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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 536 · 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. 1.0.95 × 0.7 =
  2. 2.1.2 × 3.1 =
  3. 3.4.7 × 0.21 =
  4. 4.0.79 × 2.1 =
  5. 5.0.89 × 3.7 =
  6. 6.5.3 × 2.4 =
  7. 7.1.8 × 0.8 =
  8. 8.8.1 × 0.4 =
  9. 9.0.61 × 3.1 =
  10. 10.0.74 × 3.4 =
  11. 11.0.14 × 2.7 =
  12. 12.0.85 × 1.8 =
  13. 13.1.4 × 0.37 =
  14. 14.2.8 × 2.2 =
  15. 15.0.2 × 1.7 =
  16. 16.0.05 × 3.1 =
  17. 17.0.79 × 2.1 =
  18. 18.7.2 × 0.9 =
  19. 19.0.58 × 2.5 =
  20. 20.0.42 × 1.6 =
  21. 21.0.15 × 0.5 =
  22. 22.2.2 × 2.4 =
  23. 23.6.5 × 0.7 =
  24. 24.0.23 × 3.1 =
  25. 25.8.1 × 1.1 =
  26. 26.1.4 × 0.31 =
  27. 27.1.7 × 0.18 =
  28. 28.1.1 × 0.23 =
  29. 29.9.1 × 0.03 =
  30. 30.7.1 × 0.19 =
  31. 31.0.5 × 1.9 =
  32. 32.0.73 × 0.5 =
  33. 33.1.4 × 1.2 =
  34. 34.0.88 × 2.7 =
  35. 35.0.24 × 0.9 =
  36. 36.1.3 × 0.27 =
  37. 37.2.4 × 2.5 =
  38. 38.5.1 × 0.21 =
  39. 39.0.71 × 1.7 =
  40. 40.0.11 × 2.1 =

Answer key

  1. 0.665
  2. 3.72
  3. 0.987
  4. 1.659
  5. 3.293
  6. 12.72
  7. 1.44
  8. 3.24
  9. 1.891
  10. 2.516
  11. 0.378
  12. 1.53
  13. 0.518
  14. 6.16
  15. 0.34
  16. 0.155
  17. 1.659
  18. 6.48
  19. 1.45
  20. 0.672
  21. 0.075
  22. 5.28
  23. 4.55
  24. 0.713
  25. 8.91
  26. 0.434
  27. 0.306
  28. 0.253
  29. 0.273
  30. 1.349
  31. 0.95
  32. 0.365
  33. 1.68
  34. 2.376
  35. 0.216
  36. 0.351
  37. 6
  38. 1.071
  39. 1.207
  40. 0.231

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