What question did this study set out to answer?

This study aims to analyze the effectiveness of Project-Based Learning (PjBL) in developing communication and problem-solving skills among elementary students in mathematics.

May 16, 2026Open Access

Developing Communication and Problem Solving in Elementary School Mathematics Learning Through Project-Based Learning

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Authors

RMRiandi MarisaIndonesia Open University JFJuli FirmansyahIndonesia Open University YSYulia SantiUniversitas Almuslim

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Implication

Randomized trial analyzes Project-Based Learning effectiveness for enhancing math skills in elementary students, suggesting a viable teaching strategy.

Key Points

This study aims to analyze the effectiveness of Project-Based Learning (PjBL) in developing communication and problem-solving skills among elementary students in mathematics.
Quasi-experimental method with pre-test and post-test control group design
Involved 60 fifth-grade students from two elementary schools in South Jakarta
Data collected through problem-solving tests, communication assessments, and observation sheets.
Experimental group using PjBL showed a 41% improvement in problem-solving skills (t = 4.523, p < 0.001, Cohen’s d = 1.12)
Mathematical communication improved by 44% in the experimental group (t = 3.876, p < 0.001, Cohen’s d = 0.95)
Control group using conventional methods improved by only 16% in problem-solving and 15% in communication.

Cite This Study

Marisa et al. (2026) studied this question.

synapsesocial.com/papers/6a080a5aa487c87a6a40c3e5 https://doi.org/10.22373/pjp.v15i1.34203

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Implication

Randomized trial analyzes Project-Based Learning effectiveness for enhancing math skills in elementary students, suggesting a viable teaching strategy.

Developing Communication and Problem Solving in Elementary School Mathematics Learning Through Project-Based Learning

Discussion

Member takes

Implication

Key Points

Cite This Study

Developing Communication and Problem Solving in Elementary School Mathematics Learning Through Project-Based Learning

Discussion

Member takes

Implication

Key Points

Cite This Study

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