Action Research: CPA Math Word Wall Group Competition to Improve Conceptual Understanding in Algebra Problem Solving Activities

Abstract

This Classroom Action Research (CAR) aims to overcome the low understanding of algebraic concepts and anxiety by applying the CPA math word wall group competition. CAR is carried out in 3 cycles. CAR is imposed on 32 7th grade students of SMP N 12 Purworejo. The research instrument used observation sheets and essay tests. The data analysis technique used a paired sample T-test to see an increase in concept understanding. The results of the study indicate that the application of CPA math word wall group competition can improve students' conceptual understanding.