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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 685 · 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. 1.2.8 × 0.13 =
  2. 2.0.91 × 0.7 =
  3. 3.0.99 × 1.8 =
  4. 4.0.43 × 0.9 =
  5. 5.0.29 × 2.2 =
  6. 6.7.6 × 0.5 =
  7. 7.0.58 × 2.5 =
  8. 8.0.77 × 1.5 =
  9. 9.9.5 × 0.24 =
  10. 10.0.37 × 1.7 =
  11. 11.7.5 × 0.11 =
  12. 12.0.9 × 0.8 =
  13. 13.0.02 × 3.9 =
  14. 14.0.62 × 0.5 =
  15. 15.2.4 × 3.2 =
  16. 16.0.29 × 1.1 =
  17. 17.0.29 × 1.6 =
  18. 18.0.19 × 0.7 =
  19. 19.0.54 × 0.4 =
  20. 20.0.27 × 3.1 =
  21. 21.0.19 × 3.6 =
  22. 22.0.11 × 2.6 =
  23. 23.2.5 × 0.8 =
  24. 24.4.6 × 0.8 =
  25. 25.4.1 × 0.21 =
  26. 26.6.9 × 0.04 =
  27. 27.1.3 × 2.2 =
  28. 28.0.67 × 3.1 =
  29. 29.6.9 × 2.7 =
  30. 30.7.1 × 0.14 =
  31. 31.0.68 × 3.4 =
  32. 32.0.11 × 2.5 =
  33. 33.0.35 × 1.1 =
  34. 34.0.13 × 3.9 =
  35. 35.0.12 × 1.7 =
  36. 36.0.48 × 1.8 =
  37. 37.4.3 × 3.4 =
  38. 38.7.2 × 3.2 =
  39. 39.0.13 × 0.5 =
  40. 40.1.8 × 0.5 =

Answer key

  1. 0.364
  2. 0.637
  3. 1.782
  4. 0.387
  5. 0.638
  6. 3.8
  7. 1.45
  8. 1.155
  9. 2.28
  10. 0.629
  11. 0.825
  12. 0.72
  13. 0.078
  14. 0.31
  15. 7.68
  16. 0.319
  17. 0.464
  18. 0.133
  19. 0.216
  20. 0.837
  21. 0.684
  22. 0.286
  23. 2
  24. 3.68
  25. 0.861
  26. 0.276
  27. 2.86
  28. 2.077
  29. 18.63
  30. 0.994
  31. 2.312
  32. 0.275
  33. 0.385
  34. 0.507
  35. 0.204
  36. 0.864
  37. 14.62
  38. 23.04
  39. 0.065
  40. 0.9

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