PENGARUH PENDEKATAN MATEMATIKA REALISTIK TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA KELAS VII SMP NEGERI 3 BINJAI

Dewi Kartika; Sri Zulhayana; Dewi Rulia

doi:10.37755/jsm.v18i2.2464

Authors

Dewi Kartika STKIP Budidaya
Sri Zulhayana STKIP Budidaya
Dewi Rulia

DOI:

https://doi.org/10.37755/jsm.v18i2.2464

Keywords:

Matematika Realistik, Kemampuan Berpikir Kritis, Siswa

Abstract

This study aims to determine the effect of a realistic mathematics approach on the mathematical critical thinking ability of seventh-grade students of SMP Negeri 3 Binjai. Mathematical critical thinking ability is an important aspect in mathematics learning that reflects logical, analytical, and reflective thinking skills in solving problems. This type of research is a quasi-experimental study with a non-equivalent control group design. The research sample consisted of two classes, namely the experimental class taught with a realistic mathematics approach and the control class taught with conventional learning. Data collection techniques were carried out through pretests, posttests, and data analysis was carried out using descriptive statistics and hypothesis testing. The results of the study showed that there was a significant difference in the average mathematical critical thinking ability between the experimental class and the control class. The average posttest score of students in the experimental class was 74.10, while the control class only reached 45.87. The results of the hypothesis test showed that the calculated t value of 18.775 was greater than the t table of 1.70, so H₀ was rejected and Ha was accepted. Therefore, the realistic mathematics approach has a significant influence on improving students' mathematical critical thinking skills.

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