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