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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 409 · 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. 1.0.96 × 1.9 =
  2. 2.0.64 × 1.8 =
  3. 3.0.82 × 1.3 =
  4. 4.0.49 × 2.2 =
  5. 5.7.7 × 1.3 =
  6. 6.4.3 × 0.35 =
  7. 7.1.8 × 0.05 =
  8. 8.2.5 × 3.2 =
  9. 9.0.51 × 2.7 =
  10. 10.0.2 × 3.3 =
  11. 11.0.87 × 0.2 =
  12. 12.8.8 × 1.7 =
  13. 13.0.12 × 0.2 =
  14. 14.0.61 × 1.5 =
  15. 15.0.5 × 0.28 =
  16. 16.0.27 × 3.9 =
  17. 17.4.5 × 0.27 =
  18. 18.0.4 × 3.8 =
  19. 19.0.13 × 0.9 =
  20. 20.1.6 × 2.7 =
  21. 21.4.9 × 0.7 =
  22. 22.0.16 × 1.5 =
  23. 23.6.1 × 0.4 =
  24. 24.2.1 × 1.5 =
  25. 25.3.4 × 0.28 =
  26. 26.6.2 × 0.6 =
  27. 27.5.6 × 0.8 =
  28. 28.0.41 × 3.9 =
  29. 29.5.6 × 0.07 =
  30. 30.7.3 × 2.5 =
  31. 31.0.67 × 0.7 =
  32. 32.1.7 × 0.33 =
  33. 33.0.13 × 2.2 =
  34. 34.8.4 × 0.5 =
  35. 35.0.3 × 0.12 =
  36. 36.9.4 × 0.7 =
  37. 37.5.4 × 1.9 =
  38. 38.7.6 × 2.6 =
  39. 39.0.02 × 3.7 =
  40. 40.0.22 × 2.3 =

Answer key

  1. 1.824
  2. 1.152
  3. 1.066
  4. 1.078
  5. 10.01
  6. 1.505
  7. 0.09
  8. 8
  9. 1.377
  10. 0.66
  11. 0.174
  12. 14.96
  13. 0.024
  14. 0.915
  15. 0.14
  16. 1.053
  17. 1.215
  18. 1.52
  19. 0.117
  20. 4.32
  21. 3.43
  22. 0.24
  23. 2.44
  24. 3.15
  25. 0.952
  26. 3.72
  27. 4.48
  28. 1.599
  29. 0.392
  30. 18.25
  31. 0.469
  32. 0.561
  33. 0.286
  34. 4.2
  35. 0.036
  36. 6.58
  37. 10.26
  38. 19.76
  39. 0.074
  40. 0.506

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