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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 227 · 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. 1.0.11 × 0.8 =
  2. 2.9.9 × 0.2 =
  3. 3.0.22 × 0.6 =
  4. 4.0.34 × 1.4 =
  5. 5.5.9 × 0.28 =
  6. 6.8.6 × 3.3 =
  7. 7.0.53 × 0.8 =
  8. 8.0.91 × 3.3 =
  9. 9.5.6 × 0.21 =
  10. 10.0.7 × 3.7 =
  11. 11.0.07 × 0.5 =
  12. 12.0.49 × 1.4 =
  13. 13.7.2 × 3.8 =
  14. 14.1.3 × 3.4 =
  15. 15.3.4 × 0.19 =
  16. 16.1.9 × 0.29 =
  17. 17.2.7 × 2.1 =
  18. 18.0.61 × 3.8 =
  19. 19.9.2 × 1.8 =
  20. 20.2.5 × 0.18 =
  21. 21.4.6 × 0.12 =
  22. 22.1.8 × 2.6 =
  23. 23.0.81 × 2.9 =
  24. 24.0.03 × 2.4 =
  25. 25.0.57 × 0.4 =
  26. 26.2.7 × 3.5 =
  27. 27.6.3 × 1.7 =
  28. 28.0.27 × 3.5 =
  29. 29.0.49 × 2.7 =
  30. 30.5.3 × 1.1 =
  31. 31.5.3 × 2.7 =
  32. 32.0.63 × 0.3 =
  33. 33.6.3 × 3.7 =
  34. 34.6.3 × 2.3 =
  35. 35.0.84 × 3.8 =
  36. 36.0.2 × 0.02 =
  37. 37.5.1 × 0.36 =
  38. 38.0.17 × 0.3 =
  39. 39.0.31 × 2.9 =
  40. 40.0.6 × 0.14 =

Answer key

  1. 0.088
  2. 1.98
  3. 0.132
  4. 0.476
  5. 1.652
  6. 28.38
  7. 0.424
  8. 3.003
  9. 1.176
  10. 2.59
  11. 0.035
  12. 0.686
  13. 27.36
  14. 4.42
  15. 0.646
  16. 0.551
  17. 5.67
  18. 2.318
  19. 16.56
  20. 0.45
  21. 0.552
  22. 4.68
  23. 2.349
  24. 0.072
  25. 0.228
  26. 9.45
  27. 10.71
  28. 0.945
  29. 1.323
  30. 5.83
  31. 14.31
  32. 0.189
  33. 23.31
  34. 14.49
  35. 3.192
  36. 0.004
  37. 1.836
  38. 0.051
  39. 0.899
  40. 0.084

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