The background of this classroom action research was to find out the low level of learning achievement of fourth grade students of SDN 2 Suban on Mathematics. This is because the learning model used is less attractive to students. The researcher conducted this study with the aim of analyzing the design of learning, the process of learning activities, learning models, and learning achievement of fourth grade students on Thematic subjects. Based on the fact that the student's learning outcomes are low, the writer conducts classroom action research with the intention of improving student learning outcomes. Collaborating with fellow writers trying to use the Discovery Learning model in learning carried out in the first cycle and second cycle, to improve the learning achievement of fourth grade students of SDN 2 Suban. The plan for improving learning through this research turns out that using the Discovery Learning model can improve student learning achievement. From the evaluation results, it can be seen that the percentage of learning outcomes of students who can achieve KKM with the acquisition of the percentage of pre-cycle 30%, cycle I 65%, cycle II 91%. Thus the author feels the need to master and use various learning models in each learning activity in the School.
Keywords: Discovery Learning, Mathematics and Learning Achievement
This study aims to improve learning outcomes in PKn subjects through the STAD learning model in class II SDN students. This type of research is Classroom Action Research. The results of the study show that the implementation of learning through the STAD model can improve the learning outcomes of class II SDN students. Increasing student learning outcomes by using the STAD learning model from pre-cycle students who completed reaching 8 students with a percentage of 36%, in the first cycle increased to 14 students who completed with a percentage of 64%, and in the second cycle increased again to 19 students who completed with a percentage reaching 86%. Related to the increase in student learning outcomes, researchers and collaborators expressed their opinion that the STAD learning model is very suitable to be applied in the learning process, this is due to the many changes in the improvement of learning outcomes at each stage carried out by the researcher.
Learning by applying the inquiry learning model based on science technologi society able to improve student achievement of Class X SMK N I Merbau Mataram in the subject of Civic Education. Improvement of student achievement is obtained from the evaluation conducted by researchers and collaborators. The results are seen in pre cycles of achievement learning that reached 64.3 increased to 68, 52 on cycle I, and 76, 03 on cycle II. In the pre cycle students who are passed reached 4 students (13%). In the first cycle, the passed students increased to 14 (46%), while in cycle II increased to 26 passed students (89%).
The Reach Stacker lifting tool is the most productive lifting tool for container lifting today. It can move container till 20 container box in every hour, it means that in 3 minutes it can lift and lower 1 box container. In operation the lifting equipment will surely experience a stop operation due to the failure of a component. The purpose of this study was to determine critical and important components of the history of failure data for a year (2016) in PT meratusline, by using tools Fault Tree Analysis, Failure Mode and Effect Analysis and Pareto. From the analysis, it obtained Load Handling component as the most critical component based on the most frequent failure and required a long time to repair. The cause of the failure itself was inconsistent greasing maintenance / Predictive maintenance was not executed and there was no loose handling of Load Handling chain components. From the result of research, it was suggested to make standard rule by adding greasing item in worksheet Predictive maintenance and Standard Operating Procedure Predictive Maintenance for chain replacement on Load Hadling component if already entering 12000 Hour life.
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