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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 695 · 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. 1.1.4 × 3.7 =
  2. 2.0.19 × 0.8 =
  3. 3.6.3 × 0.08 =
  4. 4.4.1 × 0.25 =
  5. 5.0.95 × 0.3 =
  6. 6.0.23 × 0.4 =
  7. 7.4.3 × 0.11 =
  8. 8.0.05 × 1.8 =
  9. 9.6.3 × 0.11 =
  10. 10.0.9 × 0.39 =
  11. 11.5.9 × 0.38 =
  12. 12.2.9 × 0.34 =
  13. 13.6.4 × 3.3 =
  14. 14.0.64 × 0.9 =
  15. 15.7.1 × 1.6 =
  16. 16.0.07 × 2.8 =
  17. 17.0.31 × 0.4 =
  18. 18.0.16 × 1.1 =
  19. 19.6.7 × 0.5 =
  20. 20.7.1 × 0.28 =
  21. 21.0.56 × 1.1 =
  22. 22.4.1 × 1.6 =
  23. 23.0.99 × 3.9 =
  24. 24.0.21 × 0.6 =
  25. 25.7.3 × 3.1 =
  26. 26.0.78 × 1.9 =
  27. 27.4.6 × 1.9 =
  28. 28.1.1 × 2.8 =
  29. 29.0.97 × 3.5 =
  30. 30.6.7 × 0.03 =
  31. 31.0.9 × 3.6 =
  32. 32.1.8 × 0.3 =
  33. 33.8.1 × 2.7 =
  34. 34.9.4 × 0.33 =
  35. 35.0.95 × 1.4 =
  36. 36.0.76 × 2.5 =
  37. 37.0.85 × 3.3 =
  38. 38.9.3 × 0.03 =
  39. 39.0.95 × 1.3 =
  40. 40.5.6 × 2.4 =

Answer key

  1. 5.18
  2. 0.152
  3. 0.504
  4. 1.025
  5. 0.285
  6. 0.092
  7. 0.473
  8. 0.09
  9. 0.693
  10. 0.351
  11. 2.242
  12. 0.986
  13. 21.12
  14. 0.576
  15. 11.36
  16. 0.196
  17. 0.124
  18. 0.176
  19. 3.35
  20. 1.988
  21. 0.616
  22. 6.56
  23. 3.861
  24. 0.126
  25. 22.63
  26. 1.482
  27. 8.74
  28. 3.08
  29. 3.395
  30. 0.201
  31. 3.24
  32. 0.54
  33. 21.87
  34. 3.102
  35. 1.33
  36. 1.9
  37. 2.805
  38. 0.279
  39. 1.235
  40. 13.44

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