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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 272 · 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. 1.5.1 × 2.2 =
  2. 2.9.1 × 0.6 =
  3. 3.0.19 × 0.7 =
  4. 4.3.5 × 0.3 =
  5. 5.0.94 × 2.6 =
  6. 6.0.54 × 1.1 =
  7. 7.0.27 × 3.1 =
  8. 8.2.4 × 0.14 =
  9. 9.9.5 × 3.9 =
  10. 10.0.17 × 1.5 =
  11. 11.0.76 × 3.2 =
  12. 12.9.3 × 0.7 =
  13. 13.8.6 × 3.2 =
  14. 14.0.7 × 1.7 =
  15. 15.1.1 × 0.21 =
  16. 16.9.2 × 2.6 =
  17. 17.1.5 × 0.05 =
  18. 18.2.8 × 0.5 =
  19. 19.0.54 × 2.7 =
  20. 20.0.78 × 0.7 =
  21. 21.0.33 × 3.3 =
  22. 22.0.12 × 2.9 =
  23. 23.0.04 × 1.7 =
  24. 24.0.5 × 2.8 =
  25. 25.0.93 × 3.8 =
  26. 26.6.4 × 0.37 =
  27. 27.5.6 × 0.17 =
  28. 28.0.75 × 2.5 =
  29. 29.5.9 × 0.6 =
  30. 30.0.26 × 2.9 =
  31. 31.4.8 × 0.39 =
  32. 32.8.8 × 1.3 =
  33. 33.2.8 × 0.02 =
  34. 34.1.8 × 0.22 =
  35. 35.0.13 × 0.4 =
  36. 36.5.4 × 2.2 =
  37. 37.1.7 × 1.8 =
  38. 38.0.04 × 1.7 =
  39. 39.2.6 × 1.9 =
  40. 40.8.8 × 0.5 =

Answer key

  1. 11.22
  2. 5.46
  3. 0.133
  4. 1.05
  5. 2.444
  6. 0.594
  7. 0.837
  8. 0.336
  9. 37.05
  10. 0.255
  11. 2.432
  12. 6.51
  13. 27.52
  14. 1.19
  15. 0.231
  16. 23.92
  17. 0.075
  18. 1.4
  19. 1.458
  20. 0.546
  21. 1.089
  22. 0.348
  23. 0.068
  24. 1.4
  25. 3.534
  26. 2.368
  27. 0.952
  28. 1.875
  29. 3.54
  30. 0.754
  31. 1.872
  32. 11.44
  33. 0.056
  34. 0.396
  35. 0.052
  36. 11.88
  37. 3.06
  38. 0.068
  39. 4.94
  40. 4.4

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