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Journal : Sigma

The Effectiveness Of Using TPACK-Integrated Learning Media On The Learning Outcomes Of Exponentiation Among Eighth-Grade Students Rizkiana, Nila; Sridana, Nyoman; Kurniawan, Eka
Sigma&Mu: Journal of Mathematics Education, Mathematics, Statistics and Data Science Vol. 3 No. 2 (2025): September
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/sigmamu.v3i2.347

Abstract

The background of this study is the low student learning outcomes, the ineffective learning process, and the lack of teacher interaction. This research aims to examine the effectiveness of using TPACK-integrated learning media on the learning outcomes of exponent numbers among eighth-grade students at SMP Negeri 1 Kediri. The research approach used is quantitative, with a research design of Pretest-Posttest Only Control Group Design. The population in this study includes all eighth-grade students at SMPN 1 Kediri, and the sampling technique used is purposive sampling. The selected sample consists of class VIIIC as the control group and class VIIIE as the experimental group. The research instruments include test questions, observations, and student response questionnaires. The data analysis techniques used in this study are descriptive and inferential statistical analysis. The learning media used include instructional videos, Liveworksheets-based LKPD, and Kahoot. The results of the study indicate that the use of TPACK-integrated learning media is effective in improving the learning outcomes of exponent numbers among eighth-grade students at SMP Negeri 1 Kediri in the 2024/2025 academic year. This effectiveness is demonstrated by: (1) An increase in the average learning outcomes of the experimental class by 0.7342, which falls into the high category. (2) A significant difference in the average mathematics learning outcomes between the control and experimental classes, as indicated by the independent sample t-test, where t_calculated > t_table (6.104 > 2.005).
An Analysis Of Mathematical Literacy Skills In Solving Pisa Mathematics Problems Among Students Santiwidia, Arwini; Arjudin; Kurniawan, Eka; Prayitno, Sudi
Sigma&Mu: Journal of Mathematics Education, Mathematics, Statistics and Data Science Vol. 4 No. 1 (2026): March
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/sigmamu.v4i1.435

Abstract

This study aims to analyze mathematical literacy skills in solving PISA mathematics questions based on the level of mathematical literacy skills among students at SMPN 13 Mataram in the 2024/2025 academic year. This is a descriptive qualitative study involving 52 students from classes IX A and IX B, with 8 students selected as subjects. The research instruments used were a mathematics literacy test adapted from PISA and interview guidelines. Data were analyzed based on mathematics literacy process indicators (formulate, employ, interpret). The results showed that out of the 6 levels of mathematical literacy, no students reached levels 5 and 6. At level 1, students could formulate explicit information and solve problems using simple algorithms, at level 2, they could identify implicit information and select basic strategies to solve problems; at level 3, they could process complex explicit information containing distractors and develop sequential strategies for decision-making, while Level 4 can formulate explicit information in everyday contexts and apply strategies to complex concrete situations. Students at Levels 1-4 also have the ability to interpret and draw conclusions based on the context of the problem.