JME (Journal of Mathematics Education)
Vol 11, No 2 (2026): JME (Jul - Dec)

Development of A Scratch-Assisted PBL-Based E-LKPD to Improve Junior High School Students’ Computational Thinking Skills in Algebra

Marisa Qonita (Tidar University)
Aprilia Nurul Chasanah (Tidar University)
Yesi Franita (Tidar University)



Article Info

Publish Date
28 Aug 2026

Abstract

This research focuses on creating an electronic student worksheet (E-LKPD) centered around Problem-Based Learning (PBL) through Scratch, aimed at improving students' computational thinking abilities in algebra at Ngadirejo Islamic Junior High School, located in Temanggung Regency. A Research and Development (RandD) method is utilized, following the ADDIE framework (Analysis, Design, Development, Implementation, Evaluation). The subjects of this research were the seventh-grade students in class VII H, and surveys served as the primary data collection tool. Validation outcomes show that the E-LKPD learning material received an average score of 86. 3%, categorizing it as "valid. " Student and teacher feedback also highlighted the E-LKPD's practicality, reflected in a score of 83. 47%. The integration of this resource into mathematics teaching significantly boosted students' computational thinking skills. The average scores climbed from 34. 97 before application to 68. 32 afterward, resulting in an N-gain score of 0. 5342, which is rated as "medium. " Therefore, it can be concluded that the E-LKPD is valid, practical, and effective in enhancing the computational thinking skills of students.

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Journal Info

Abbrev

JME

Publisher

Subject

Mathematics

Description

Menerima segala bentuk artikel dalam bidang pendidikan matematika Penelitian eksperimen, ekspost facto, penelitian korelasi, Penelitian pengembangan dan juga Systematic Literature ...