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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 334 · 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. 1.3.6 × 3.1 =
  2. 2.5.3 × 0.04 =
  3. 3.6.8 × 1.9 =
  4. 4.0.42 × 3.1 =
  5. 5.0.7 × 1.3 =
  6. 6.0.19 × 2.1 =
  7. 7.7.3 × 0.15 =
  8. 8.0.91 × 3.2 =
  9. 9.0.46 × 3.8 =
  10. 10.4.8 × 0.19 =
  11. 11.0.81 × 1.3 =
  12. 12.8.6 × 1.7 =
  13. 13.0.57 × 1.9 =
  14. 14.0.45 × 3.5 =
  15. 15.0.46 × 3.3 =
  16. 16.0.16 × 2.2 =
  17. 17.3.5 × 3.9 =
  18. 18.2.1 × 1.7 =
  19. 19.0.91 × 0.6 =
  20. 20.7.1 × 3.9 =
  21. 21.0.5 × 0.5 =
  22. 22.7.2 × 1.6 =
  23. 23.7.8 × 0.9 =
  24. 24.0.34 × 0.9 =
  25. 25.0.86 × 1.7 =
  26. 26.1.5 × 0.4 =
  27. 27.6.4 × 2.4 =
  28. 28.0.6 × 1.3 =
  29. 29.6.1 × 0.8 =
  30. 30.0.9 × 2.9 =
  31. 31.9.2 × 0.38 =
  32. 32.0.3 × 2.5 =
  33. 33.3.6 × 0.21 =
  34. 34.0.33 × 1.6 =
  35. 35.0.81 × 3.4 =
  36. 36.8.8 × 0.21 =
  37. 37.0.28 × 2.1 =
  38. 38.5.7 × 1.6 =
  39. 39.5.1 × 0.27 =
  40. 40.0.24 × 0.2 =

Answer key

  1. 11.16
  2. 0.212
  3. 12.92
  4. 1.302
  5. 0.91
  6. 0.399
  7. 1.095
  8. 2.912
  9. 1.748
  10. 0.912
  11. 1.053
  12. 14.62
  13. 1.083
  14. 1.575
  15. 1.518
  16. 0.352
  17. 13.65
  18. 3.57
  19. 0.546
  20. 27.69
  21. 0.25
  22. 11.52
  23. 7.02
  24. 0.306
  25. 1.462
  26. 0.6
  27. 15.36
  28. 0.78
  29. 4.88
  30. 2.61
  31. 3.496
  32. 0.75
  33. 0.756
  34. 0.528
  35. 2.754
  36. 1.848
  37. 0.588
  38. 9.12
  39. 1.377
  40. 0.048

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