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