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This research aims to determine the application of the jigsaw type cooperative learning model to fifth grade students at Hasanuddin Elementary School, Medan Helvetia, in the mathematics subject of integers. This type of research uses PTK (Classroom Action Research). The subjects in this research were all 30 fifth grade students at Hasanuddin Elementary School, consisting of 13 men and 17 women. Meanwhile, the object of this researcher is to improve student learning outcomes in mathematics subjects covering integers. We can observe data on the comprehension abilities of class V students in classes using the Jigsaw model in table 1, then the data is analyzed using the SPSS version 25.0 application. The results of data analysis show that the learning outcomes in class V using the Jigsaw model obtained a class average score of 83.30. The average value of students' mathematical understanding was classified as good, followed by the highest score obtained by class V students at Hasanudin Elementary School was 100. 00 and the lowest value is 63.00. Based on data processing on the mathematical understanding ability of fifth grade students at Hasanuddin Elementary School using the Jigsaw model, it is known that 3 students got scores in the range of 56-70 (medium category) or 10.0% of the entire sample, 14 students got scores in the range. 71-85 (good category) or 46.7% of the entire sample, and 13 students got scores in the range of 86-100 (very good category) or 43.3% of the entire sample.

This study aims to determine the effect of using digital flipbook media in improving the understanding of grade v students on mathematical integers in elementary school. This research is a quantitative research. This research uses an experimental method with an initial test design (pre-test) and a final test (post-test) used in two groups, namely the control group and the experimental group. The study population was all fifth grade students. The research sample was 60 students who were divided into two groups of 30 students each with simple random sampling technique. Data collection techniques through interviews, learning outcomes tests, learning motivation questionnaires and documentation. As for data analysis techniques using normality test, homogeneity test, and hypothesis testing with the right party t test formula and two-party t test. The average posttest in the experimental class> control class (82.5> 74.6). The results of the t-test of student learning outcomes obtained data significance ≤ 0.05 which shows digital flipbook learning media affect student learning outcomes on fractional number material. The correlation test results obtained rcount = 0.645 (strong category) so that there is a positive correlation between motivation and student learning outcomes. So it is stated that there is a positive and significant influence of the use of digital flipbook media on student motivation and learning outcomes in elementary school math fractions.

This research was conducted at SD Negeri Karyabakti IV, aimed to determine whether the cooperative learning model of STAD (Student Teams Achievements Divisions) could enhance mathematics learning outcomes on the topic of mixed operations of integers for fourth-grade students at SD Negeri Karyabakti IV. The subjects of the study were 37 fourth-grade students consisting of 22 male students and 15 female students. Data collection was carried out through observations conducted by the school principal and peers, and also by assessing students' mathematics learning outcomes through written tests. The results of this study can be summarized as follows: 1) The Student Teams Achievement Divisions (STAD) learning method applied by the researcher to fourth-grade students at SD Negeri Karyabakti IV, focusing on the topic of mixed operations of integers, could enhance students' mathematics learning outcomes. This can be seen in the improvement of students' mathematics learning outcomes from the pre-cycle stage with a KKM completeness rate of 10.81%, which increased to 45.54% in the first cycle and further increased to 72.97% in the second cycle. 2) The mathematics learning using the Student Teams Achievement Divisions (STAD) method also improved teacher performance.

Based on the results of observations made on February 26, 2023 at SD Negeri 1 Budong-budong, the researchers obtained information through explanations from the teacher and homeroom teacher for class III at UPTD SDN No. 1 Budong-Budong, Kab. Central Mamuju where teachers have not used varied learning media which has resulted in less interest in learning mathematics so that it has an impact on students' quality and mastery of the material as well as having an impact on student learning outcomes themselves and showing less than optimal student learning outcomes in mathematics. The research objective in this study namely to find out the effect of the application of colored number card media on learning outcomes of mathematics on integer operations material for class III UPTD SDN No. 1 Budong-Budong, Kec. Budong-budong, Kab. Middle Mamuju. This research uses experimental research. Experimental research method. The sampling technique used is Saturated Sampling, which is a sampling technique when all members of the population are used as samples and the total population is relatively small, less than 30 people. The sample is class III with a total of 19 students. This study used descriptive analysis and inferential statistical analysis. Learning outcomes can be seen from the results of the posttest, which has an average score of 71.58, much different from the pretest result of 35.97. The results of this research hypothesis obtained that the sample selected in this study was class III with a total of 19 students. The results of the research hypothesis obtained tcount > ttable, namely 6.350 > 2.10092 and a sig value of 0.000 <0.05, so it can be concluded that H0 is rejected and H1 is accepted. integers for class III UPTD SDN No. 1 Budong-Budong, Kab. Central Mamuju.

The purpose of this study was to find out how the use of slide rule media can improve students' numeracy skills in integer arithmetic operations for Kanatang State Special School students. This Classroom Action Research (PTK) was conducted at the Kanatang Foreign School in the Odd Semester of the 2022/2023 academic year. The subjects in this study were the students of the Kanatang State Special School, which consisted of 10 students, namely 5 students and 5 female students. The research object is the Ruler Count media in learning addition and subtraction of integers in Mathematics. The procedures/steps of this Classroom Action Research consist of cycles. Implementation of this Classroom Action Research each cycle includes: planning, implementation of action, observation, and reflection. The instruments used in this study were pre-test questions, post-test questions for each cycle, and interview guidelines. The questions made consist of 10 numbers in the form of an essay test. The data collection technique used was the provision of tests, interviews, observations and field notes. The instrument used is a test in the form of a description. Data collection was carried out in three stages, namely: (1) reducing data, (2) presenting data, and (3) drawing conclusions. The results showed that student activities and teacher activities in learning activities in cycle I reached the Good category and cycle II was very good. The results of the analysis of the final test cycle I obtained the percentage of average scores with student absorption reaching 60% and learning completeness reaching a percentage 70% of 10 students. Whereas in the analysis of the final test cycle II there was an increase according to the results of observations of student and teacher activities, the percentage of the average value of student absorption reached 90% with classical learning completeness reaching the target percentage of 100% of 10 students. This has shown that there is an increase in the learning outcomes of Kanatang State Special School students in the material of addition and subtraction of integers by using the integer slide rule.

This study examined the average student mathematics learning outcomes when the Blended Learning Model was applied to learning integer material. The study design used was: Posttest Only Control Group Design. The population in this study was all of class VII at SMP Negeri 6 Tondano. In contrast, the samples in this study were class VII B, with 21 students as the experimental class and class VII A as the control class with 21 students. This study's analysis showed that the experimental class's average posttest score was 84,76, while the average posttest score for the control class was 74,28. The study results were analyzed using the T-test statistic at s significant level of 0,05, namely Tcount = 3,636 > Ttable = 1,725, so that H0 was rejected and H1 was accepted. The Blended Learning Model can improve student learning outcomes based on these results.