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