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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 983 · 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. 1.6.7 × 0.37 =
  2. 2.5.5 × 1.2 =
  3. 3.0.11 × 1.5 =
  4. 4.3.8 × 2.7 =
  5. 5.0.39 × 2.1 =
  6. 6.0.24 × 2.8 =
  7. 7.0.87 × 1.4 =
  8. 8.0.88 × 0.9 =
  9. 9.0.76 × 3.7 =
  10. 10.0.41 × 0.8 =
  11. 11.0.97 × 3.9 =
  12. 12.6.1 × 0.4 =
  13. 13.7.3 × 0.15 =
  14. 14.2.5 × 0.22 =
  15. 15.2.3 × 2.9 =
  16. 16.9.5 × 0.33 =
  17. 17.2.8 × 2.6 =
  18. 18.6.2 × 0.21 =
  19. 19.8.3 × 3.7 =
  20. 20.3.1 × 0.6 =
  21. 21.0.41 × 3.8 =
  22. 22.7.8 × 1.6 =
  23. 23.6.3 × 0.11 =
  24. 24.0.16 × 2.5 =
  25. 25.0.4 × 3.1 =
  26. 26.2.8 × 0.35 =
  27. 27.0.67 × 2.4 =
  28. 28.9.1 × 1.4 =
  29. 29.0.27 × 3.3 =
  30. 30.7.2 × 3.8 =
  31. 31.0.79 × 0.7 =
  32. 32.3.1 × 1.3 =
  33. 33.5.5 × 0.21 =
  34. 34.0.97 × 2.9 =
  35. 35.0.41 × 1.8 =
  36. 36.0.11 × 0.4 =
  37. 37.4.3 × 0.6 =
  38. 38.3.5 × 1.4 =
  39. 39.4.1 × 0.31 =
  40. 40.1.7 × 0.4 =

Answer key

  1. 2.479
  2. 6.6
  3. 0.165
  4. 10.26
  5. 0.819
  6. 0.672
  7. 1.218
  8. 0.792
  9. 2.812
  10. 0.328
  11. 3.783
  12. 2.44
  13. 1.095
  14. 0.55
  15. 6.67
  16. 3.135
  17. 7.28
  18. 1.302
  19. 30.71
  20. 1.86
  21. 1.558
  22. 12.48
  23. 0.693
  24. 0.4
  25. 1.24
  26. 0.98
  27. 1.608
  28. 12.74
  29. 0.891
  30. 27.36
  31. 0.553
  32. 4.03
  33. 1.155
  34. 2.813
  35. 0.738
  36. 0.044
  37. 2.58
  38. 4.9
  39. 1.271
  40. 0.68

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