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