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