<![CDATA[This study falls under the category of Classroom Action Research (CAR) and aimsto improve students' mathematics learning outcomes through the use of concreteinstructional media. The subjects of this research were the fifth-grade students ofclass V-A at UPT SPF SD Negeri 22 Palu, totaling 22 students, consisting of 14 girlsand 8 boys. The data collection technique used was a test, intended to measure thelevel of students' learning achievement. Based on the research findings, there wasan improvement in learning mastery from the pre-action stage to the second cycle.In the pre-action stage, 14 students, or 63.6%, achieved learning mastery. Thisnumber increased to 17 students (77.3%) in the first cycle and rose again to 19students (86.4%) in the second cycle. These results indicate that the use of concreteinstructional media is effective in enhancing mathematics learning outcomes forfifth-grade students at UPT SPF SD Negeri 22 Palu.]]>
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