Critical Thinking Worksheet
Recommended for 2nd Grade — High School
Critical Thinking Worksheet
Name: ____________________Date: ____________
Instructions: Analyzing riddles, spotting flaws in reasoning, and making evidence-based choices.
20 problems
- Which one does not belong? 11 1 6 5 2
- Which one does not belong? 7 11 9 1 2
- A = 20, B = 15, C = 7 → the smallest is ____
- Which one does not belong? 10 4 9 1 5
- A = 17, B = 14, C = 6 → the smallest is ____
- Which one does not belong? 5 4 10 3 7
- Which one does not belong? 8 10 12 4 6
- A = 7, B = 5, C = 1 → the smallest is ____
- Which one does not belong? 9 7 1 3 5
- A = 15, B = 9, C = 3 → the smallest is ____
- A = 20, B = 5, C = 3 → the smallest is ____
- Which one does not belong? 12 3 7 10 6
- Which one does not belong? 10 3 1 8 12
- A = 14, B = 4, C = 2 → the smallest is ____
- A = 13, B = 2, C = 1 → the smallest is ____
- Which one does not belong? 4 7 2 6 8
- A = 19, B = 13, C = 4 → the smallest is ____
- A = 19, B = 2, C = 1 → the smallest is ____
- Which one does not belong? 8 10 5 4 6
- A = 18, B = 9, C = 7 → the smallest is ____