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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 863 · 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. 1.9.6 × 0.33 =
  2. 2.1.2 × 0.13 =
  3. 3.0.82 × 2.1 =
  4. 4.0.93 × 3.6 =
  5. 5.0.83 × 1.2 =
  6. 6.8.1 × 3.3 =
  7. 7.8.8 × 0.6 =
  8. 8.6.7 × 0.11 =
  9. 9.3.1 × 3.9 =
  10. 10.0.65 × 2.4 =
  11. 11.0.7 × 3.1 =
  12. 12.0.27 × 3.8 =
  13. 13.0.22 × 3.1 =
  14. 14.7.9 × 3.9 =
  15. 15.0.46 × 3.2 =
  16. 16.0.68 × 2.2 =
  17. 17.3.8 × 0.06 =
  18. 18.0.84 × 2.2 =
  19. 19.9.7 × 0.8 =
  20. 20.0.76 × 2.8 =
  21. 21.6.1 × 0.5 =
  22. 22.0.33 × 3.5 =
  23. 23.0.9 × 0.8 =
  24. 24.1.3 × 0.14 =
  25. 25.0.46 × 0.4 =
  26. 26.0.21 × 3.1 =
  27. 27.8.9 × 1.7 =
  28. 28.0.8 × 2.2 =
  29. 29.9.3 × 0.11 =
  30. 30.0.22 × 0.4 =
  31. 31.0.15 × 2.3 =
  32. 32.4.1 × 3.9 =
  33. 33.0.61 × 1.2 =
  34. 34.0.19 × 1.9 =
  35. 35.6.2 × 1.3 =
  36. 36.5.8 × 3.4 =
  37. 37.5.6 × 0.5 =
  38. 38.0.8 × 0.39 =
  39. 39.0.5 × 0.11 =
  40. 40.7.8 × 0.27 =

Answer key

  1. 3.168
  2. 0.156
  3. 1.722
  4. 3.348
  5. 0.996
  6. 26.73
  7. 5.28
  8. 0.737
  9. 12.09
  10. 1.56
  11. 2.17
  12. 1.026
  13. 0.682
  14. 30.81
  15. 1.472
  16. 1.496
  17. 0.228
  18. 1.848
  19. 7.76
  20. 2.128
  21. 3.05
  22. 1.155
  23. 0.72
  24. 0.182
  25. 0.184
  26. 0.651
  27. 15.13
  28. 1.76
  29. 1.023
  30. 0.088
  31. 0.345
  32. 15.99
  33. 0.732
  34. 0.361
  35. 8.06
  36. 19.72
  37. 2.8
  38. 0.312
  39. 0.055
  40. 2.106

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