Analisis Kesalahan dalam Menyelesaikan Soal Bentuk Aljabar pada Siswa Kelas VII SMPN 2 Lingsar Tahun Ajaran 2021/2022

This research aims to find out the mistakes made by students and factors that cause in solving algebraic form problems terms of Polya steps. type is descriptive qualitative. The sample used was 28 with sampling technique being proportionate stratified random sampling. Data collection techniques are carried tests interviews. Based on analysis student test results, error were obtained each question item, namely, errors understanding problem, drawing up plans, implementing plan, re-examining. results showed percentage whole 44% problem sufficient categories, 36% drafting plans low plan 33% re-examining 61% high category. students' questions not careful reading writing down their work, do understand or prerequisite materials, both nature, formulas, procedures for working questions, desire answer briefly things known asked. As well as