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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 535 · 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. 1.0.95 × 2.4 =
  2. 2.0.42 × 0.4 =
  3. 3.1.3 × 2.3 =
  4. 4.2.5 × 0.4 =
  5. 5.0.55 × 2.7 =
  6. 6.0.66 × 1.6 =
  7. 7.0.58 × 1.3 =
  8. 8.0.22 × 1.1 =
  9. 9.0.57 × 2.1 =
  10. 10.7.6 × 0.6 =
  11. 11.0.57 × 1.6 =
  12. 12.0.97 × 1.2 =
  13. 13.5.7 × 0.21 =
  14. 14.0.44 × 1.8 =
  15. 15.4.3 × 0.05 =
  16. 16.5.9 × 0.32 =
  17. 17.0.68 × 2.4 =
  18. 18.5.9 × 3.6 =
  19. 19.9.5 × 0.4 =
  20. 20.4.1 × 0.35 =
  21. 21.7.5 × 3.1 =
  22. 22.8.6 × 0.22 =
  23. 23.0.22 × 3.8 =
  24. 24.3.2 × 0.23 =
  25. 25.0.52 × 1.1 =
  26. 26.5.7 × 1.2 =
  27. 27.4.6 × 0.31 =
  28. 28.7.3 × 2.1 =
  29. 29.0.31 × 2.1 =
  30. 30.0.17 × 2.8 =
  31. 31.0.08 × 0.7 =
  32. 32.0.45 × 0.7 =
  33. 33.0.31 × 0.3 =
  34. 34.8.1 × 0.35 =
  35. 35.0.59 × 3.2 =
  36. 36.0.79 × 1.2 =
  37. 37.0.65 × 1.1 =
  38. 38.7.2 × 2.3 =
  39. 39.0.93 × 0.3 =
  40. 40.8.7 × 0.02 =

Answer key

  1. 2.28
  2. 0.168
  3. 2.99
  4. 1
  5. 1.485
  6. 1.056
  7. 0.754
  8. 0.242
  9. 1.197
  10. 4.56
  11. 0.912
  12. 1.164
  13. 1.197
  14. 0.792
  15. 0.215
  16. 1.888
  17. 1.632
  18. 21.24
  19. 3.8
  20. 1.435
  21. 23.25
  22. 1.892
  23. 0.836
  24. 0.736
  25. 0.572
  26. 6.84
  27. 1.426
  28. 15.33
  29. 0.651
  30. 0.476
  31. 0.056
  32. 0.315
  33. 0.093
  34. 2.835
  35. 1.888
  36. 0.948
  37. 0.715
  38. 16.56
  39. 0.279
  40. 0.174

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