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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 909 · 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. 1.5.2 × 3.7 =
  2. 2.0.95 × 3.4 =
  3. 3.5.1 × 1.1 =
  4. 4.3.1 × 2.6 =
  5. 5.0.24 × 3.6 =
  6. 6.4.7 × 0.11 =
  7. 7.3.2 × 3.6 =
  8. 8.8.5 × 0.39 =
  9. 9.0.56 × 3.9 =
  10. 10.4.1 × 0.6 =
  11. 11.8.9 × 2.8 =
  12. 12.0.49 × 2.3 =
  13. 13.0.03 × 3.3 =
  14. 14.0.47 × 1.3 =
  15. 15.0.58 × 3.9 =
  16. 16.2.9 × 0.07 =
  17. 17.8.3 × 0.4 =
  18. 18.7.8 × 3.1 =
  19. 19.9.6 × 1.5 =
  20. 20.4.4 × 0.38 =
  21. 21.9.7 × 3.4 =
  22. 22.4.1 × 0.7 =
  23. 23.0.04 × 1.5 =
  24. 24.5.1 × 0.2 =
  25. 25.2.4 × 0.7 =
  26. 26.0.31 × 0.2 =
  27. 27.4.7 × 1.2 =
  28. 28.9.5 × 0.4 =
  29. 29.1.5 × 0.39 =
  30. 30.0.3 × 3.2 =
  31. 31.9.6 × 2.5 =
  32. 32.7.3 × 0.18 =
  33. 33.2.3 × 0.11 =
  34. 34.0.94 × 1.7 =
  35. 35.0.71 × 3.5 =
  36. 36.4.2 × 0.34 =
  37. 37.9.2 × 2.7 =
  38. 38.0.16 × 1.1 =
  39. 39.0.21 × 0.7 =
  40. 40.5.5 × 0.37 =

Answer key

  1. 19.24
  2. 3.23
  3. 5.61
  4. 8.06
  5. 0.864
  6. 0.517
  7. 11.52
  8. 3.315
  9. 2.184
  10. 2.46
  11. 24.92
  12. 1.127
  13. 0.099
  14. 0.611
  15. 2.262
  16. 0.203
  17. 3.32
  18. 24.18
  19. 14.4
  20. 1.672
  21. 32.98
  22. 2.87
  23. 0.06
  24. 1.02
  25. 1.68
  26. 0.062
  27. 5.64
  28. 3.8
  29. 0.585
  30. 0.96
  31. 24
  32. 1.314
  33. 0.253
  34. 1.598
  35. 2.485
  36. 1.428
  37. 24.84
  38. 0.176
  39. 0.147
  40. 2.035

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