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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 251 · 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. 1.7.1 × 0.03 =
  2. 2.0.96 × 2.4 =
  3. 3.1.4 × 0.9 =
  4. 4.0.56 × 3.9 =
  5. 5.4.6 × 0.7 =
  6. 6.0.2 × 2.8 =
  7. 7.0.3 × 0.27 =
  8. 8.0.8 × 0.06 =
  9. 9.0.65 × 0.8 =
  10. 10.3.3 × 2.6 =
  11. 11.3.9 × 1.8 =
  12. 12.3.1 × 0.12 =
  13. 13.0.08 × 0.4 =
  14. 14.3.4 × 0.25 =
  15. 15.0.9 × 2.7 =
  16. 16.2.1 × 0.34 =
  17. 17.2.5 × 0.21 =
  18. 18.0.8 × 0.04 =
  19. 19.6.7 × 0.27 =
  20. 20.0.39 × 0.8 =
  21. 21.0.96 × 2.2 =
  22. 22.0.16 × 3.1 =
  23. 23.0.97 × 0.3 =
  24. 24.0.23 × 1.7 =
  25. 25.3.4 × 2.6 =
  26. 26.0.62 × 0.8 =
  27. 27.2.4 × 2.3 =
  28. 28.0.23 × 0.6 =
  29. 29.0.95 × 2.8 =
  30. 30.4.2 × 0.11 =
  31. 31.0.68 × 3.3 =
  32. 32.0.4 × 0.02 =
  33. 33.7.3 × 2.7 =
  34. 34.0.24 × 1.4 =
  35. 35.0.81 × 0.6 =
  36. 36.0.58 × 0.7 =
  37. 37.6.7 × 0.22 =
  38. 38.0.19 × 3.1 =
  39. 39.3.8 × 0.7 =
  40. 40.0.59 × 1.8 =

Answer key

  1. 0.213
  2. 2.304
  3. 1.26
  4. 2.184
  5. 3.22
  6. 0.56
  7. 0.081
  8. 0.048
  9. 0.52
  10. 8.58
  11. 7.02
  12. 0.372
  13. 0.032
  14. 0.85
  15. 2.43
  16. 0.714
  17. 0.525
  18. 0.032
  19. 1.809
  20. 0.312
  21. 2.112
  22. 0.496
  23. 0.291
  24. 0.391
  25. 8.84
  26. 0.496
  27. 5.52
  28. 0.138
  29. 2.66
  30. 0.462
  31. 2.244
  32. 0.008
  33. 19.71
  34. 0.336
  35. 0.486
  36. 0.406
  37. 1.474
  38. 0.589
  39. 2.66
  40. 1.062

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