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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 963 · 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. 1.0.21 × 3.2 =
  2. 2.0.4 × 0.39 =
  3. 3.2.8 × 2.1 =
  4. 4.0.05 × 1.4 =
  5. 5.4.9 × 1.2 =
  6. 6.5.6 × 0.03 =
  7. 7.0.49 × 1.1 =
  8. 8.0.02 × 0.2 =
  9. 9.0.71 × 3.2 =
  10. 10.0.2 × 2.4 =
  11. 11.0.39 × 3.6 =
  12. 12.0.18 × 1.2 =
  13. 13.0.63 × 2.7 =
  14. 14.0.84 × 2.5 =
  15. 15.7.7 × 3.9 =
  16. 16.0.62 × 1.4 =
  17. 17.4.1 × 1.2 =
  18. 18.7.9 × 2.8 =
  19. 19.1.3 × 0.08 =
  20. 20.0.7 × 0.34 =
  21. 21.2.5 × 0.24 =
  22. 22.0.61 × 3.4 =
  23. 23.0.5 × 3.9 =
  24. 24.0.51 × 1.5 =
  25. 25.9.8 × 2.6 =
  26. 26.2.3 × 0.34 =
  27. 27.0.73 × 3.5 =
  28. 28.4.1 × 0.3 =
  29. 29.9.6 × 0.4 =
  30. 30.7.5 × 3.4 =
  31. 31.7.8 × 1.9 =
  32. 32.6.1 × 0.11 =
  33. 33.6.7 × 0.22 =
  34. 34.0.05 × 3.4 =
  35. 35.0.32 × 1.7 =
  36. 36.0.51 × 0.8 =
  37. 37.8.6 × 0.11 =
  38. 38.0.66 × 1.2 =
  39. 39.0.86 × 0.9 =
  40. 40.3.8 × 1.7 =

Answer key

  1. 0.672
  2. 0.156
  3. 5.88
  4. 0.07
  5. 5.88
  6. 0.168
  7. 0.539
  8. 0.004
  9. 2.272
  10. 0.48
  11. 1.404
  12. 0.216
  13. 1.701
  14. 2.1
  15. 30.03
  16. 0.868
  17. 4.92
  18. 22.12
  19. 0.104
  20. 0.238
  21. 0.6
  22. 2.074
  23. 1.95
  24. 0.765
  25. 25.48
  26. 0.782
  27. 2.555
  28. 1.23
  29. 3.84
  30. 25.5
  31. 14.82
  32. 0.671
  33. 1.474
  34. 0.17
  35. 0.544
  36. 0.408
  37. 0.946
  38. 0.792
  39. 0.774
  40. 6.46

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