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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 44 · 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. 1.0.7 × 3.7 =
  2. 2.6.5 × 0.08 =
  3. 3.0.51 × 3.7 =
  4. 4.7.5 × 2.9 =
  5. 5.1.9 × 2.9 =
  6. 6.0.93 × 2.7 =
  7. 7.0.05 × 3.5 =
  8. 8.0.98 × 2.7 =
  9. 9.2.7 × 0.29 =
  10. 10.0.83 × 0.3 =
  11. 11.0.22 × 0.8 =
  12. 12.4.5 × 0.02 =
  13. 13.0.37 × 2.4 =
  14. 14.2.1 × 0.39 =
  15. 15.6.1 × 0.34 =
  16. 16.0.81 × 2.4 =
  17. 17.0.59 × 2.9 =
  18. 18.0.05 × 3.1 =
  19. 19.0.19 × 2.1 =
  20. 20.0.99 × 1.5 =
  21. 21.0.49 × 1.5 =
  22. 22.0.47 × 1.4 =
  23. 23.2.7 × 2.4 =
  24. 24.2.4 × 0.12 =
  25. 25.0.06 × 2.9 =
  26. 26.3.1 × 0.27 =
  27. 27.2.3 × 0.33 =
  28. 28.0.82 × 2.5 =
  29. 29.6.7 × 0.07 =
  30. 30.9.1 × 3.2 =
  31. 31.1.4 × 0.9 =
  32. 32.8.3 × 0.11 =
  33. 33.0.46 × 2.5 =
  34. 34.4.1 × 0.03 =
  35. 35.0.97 × 3.4 =
  36. 36.0.38 × 0.8 =
  37. 37.0.64 × 3.1 =
  38. 38.9.1 × 0.14 =
  39. 39.0.85 × 3.3 =
  40. 40.4.6 × 0.9 =

Answer key

  1. 2.59
  2. 0.52
  3. 1.887
  4. 21.75
  5. 5.51
  6. 2.511
  7. 0.175
  8. 2.646
  9. 0.783
  10. 0.249
  11. 0.176
  12. 0.09
  13. 0.888
  14. 0.819
  15. 2.074
  16. 1.944
  17. 1.711
  18. 0.155
  19. 0.399
  20. 1.485
  21. 0.735
  22. 0.658
  23. 6.48
  24. 0.288
  25. 0.174
  26. 0.837
  27. 0.759
  28. 2.05
  29. 0.469
  30. 29.12
  31. 1.26
  32. 0.913
  33. 1.15
  34. 0.123
  35. 3.298
  36. 0.304
  37. 1.984
  38. 1.274
  39. 2.805
  40. 4.14

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