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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 158 · 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. 1.4.3 × 0.03 =
  2. 2.1.4 × 0.8 =
  3. 3.0.89 × 0.7 =
  4. 4.3.4 × 2.8 =
  5. 5.1.1 × 0.16 =
  6. 6.0.93 × 1.4 =
  7. 7.0.55 × 2.6 =
  8. 8.7.6 × 2.3 =
  9. 9.0.54 × 0.9 =
  10. 10.7.1 × 2.4 =
  11. 11.0.49 × 2.8 =
  12. 12.3.8 × 0.8 =
  13. 13.4.4 × 0.19 =
  14. 14.3.2 × 0.03 =
  15. 15.0.18 × 2.3 =
  16. 16.4.7 × 1.7 =
  17. 17.6.4 × 1.9 =
  18. 18.0.47 × 1.8 =
  19. 19.7.7 × 0.39 =
  20. 20.0.96 × 3.4 =
  21. 21.7.8 × 0.27 =
  22. 22.7.7 × 0.11 =
  23. 23.0.78 × 0.8 =
  24. 24.3.6 × 0.11 =
  25. 25.8.6 × 0.23 =
  26. 26.0.16 × 0.3 =
  27. 27.0.84 × 2.6 =
  28. 28.0.43 × 0.3 =
  29. 29.0.42 × 3.2 =
  30. 30.8.7 × 0.26 =
  31. 31.8.5 × 0.11 =
  32. 32.2.3 × 0.37 =
  33. 33.0.39 × 0.3 =
  34. 34.0.88 × 3.2 =
  35. 35.5.2 × 0.9 =
  36. 36.1.6 × 0.29 =
  37. 37.0.71 × 1.8 =
  38. 38.7.7 × 0.05 =
  39. 39.5.1 × 0.02 =
  40. 40.0.28 × 2.3 =

Answer key

  1. 0.129
  2. 1.12
  3. 0.623
  4. 9.52
  5. 0.176
  6. 1.302
  7. 1.43
  8. 17.48
  9. 0.486
  10. 17.04
  11. 1.372
  12. 3.04
  13. 0.836
  14. 0.096
  15. 0.414
  16. 7.99
  17. 12.16
  18. 0.846
  19. 3.003
  20. 3.264
  21. 2.106
  22. 0.847
  23. 0.624
  24. 0.396
  25. 1.978
  26. 0.048
  27. 2.184
  28. 0.129
  29. 1.344
  30. 2.262
  31. 0.935
  32. 0.851
  33. 0.117
  34. 2.816
  35. 4.68
  36. 0.464
  37. 1.278
  38. 0.385
  39. 0.102
  40. 0.644

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