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 12 5 1 4
- Which one does not belong? 2 9 6 11 1
- Which one does not belong? 8 7 5 2 1
- A = 5, B = 3, C = 2 → the smallest is ____
- A = 11, B = 8, C = 5 → the smallest is ____
- Which one does not belong? 3 4 12 8 1
- A = 7, B = 5, C = 2 → the smallest is ____
- A = 14, B = 3, C = 1 → the smallest is ____
- Which one does not belong? 3 2 5 10 9
- A = 17, B = 10, C = 1 → the smallest is ____
- A = 7, B = 3, C = 2 → the smallest is ____
- A = 14, B = 10, C = 9 → the smallest is ____
- Which one does not belong? 1 3 5 6 9
- Which one does not belong? 3 4 11 12 7
- A = 9, B = 4, C = 2 → the smallest is ____
- Which one does not belong? 4 9 11 2 10
- Which one does not belong? 11 5 12 2 10
- A = 18, B = 16, C = 9 → the smallest is ____
- Which one does not belong? 7 4 2 3 10
- A = 5, B = 3, C = 1 → the smallest is ____