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