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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 90 · 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. 1.0.36 × 2.2 =
  2. 2.0.92 × 1.1 =
  3. 3.7.3 × 2.6 =
  4. 4.0.96 × 0.5 =
  5. 5.0.13 × 2.1 =
  6. 6.0.33 × 1.1 =
  7. 7.6.6 × 0.15 =
  8. 8.0.82 × 2.3 =
  9. 9.1.3 × 3.4 =
  10. 10.7.9 × 2.8 =
  11. 11.0.18 × 0.9 =
  12. 12.5.3 × 0.19 =
  13. 13.8.2 × 3.1 =
  14. 14.0.14 × 3.2 =
  15. 15.5.5 × 0.2 =
  16. 16.0.06 × 3.7 =
  17. 17.0.11 × 2.4 =
  18. 18.2.4 × 1.1 =
  19. 19.4.3 × 1.8 =
  20. 20.0.8 × 0.9 =
  21. 21.0.3 × 3.6 =
  22. 22.0.96 × 3.1 =
  23. 23.0.73 × 2.7 =
  24. 24.4.1 × 0.8 =
  25. 25.4.1 × 0.14 =
  26. 26.6.6 × 1.1 =
  27. 27.7.7 × 0.9 =
  28. 28.4.1 × 0.9 =
  29. 29.0.89 × 1.4 =
  30. 30.7.5 × 2.8 =
  31. 31.0.19 × 1.5 =
  32. 32.6.8 × 0.8 =
  33. 33.9.1 × 0.3 =
  34. 34.0.11 × 1.1 =
  35. 35.1.7 × 0.07 =
  36. 36.0.29 × 2.4 =
  37. 37.0.93 × 3.9 =
  38. 38.7.2 × 1.9 =
  39. 39.0.36 × 0.9 =
  40. 40.2.6 × 3.2 =

Answer key

  1. 0.792
  2. 1.012
  3. 18.98
  4. 0.48
  5. 0.273
  6. 0.363
  7. 0.99
  8. 1.886
  9. 4.42
  10. 22.12
  11. 0.162
  12. 1.007
  13. 25.42
  14. 0.448
  15. 1.1
  16. 0.222
  17. 0.264
  18. 2.64
  19. 7.74
  20. 0.72
  21. 1.08
  22. 2.976
  23. 1.971
  24. 3.28
  25. 0.574
  26. 7.26
  27. 6.93
  28. 3.69
  29. 1.246
  30. 21
  31. 0.285
  32. 5.44
  33. 2.73
  34. 0.121
  35. 0.119
  36. 0.696
  37. 3.627
  38. 13.68
  39. 0.324
  40. 8.32

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