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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 573 · 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. 1.7.7 × 0.12 =
  2. 2.0.46 × 2.6 =
  3. 3.0.26 × 3.5 =
  4. 4.0.89 × 1.6 =
  5. 5.5.3 × 0.18 =
  6. 6.0.22 × 1.7 =
  7. 7.5.2 × 0.11 =
  8. 8.0.76 × 1.1 =
  9. 9.5.1 × 1.8 =
  10. 10.3.2 × 2.1 =
  11. 11.0.05 × 2.9 =
  12. 12.3.2 × 0.5 =
  13. 13.3.9 × 1.6 =
  14. 14.0.57 × 0.3 =
  15. 15.0.45 × 1.7 =
  16. 16.9.1 × 1.6 =
  17. 17.8.1 × 0.09 =
  18. 18.5.4 × 1.6 =
  19. 19.8.4 × 0.04 =
  20. 20.0.27 × 0.2 =
  21. 21.0.37 × 3.9 =
  22. 22.5.5 × 0.8 =
  23. 23.9.4 × 1.7 =
  24. 24.7.1 × 0.08 =
  25. 25.0.9 × 1.2 =
  26. 26.0.51 × 0.2 =
  27. 27.8.8 × 2.1 =
  28. 28.0.29 × 3.1 =
  29. 29.0.68 × 1.2 =
  30. 30.0.71 × 2.9 =
  31. 31.0.57 × 0.6 =
  32. 32.8.1 × 2.8 =
  33. 33.0.76 × 1.4 =
  34. 34.3.7 × 1.9 =
  35. 35.2.4 × 0.6 =
  36. 36.0.65 × 3.7 =
  37. 37.5.7 × 0.7 =
  38. 38.4.1 × 1.1 =
  39. 39.0.81 × 3.6 =
  40. 40.0.18 × 3.9 =

Answer key

  1. 0.924
  2. 1.196
  3. 0.91
  4. 1.424
  5. 0.954
  6. 0.374
  7. 0.572
  8. 0.836
  9. 9.18
  10. 6.72
  11. 0.145
  12. 1.6
  13. 6.24
  14. 0.171
  15. 0.765
  16. 14.56
  17. 0.729
  18. 8.64
  19. 0.336
  20. 0.054
  21. 1.443
  22. 4.4
  23. 15.98
  24. 0.568
  25. 1.08
  26. 0.102
  27. 18.48
  28. 0.899
  29. 0.816
  30. 2.059
  31. 0.342
  32. 22.68
  33. 1.064
  34. 7.03
  35. 1.44
  36. 2.405
  37. 3.99
  38. 4.51
  39. 2.916
  40. 0.702

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