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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 469 · 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. 1.4.8 × 0.14 =
  2. 2.0.85 × 2.8 =
  3. 3.1.8 × 0.03 =
  4. 4.9.1 × 0.07 =
  5. 5.4.1 × 0.11 =
  6. 6.0.39 × 2.8 =
  7. 7.0.33 × 2.7 =
  8. 8.0.2 × 0.32 =
  9. 9.0.04 × 2.4 =
  10. 10.0.02 × 0.8 =
  11. 11.8.5 × 3.3 =
  12. 12.4.5 × 0.23 =
  13. 13.2.9 × 1.9 =
  14. 14.6.2 × 2.9 =
  15. 15.0.5 × 1.3 =
  16. 16.9.4 × 0.11 =
  17. 17.2.2 × 0.04 =
  18. 18.9.4 × 3.7 =
  19. 19.3.4 × 0.29 =
  20. 20.0.56 × 1.1 =
  21. 21.4.2 × 0.17 =
  22. 22.9.9 × 3.7 =
  23. 23.0.8 × 3.7 =
  24. 24.0.29 × 1.2 =
  25. 25.5.1 × 0.21 =
  26. 26.7.7 × 0.3 =
  27. 27.0.36 × 1.3 =
  28. 28.1.5 × 0.5 =
  29. 29.3.4 × 3.3 =
  30. 30.0.92 × 1.5 =
  31. 31.6.3 × 0.34 =
  32. 32.0.12 × 0.8 =
  33. 33.8.8 × 3.1 =
  34. 34.3.9 × 0.04 =
  35. 35.8.1 × 3.2 =
  36. 36.7.1 × 0.12 =
  37. 37.0.83 × 1.1 =
  38. 38.0.5 × 0.15 =
  39. 39.0.52 × 0.3 =
  40. 40.4.6 × 0.3 =

Answer key

  1. 0.672
  2. 2.38
  3. 0.054
  4. 0.637
  5. 0.451
  6. 1.092
  7. 0.891
  8. 0.064
  9. 0.096
  10. 0.016
  11. 28.05
  12. 1.035
  13. 5.51
  14. 17.98
  15. 0.65
  16. 1.034
  17. 0.088
  18. 34.78
  19. 0.986
  20. 0.616
  21. 0.714
  22. 36.63
  23. 2.96
  24. 0.348
  25. 1.071
  26. 2.31
  27. 0.468
  28. 0.75
  29. 11.22
  30. 1.38
  31. 2.142
  32. 0.096
  33. 27.28
  34. 0.156
  35. 25.92
  36. 0.852
  37. 0.913
  38. 0.075
  39. 0.156
  40. 1.38

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