
  31. 31.0.12 × 2.2 =
  32. 32.4.3 × 2.5 =
  33. 33.0.24 × 2.1 =
  34. 34.4.1 × 1.1 =
  35. 35.2.1 × 2.1 =
  36. 36.4.5 × 0.21 =
  37. 37.0.14 × 1.2 =
  38. 38.9.6 × 3.8 =
  39. 39.5.9 × 0.29 =
  40. 40.0.45 × 2.5 =

Answer key

  1. 2.701
  2. 0.528
  3. 0.583
  4. 2.88
  5. 1.332
  6. 0.174
  7. 10.34
  8. 0.536
  9. 1.406
  10. 2.652
  11. 1.184
  12. 5.58
  13. 2.581
  14. 0.525
  15. 0.923
  16. 0.49
  17. 2.156
  18. 14.1
  19. 14.06
  20. 5.04
  21. 0.504
  22. 1.116
  23. 16.79
  24. 2.17
  25. 0.448
  26. 1.292
  27. 11.27
  28. 0.781
  29. 1.449
  30. 0.462
  31. 0.264
  32. 10.75
  33. 0.504
  34. 4.51
  35. 4.41
  36. 0.945
  37. 0.168
  38. 36.48
  39. 1.711
  40. 1.125

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