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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 326 · 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. 1.3.1 × 0.08 =
  2. 2.0.48 × 1.9 =
  3. 3.4.1 × 2.1 =
  4. 4.0.08 × 1.2 =
  5. 5.3.1 × 3.4 =
  6. 6.2.3 × 0.31 =
  7. 7.0.2 × 0.11 =
  8. 8.7.1 × 0.02 =
  9. 9.0.6 × 1.7 =
  10. 10.3.1 × 0.19 =
  11. 11.0.51 × 1.4 =
  12. 12.1.9 × 0.37 =
  13. 13.0.68 × 1.9 =
  14. 14.2.4 × 0.25 =
  15. 15.5.9 × 3.2 =
  16. 16.0.82 × 3.1 =
  17. 17.5.6 × 0.34 =
  18. 18.0.38 × 0.7 =
  19. 19.0.91 × 0.2 =
  20. 20.0.51 × 2.8 =
  21. 21.8.7 × 0.02 =
  22. 22.0.19 × 3.2 =
  23. 23.3.9 × 0.34 =
  24. 24.2.9 × 0.3 =
  25. 25.0.84 × 1.7 =
  26. 26.7.5 × 0.09 =
  27. 27.1.4 × 3.2 =
  28. 28.0.31 × 3.7 =
  29. 29.0.14 × 2.8 =
  30. 30.0.51 × 0.3 =
  31. 31.1.5 × 3.2 =
  32. 32.0.2 × 0.31 =
  33. 33.0.98 × 0.7 =
  34. 34.0.72 × 2.6 =
  35. 35.0.4 × 2.7 =
  36. 36.7.1 × 0.32 =
  37. 37.6.1 × 0.03 =
  38. 38.3.7 × 0.3 =
  39. 39.2.1 × 0.06 =
  40. 40.9.6 × 0.28 =

Answer key

  1. 0.248
  2. 0.912
  3. 8.61
  4. 0.096
  5. 10.54
  6. 0.713
  7. 0.022
  8. 0.142
  9. 1.02
  10. 0.589
  11. 0.714
  12. 0.703
  13. 1.292
  14. 0.6
  15. 18.88
  16. 2.542
  17. 1.904
  18. 0.266
  19. 0.182
  20. 1.428
  21. 0.174
  22. 0.608
  23. 1.326
  24. 0.87
  25. 1.428
  26. 0.675
  27. 4.48
  28. 1.147
  29. 0.392
  30. 0.153
  31. 4.8
  32. 0.062
  33. 0.686
  34. 1.872
  35. 1.08
  36. 2.272
  37. 0.183
  38. 1.11
  39. 0.126
  40. 2.688

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