摘要：The purpose of this study was to investigate the errors experienced by students learning with REACT strategy
and traditional learning in solving problems of mathematical representation ability. This study used quasi
experimental pattern with static-group comparison design. The subjects of this study were 47 eighth grade
students of junior high school in Bandung consisting of two samples. The instrument used was a test to
measure students' mathematical representation ability. The reliability coefficient about the mathematical
representation ability was 0.56. The most prominent errors of mathematical representation ability of students
learning with REACT strategy and traditional learning, was on indicator that solving problem involving
arithmetic symbols (symbolic representation). In addition, errors were also experienced by many students with
traditional learning on the indicator of making the image of a real world situation to clarify the problem and
facilitate its completion (visual representation).
关键词：Errors; REACT Strategy; Problems of Mathematical Representation Ability
