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? 6 12 8 1 11
- Which one does not belong? 12 2 11 6 7
- A = 13, B = 3, C = 1 → the smallest is ____
- Which one does not belong? 5 9 12 8 11
- A = 17, B = 3, C = 1 → the smallest is ____
- Which one does not belong? 1 3 12 9 7
- A = 6, B = 4, C = 2 → the smallest is ____
- A = 9, B = 6, C = 1 → the smallest is ____
- Which one does not belong? 3 1 2 4 9
- A = 18, B = 16, C = 14 → the smallest is ____
- Which one does not belong? 11 7 2 1 8
- Which one does not belong? 9 10 1 8 12
- Which one does not belong? 6 10 5 3 8
- A = 9, B = 5, C = 3 → the smallest is ____
- Which one does not belong? 4 8 3 9 6
- Which one does not belong? 6 1 8 10 2
- A = 16, B = 2, C = 1 → the smallest is ____
- A = 7, B = 2, C = 1 → the smallest is ____
- A = 11, B = 2, C = 1 → the smallest is ____
- A = 15, B = 7, C = 6 → the smallest is ____