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