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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 611 · 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. 1.0.48 × 2.6 =
  2. 2.7.5 × 0.29 =
  3. 3.3.1 × 0.05 =
  4. 4.0.93 × 1.1 =
  5. 5.0.92 × 3.1 =
  6. 6.0.75 × 0.9 =
  7. 7.1.2 × 0.06 =
  8. 8.3.3 × 0.03 =
  9. 9.0.43 × 3.5 =
  10. 10.5.4 × 3.7 =
  11. 11.0.07 × 3.3 =
  12. 12.7.1 × 0.4 =
  13. 13.8.1 × 0.09 =
  14. 14.6.8 × 0.17 =
  15. 15.0.71 × 1.1 =
  16. 16.3.4 × 0.5 =
  17. 17.2.7 × 0.28 =
  18. 18.0.61 × 1.9 =
  19. 19.0.42 × 1.1 =
  20. 20.5.9 × 0.28 =
  21. 21.0.91 × 3.4 =
  22. 22.0.47 × 0.8 =
  23. 23.0.19 × 0.7 =
  24. 24.0.82 × 0.4 =
  25. 25.4.8 × 0.11 =
  26. 26.0.67 × 2.9 =
  27. 27.0.8 × 0.26 =
  28. 28.0.95 × 3.1 =
  29. 29.0.4 × 2.4 =
  30. 30.0.6 × 2.1 =
  31. 31.0.68 × 1.6 =
  32. 32.0.35 × 2.8 =
  33. 33.0.37 × 2.1 =
  34. 34.0.85 × 0.5 =
  35. 35.0.13 × 2.9 =
  36. 36.0.49 × 3.1 =
  37. 37.0.78 × 1.2 =
  38. 38.9.1 × 2.3 =
  39. 39.0.85 × 1.9 =
  40. 40.0.14 × 3.8 =

Answer key

  1. 1.248
  2. 2.175
  3. 0.155
  4. 1.023
  5. 2.852
  6. 0.675
  7. 0.072
  8. 0.099
  9. 1.505
  10. 19.98
  11. 0.231
  12. 2.84
  13. 0.729
  14. 1.156
  15. 0.781
  16. 1.7
  17. 0.756
  18. 1.159
  19. 0.462
  20. 1.652
  21. 3.094
  22. 0.376
  23. 0.133
  24. 0.328
  25. 0.528
  26. 1.943
  27. 0.208
  28. 2.945
  29. 0.96
  30. 1.26
  31. 1.088
  32. 0.98
  33. 0.777
  34. 0.425
  35. 0.377
  36. 1.519
  37. 0.936
  38. 20.93
  39. 1.615
  40. 0.532

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