Analysis of Mathematical Modeling Ability in Solving Combination Problems Using LIT Teaching Materials
Ika Meika1, Didi Suryadi2, Darhim3

Universitas Pendidikan Indonesia

Abstract

This article was written based on the results of student learning evaluation after learning combination by using Local Instruction Theory (LIT) teaching materials in realistic mathematics education. This study aims to explain the process of mathematical modeling of students in solving the problem of combinations that refers to the process of horizontal and vertical mathematization. The research method using case study approach by classifying the students into three categories of ability that is high, medium and low. From each capability category, one student is selected as the subject of the study. The results showed that students in high ability category, can perform all modeling process including the process of horizontal and vertical mathematization well. Students in the medium category, can perform the second stage modeling process that students can understand, simplify, perform the process of horizontal mathematization but students have not achieved vertical mathematization. Students in the low ability category are only able to work in the earliest modeling stages of understanding, simplifying and incomplete horizontal mathematization.

Keywords: combination, local instruction theory, mathematical modeling, mathematization

Topic: 1. Mathematics Education