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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 425 · 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. 1.0.44 × 0.6 =
  2. 2.0.91 × 0.7 =
  3. 3.1.2 × 0.17 =
  4. 4.0.46 × 0.7 =
  5. 5.0.17 × 3.2 =
  6. 6.7.1 × 2.6 =
  7. 7.0.82 × 0.9 =
  8. 8.2.1 × 1.6 =
  9. 9.0.43 × 1.6 =
  10. 10.0.07 × 2.5 =
  11. 11.9.2 × 2.2 =
  12. 12.0.18 × 3.9 =
  13. 13.7.4 × 1.1 =
  14. 14.2.3 × 0.9 =
  15. 15.0.71 × 3.2 =
  16. 16.0.02 × 3.7 =
  17. 17.0.99 × 0.7 =
  18. 18.0.71 × 0.5 =
  19. 19.0.93 × 2.3 =
  20. 20.0.09 × 1.1 =
  21. 21.0.6 × 0.21 =
  22. 22.0.33 × 1.8 =
  23. 23.0.67 × 0.2 =
  24. 24.0.6 × 0.2 =
  25. 25.0.22 × 3.2 =
  26. 26.0.54 × 2.5 =
  27. 27.0.66 × 3.7 =
  28. 28.0.57 × 1.6 =
  29. 29.8.7 × 2.7 =
  30. 30.2.8 × 0.35 =
  31. 31.8.8 × 0.28 =
  32. 32.0.72 × 0.4 =
  33. 33.0.79 × 0.5 =
  34. 34.9.4 × 2.2 =
  35. 35.2.9 × 0.12 =
  36. 36.8.6 × 0.06 =
  37. 37.0.15 × 1.4 =
  38. 38.0.11 × 2.6 =
  39. 39.5.1 × 2.2 =
  40. 40.6.6 × 1.5 =

Answer key

  1. 0.264
  2. 0.637
  3. 0.204
  4. 0.322
  5. 0.544
  6. 18.46
  7. 0.738
  8. 3.36
  9. 0.688
  10. 0.175
  11. 20.24
  12. 0.702
  13. 8.14
  14. 2.07
  15. 2.272
  16. 0.074
  17. 0.693
  18. 0.355
  19. 2.139
  20. 0.099
  21. 0.126
  22. 0.594
  23. 0.134
  24. 0.12
  25. 0.704
  26. 1.35
  27. 2.442
  28. 0.912
  29. 23.49
  30. 0.98
  31. 2.464
  32. 0.288
  33. 0.395
  34. 20.68
  35. 0.348
  36. 0.516
  37. 0.21
  38. 0.286
  39. 11.22
  40. 9.9

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