The construction and efficiency of practice on ratio and percentage for grade-8 students
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Abstract
Learning management to be successful requires a systematic teaching process and effective teaching innovation. Practice is an innovation that helps solve problems and develop learners to have higher learning achievement. The purpose of this study were to 1. construct and access the efficiency of practice on ratio and percentage to meet the efficiency criterion of 80/80, 2. compare the learning achievement on ratio and percentage for grade-8 students between before and after learning using practice, and 3. explore the satisfaction found in students using practice. The samples of this study were 40 grade-8 students at Kalasinpittayasan school, Mueang Kalasin district, Kalasin province studying in the first semester of the academic year 2018. Instruments were practice on ratio and percentage, lesson plans, the test of knowledge, and questionnaires surveying satisfy. Data were analyzed using percentage, mean, standard deviation and t-test. The results of the study were as follows: 1. the efficiency of ratio and percentage practice met the criterion of 87/83, 2. post-test scores after the use of practice regarding ratio and percentage was significantly higher than pre-test scores at the level of confidence of 0.01, and 3. students revealed their positive opinions about using practice at the highest level.
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