<![CDATA[This study aims to determine the effect of the Jigsaw cooperative learning model on the mathematics learning outcomes of sixth-grade students at SD Negeri 106805 Manunggal. The study employed a quantitative approach using a quasi-experimental design with a pretest-posttest nonequivalent control group design. The population consisted of 76 sixth-grade students, with a sample of 50 students comprising 23 students in the experimental class and 27 students in the control class. Data were collected through observation, pretest-posttest tests, and documentation. Data analysis involved tests of validity, reliability, normality, homogeneity, and the Independent Samples T-Test. The research instrument consisted of 10 valid and reliable essay questions, with a Cronbach’s Alpha value of 0.712 > 0.60 on the pretest and 0.836 > 0.60 on the posttest. The results indicated that the data were normally distributed and homogeneous. The significance value (Sig. 2-tailed) of 0.000 < 0.05 indicates that the Jigsaw cooperative learning model has a significant effect on the mathematics learning outcomes of sixth-grade students at SD Negeri 106805 Manunggal.]]>
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