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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 492 · 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. 1.0.59 × 0.5 =
  2. 2.0.16 × 2.7 =
  3. 3.0.12 × 1.7 =
  4. 4.0.42 × 2.8 =
  5. 5.0.56 × 2.8 =
  6. 6.2.6 × 0.14 =
  7. 7.0.28 × 3.1 =
  8. 8.0.19 × 2.9 =
  9. 9.0.91 × 0.7 =
  10. 10.0.09 × 1.4 =
  11. 11.0.31 × 3.1 =
  12. 12.0.19 × 3.3 =
  13. 13.0.71 × 1.3 =
  14. 14.0.39 × 0.6 =
  15. 15.2.1 × 0.3 =
  16. 16.3.6 × 0.3 =
  17. 17.0.86 × 1.2 =
  18. 18.6.8 × 0.39 =
  19. 19.0.21 × 1.2 =
  20. 20.0.6 × 0.14 =
  21. 21.2.7 × 1.9 =
  22. 22.0.12 × 0.6 =
  23. 23.3.2 × 0.11 =
  24. 24.0.44 × 3.6 =
  25. 25.9.8 × 0.05 =
  26. 26.1.2 × 0.7 =
  27. 27.0.12 × 2.5 =
  28. 28.9.3 × 0.5 =
  29. 29.2.4 × 0.7 =
  30. 30.0.19 × 0.6 =
  31. 31.9.3 × 1.5 =
  32. 32.5.4 × 0.06 =
  33. 33.0.47 × 2.1 =
  34. 34.0.76 × 1.9 =
  35. 35.1.7 × 2.7 =
  36. 36.8.9 × 2.4 =
  37. 37.0.43 × 2.3 =
  38. 38.4.8 × 0.09 =
  39. 39.9.3 × 0.12 =
  40. 40.6.9 × 0.2 =

Answer key

  1. 0.295
  2. 0.432
  3. 0.204
  4. 1.176
  5. 1.568
  6. 0.364
  7. 0.868
  8. 0.551
  9. 0.637
  10. 0.126
  11. 0.961
  12. 0.627
  13. 0.923
  14. 0.234
  15. 0.63
  16. 1.08
  17. 1.032
  18. 2.652
  19. 0.252
  20. 0.084
  21. 5.13
  22. 0.072
  23. 0.352
  24. 1.584
  25. 0.49
  26. 0.84
  27. 0.3
  28. 4.65
  29. 1.68
  30. 0.114
  31. 13.95
  32. 0.324
  33. 0.987
  34. 1.444
  35. 4.59
  36. 21.36
  37. 0.989
  38. 0.432
  39. 1.116
  40. 1.38

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