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