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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 694 · 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. 1.0.2 × 0.37 =
  2. 2.0.48 × 1.1 =
  3. 3.0.77 × 0.3 =
  4. 4.3.3 × 0.31 =
  5. 5.5.9 × 0.03 =
  6. 6.0.11 × 0.4 =
  7. 7.0.26 × 2.2 =
  8. 8.1.1 × 0.22 =
  9. 9.2.5 × 3.2 =
  10. 10.5.1 × 2.1 =
  11. 11.0.98 × 3.4 =
  12. 12.5.2 × 1.5 =
  13. 13.1.8 × 0.04 =
  14. 14.0.7 × 0.12 =
  15. 15.8.9 × 0.11 =
  16. 16.0.91 × 2.1 =
  17. 17.0.47 × 2.6 =
  18. 18.3.7 × 0.13 =
  19. 19.1.1 × 0.34 =
  20. 20.1.1 × 0.11 =
  21. 21.0.15 × 1.5 =
  22. 22.0.08 × 1.1 =
  23. 23.0.46 × 1.6 =
  24. 24.0.43 × 2.3 =
  25. 25.5.1 × 1.5 =
  26. 26.6.1 × 1.4 =
  27. 27.0.89 × 2.7 =
  28. 28.0.17 × 1.3 =
  29. 29.1.5 × 3.8 =
  30. 30.0.8 × 0.23 =
  31. 31.4.5 × 1.6 =
  32. 32.0.11 × 1.1 =
  33. 33.9.8 × 0.31 =
  34. 34.3.1 × 1.9 =
  35. 35.1.8 × 0.05 =
  36. 36.5.8 × 0.3 =
  37. 37.0.96 × 1.8 =
  38. 38.8.6 × 1.1 =
  39. 39.1.2 × 1.3 =
  40. 40.6.7 × 0.33 =

Answer key

  1. 0.074
  2. 0.528
  3. 0.231
  4. 1.023
  5. 0.177
  6. 0.044
  7. 0.572
  8. 0.242
  9. 8
  10. 10.71
  11. 3.332
  12. 7.8
  13. 0.072
  14. 0.084
  15. 0.979
  16. 1.911
  17. 1.222
  18. 0.481
  19. 0.374
  20. 0.121
  21. 0.225
  22. 0.088
  23. 0.736
  24. 0.989
  25. 7.65
  26. 8.54
  27. 2.403
  28. 0.221
  29. 5.7
  30. 0.184
  31. 7.2
  32. 0.121
  33. 3.038
  34. 5.89
  35. 0.09
  36. 1.74
  37. 1.728
  38. 9.46
  39. 1.56
  40. 2.211

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