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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 184 · 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. 1.0.29 × 1.2 =
  2. 2.0.56 × 3.6 =
  3. 3.0.28 × 1.4 =
  4. 4.0.08 × 2.6 =
  5. 5.7.8 × 3.1 =
  6. 6.7.3 × 1.6 =
  7. 7.6.2 × 1.1 =
  8. 8.2.1 × 0.23 =
  9. 9.6.2 × 0.21 =
  10. 10.5.6 × 2.5 =
  11. 11.0.18 × 0.5 =
  12. 12.0.77 × 1.1 =
  13. 13.0.22 × 2.9 =
  14. 14.9.4 × 0.25 =
  15. 15.0.61 × 2.5 =
  16. 16.6.2 × 0.2 =
  17. 17.0.59 × 0.5 =
  18. 18.0.16 × 2.9 =
  19. 19.0.07 × 2.7 =
  20. 20.7.1 × 2.9 =
  21. 21.0.07 × 1.8 =
  22. 22.7.5 × 3.7 =
  23. 23.7.8 × 3.5 =
  24. 24.0.6 × 0.28 =
  25. 25.0.9 × 0.32 =
  26. 26.5.6 × 2.7 =
  27. 27.1.7 × 0.31 =
  28. 28.0.08 × 1.3 =
  29. 29.6.1 × 0.26 =
  30. 30.7.2 × 3.6 =
  31. 31.1.1 × 2.1 =
  32. 32.7.1 × 1.8 =
  33. 33.2.7 × 0.32 =
  34. 34.3.2 × 1.1 =
  35. 35.2.5 × 2.5 =
  36. 36.0.72 × 0.8 =
  37. 37.0.86 × 0.8 =
  38. 38.0.51 × 0.8 =
  39. 39.1.2 × 0.21 =
  40. 40.0.27 × 0.3 =

Answer key

  1. 0.348
  2. 2.016
  3. 0.392
  4. 0.208
  5. 24.18
  6. 11.68
  7. 6.82
  8. 0.483
  9. 1.302
  10. 14
  11. 0.09
  12. 0.847
  13. 0.638
  14. 2.35
  15. 1.525
  16. 1.24
  17. 0.295
  18. 0.464
  19. 0.189
  20. 20.59
  21. 0.126
  22. 27.75
  23. 27.3
  24. 0.168
  25. 0.288
  26. 15.12
  27. 0.527
  28. 0.104
  29. 1.586
  30. 25.92
  31. 2.31
  32. 12.78
  33. 0.864
  34. 3.52
  35. 6.25
  36. 0.576
  37. 0.688
  38. 0.408
  39. 0.252
  40. 0.081

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