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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 233 · 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. 1.0.16 × 1.5 =
  2. 2.4.4 × 2.7 =
  3. 3.6.4 × 0.04 =
  4. 4.4.3 × 0.21 =
  5. 5.0.02 × 0.3 =
  6. 6.0.36 × 3.7 =
  7. 7.9.4 × 0.27 =
  8. 8.0.23 × 3.3 =
  9. 9.0.92 × 3.1 =
  10. 10.0.09 × 1.1 =
  11. 11.6.6 × 0.31 =
  12. 12.0.22 × 0.2 =
  13. 13.0.64 × 3.3 =
  14. 14.2.3 × 0.23 =
  15. 15.7.2 × 0.32 =
  16. 16.0.48 × 1.7 =
  17. 17.0.28 × 1.6 =
  18. 18.0.39 × 0.2 =
  19. 19.8.9 × 0.06 =
  20. 20.4.4 × 0.31 =
  21. 21.7.9 × 0.31 =
  22. 22.0.92 × 0.5 =
  23. 23.0.38 × 1.4 =
  24. 24.4.2 × 0.28 =
  25. 25.0.11 × 2.4 =
  26. 26.8.8 × 2.3 =
  27. 27.2.8 × 0.04 =
  28. 28.0.7 × 3.9 =
  29. 29.0.77 × 1.1 =
  30. 30.0.99 × 0.7 =
  31. 31.3.7 × 2.5 =
  32. 32.0.78 × 2.8 =
  33. 33.0.77 × 3.4 =
  34. 34.8.9 × 3.4 =
  35. 35.0.36 × 2.6 =
  36. 36.8.4 × 2.4 =
  37. 37.0.88 × 2.1 =
  38. 38.0.19 × 0.3 =
  39. 39.0.71 × 1.6 =
  40. 40.0.56 × 2.2 =

Answer key

  1. 0.24
  2. 11.88
  3. 0.256
  4. 0.903
  5. 0.006
  6. 1.332
  7. 2.538
  8. 0.759
  9. 2.852
  10. 0.099
  11. 2.046
  12. 0.044
  13. 2.112
  14. 0.529
  15. 2.304
  16. 0.816
  17. 0.448
  18. 0.078
  19. 0.534
  20. 1.364
  21. 2.449
  22. 0.46
  23. 0.532
  24. 1.176
  25. 0.264
  26. 20.24
  27. 0.112
  28. 2.73
  29. 0.847
  30. 0.693
  31. 9.25
  32. 2.184
  33. 2.618
  34. 30.26
  35. 0.936
  36. 20.16
  37. 1.848
  38. 0.057
  39. 1.136
  40. 1.232

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