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