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Critical Thinking Worksheet

Recommended for 2nd Grade — High School

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Critical Thinking Worksheet

Name: ____________________Date: ____________

Instructions: Analyzing riddles, spotting flaws in reasoning, and making evidence-based choices.

20 problems

  1. Which one does not belong? 1 10 5 4 9
  2. A = 15, B = 5, C = 4 → the smallest is ____
  3. Which one does not belong? 7 2 6 8 1
  4. Which one does not belong? 8 4 5 1 2
  5. Which one does not belong? 2 6 10 1 11
  6. A = 12, B = 3, C = 2 → the smallest is ____
  7. A = 15, B = 10, C = 7 → the smallest is ____
  8. Which one does not belong? 7 3 11 10 6
  9. A = 9, B = 2, C = 1 → the smallest is ____
  10. A = 19, B = 4, C = 2 → the smallest is ____
  11. Which one does not belong? 9 1 7 6 10
  12. A = 19, B = 5, C = 4 → the smallest is ____
  13. A = 12, B = 9, C = 2 → the smallest is ____
  14. A = 12, B = 10, C = 9 → the smallest is ____
  15. A = 20, B = 17, C = 1 → the smallest is ____
  16. A = 17, B = 11, C = 10 → the smallest is ____
  17. A = 20, B = 4, C = 1 → the smallest is ____
  18. A = 7, B = 2, C = 1 → the smallest is ____
  19. Which one does not belong? 2 4 6 1 11
  20. Which one does not belong? 10 1 6 12 5