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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 617 · 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. 1.6.1 × 0.06 =
  2. 2.0.11 × 0.3 =
  3. 3.0.77 × 1.1 =
  4. 4.0.38 × 0.6 =
  5. 5.0.16 × 2.3 =
  6. 6.0.38 × 0.5 =
  7. 7.0.81 × 2.8 =
  8. 8.0.95 × 0.8 =
  9. 9.0.74 × 2.8 =
  10. 10.3.7 × 0.02 =
  11. 11.4.3 × 0.03 =
  12. 12.0.18 × 1.2 =
  13. 13.0.04 × 3.8 =
  14. 14.0.19 × 0.9 =
  15. 15.0.73 × 3.3 =
  16. 16.0.23 × 2.3 =
  17. 17.6.7 × 1.1 =
  18. 18.0.82 × 1.6 =
  19. 19.3.1 × 0.31 =
  20. 20.0.78 × 2.7 =
  21. 21.2.1 × 0.11 =
  22. 22.0.09 × 2.8 =
  23. 23.0.06 × 2.1 =
  24. 24.0.82 × 2.7 =
  25. 25.0.84 × 3.1 =
  26. 26.3.5 × 0.03 =
  27. 27.0.18 × 3.2 =
  28. 28.2.7 × 2.4 =
  29. 29.2.8 × 0.32 =
  30. 30.0.05 × 1.4 =
  31. 31.0.24 × 0.9 =
  32. 32.0.8 × 2.2 =
  33. 33.2.5 × 0.3 =
  34. 34.0.23 × 2.1 =
  35. 35.0.19 × 1.8 =
  36. 36.0.17 × 1.5 =
  37. 37.0.76 × 3.8 =
  38. 38.2.7 × 0.3 =
  39. 39.0.87 × 3.3 =
  40. 40.0.19 × 3.8 =

Answer key

  1. 0.366
  2. 0.033
  3. 0.847
  4. 0.228
  5. 0.368
  6. 0.19
  7. 2.268
  8. 0.76
  9. 2.072
  10. 0.074
  11. 0.129
  12. 0.216
  13. 0.152
  14. 0.171
  15. 2.409
  16. 0.529
  17. 7.37
  18. 1.312
  19. 0.961
  20. 2.106
  21. 0.231
  22. 0.252
  23. 0.126
  24. 2.214
  25. 2.604
  26. 0.105
  27. 0.576
  28. 6.48
  29. 0.896
  30. 0.07
  31. 0.216
  32. 1.76
  33. 0.75
  34. 0.483
  35. 0.342
  36. 0.255
  37. 2.888
  38. 0.81
  39. 2.871
  40. 0.722

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