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 2 5 10
- A = 18, B = 3, C = 2 → the smallest is ____
- A = 15, B = 4, C = 2 → the smallest is ____
- A = 10, B = 8, C = 7 → the smallest is ____
- A = 15, B = 5, C = 1 → the smallest is ____
- A = 12, B = 9, C = 5 → the smallest is ____
- A = 10, B = 3, C = 1 → the smallest is ____
- Which one does not belong? 3 6 7 2 4
- Which one does not belong? 10 12 7 9 3
- Which one does not belong? 4 8 1 5 9
- A = 20, B = 4, C = 3 → the smallest is ____
- Which one does not belong? 5 11 12 7 8
- A = 16, B = 5, C = 1 → the smallest is ____
- A = 20, B = 5, C = 4 → the smallest is ____
- Which one does not belong? 6 10 9 7 3
- A = 17, B = 11, C = 9 → the smallest is ____
- A = 18, B = 12, C = 2 → the smallest is ____
- Which one does not belong? 8 12 5 10 9
- Which one does not belong? 8 11 1 4 9
- Which one does not belong? 8 12 3 7 6