The development of the mathematics learning achievement on linear equation with two variables for the grade-7 students through the use of bar model technique
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Abstract
The purposes of this study were to 1) develop the lesson plan on linear equation with two variables for the grade-7 students through the use of Bar model technique based on 80/80 standard, 2) compare students’ mathematics learning achievement on linear equation with two variables between pre- and post-learning through the use of Bar model technique, and 3) study the students’ satisfaction toward this learning technique. The subjects were 42 grade-7 students from Thatnaraiwitthaya School received from simple random sampling. The research instruments included the developed lesson plans, the achievement test on linear equation with two variables, and the survey of satisfaction on learning through the use of Bar model technique. The results revealed that the developed lesson plans had the efficiency index of 80.95/81.60 which were higher than the committed 80/80 standard. The students obtained the post-achievement test score (mean = 24.47, S.D. = 1.13) statistically higher than the pre-test one (mean = 7.79, S.D. = 2.90) at the significance level of 0.05. The students’ satisfaction on learning through the use of Bar model technique was in the highest level (mean = 4.52, S.D. = 0.23).
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