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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 696 · 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. 1.9.7 × 2.3 =
  2. 2.0.31 × 3.2 =
  3. 3.0.6 × 0.2 =
  4. 4.0.94 × 0.6 =
  5. 5.8.2 × 0.05 =
  6. 6.0.9 × 0.11 =
  7. 7.0.98 × 3.1 =
  8. 8.0.08 × 2.2 =
  9. 9.1.1 × 0.25 =
  10. 10.0.11 × 0.7 =
  11. 11.0.26 × 1.1 =
  12. 12.2.1 × 0.21 =
  13. 13.7.9 × 0.38 =
  14. 14.0.6 × 0.09 =
  15. 15.1.1 × 0.11 =
  16. 16.8.3 × 3.8 =
  17. 17.7.9 × 0.34 =
  18. 18.9.8 × 1.6 =
  19. 19.0.92 × 0.3 =
  20. 20.3.9 × 0.03 =
  21. 21.6.1 × 2.1 =
  22. 22.3.1 × 0.07 =
  23. 23.0.48 × 2.2 =
  24. 24.9.1 × 0.08 =
  25. 25.0.11 × 1.1 =
  26. 26.9.4 × 0.29 =
  27. 27.0.12 × 1.4 =
  28. 28.5.1 × 0.14 =
  29. 29.0.93 × 2.8 =
  30. 30.0.51 × 3.8 =
  31. 31.0.53 × 2.6 =
  32. 32.0.13 × 2.5 =
  33. 33.6.2 × 1.3 =
  34. 34.0.17 × 1.4 =
  35. 35.0.21 × 3.1 =
  36. 36.0.42 × 2.8 =
  37. 37.0.51 × 0.4 =
  38. 38.0.2 × 2.3 =
  39. 39.0.38 × 1.1 =
  40. 40.3.3 × 3.1 =

Answer key

  1. 22.31
  2. 0.992
  3. 0.12
  4. 0.564
  5. 0.41
  6. 0.099
  7. 3.038
  8. 0.176
  9. 0.275
  10. 0.077
  11. 0.286
  12. 0.441
  13. 3.002
  14. 0.054
  15. 0.121
  16. 31.54
  17. 2.686
  18. 15.68
  19. 0.276
  20. 0.117
  21. 12.81
  22. 0.217
  23. 1.056
  24. 0.728
  25. 0.121
  26. 2.726
  27. 0.168
  28. 0.714
  29. 2.604
  30. 1.938
  31. 1.378
  32. 0.325
  33. 8.06
  34. 0.238
  35. 0.651
  36. 1.176
  37. 0.204
  38. 0.46
  39. 0.418
  40. 10.23

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