Action Proof: Analyzing Elementary School Students Informal Proving Stages through Counter-examples

Both female and male elementary school students have difficulty doing action proof by using manipulative objects to provide conjectures of the truth a mathematical statement. Counter-examples can help build informal stages propose statement more precisely. This study analyzes through counter-examples stimulation for in schools. The stage this focuses on three stages: proved their primitive conjecture, confronted counter-examples, re-examined conjecture proof. type research used is qualitative with case approach. subjects were two 40 fifth-grade selected purposively. instrument task interview guidelines. Data collection techniques consist Tasks, documentation, interviews. data analysis technique consists reduction, presentation, concluding. results show that at proving made proofs are still wrong. At showed an improvement. re-examining proof, comprehensive. It be concluded actions indicate improvement comprehensive