DEVELOPMENT EXERCISES TO ENHANCE MATH SKILLS ON THE TOPIC DECIMALS AND FRACTIONS FOR MATHAYOM SUKSA 1 BY THE COOPERATIVE LEARNING MODEL STAD TECHNIQUE.

Abstract

The purposes of this research were to 1) Development exercises to enhance math skills on the topic decimals and fractions base on the criteria of 80/80. 2) Study the learning achievement and 3) Satisfaction of students studying with the exercises to enhance math skills on decimals and fractions, The sample group used to be Mattayom Suksa 1/2 students studying in the second semester of the academic year 2017, Chumchonwimonwitthaya Municipality School, 30 people. The research tools were, 1)The exercises to enhance math skills on the topic decimals and fractions 7 units, 2)Learning management plan, 3)Learning achievement test 40 items, 4)The student satisfaction questionnaire is a 5 level rating scale 10 items. The collected data were analyzed by the percentage, mean, standard deviation, performance index of instructional, and t-test dependent. The research findings were as follows: 1. The exercises to enhance math skills on the topic decimals and fractions using according to the cooperative learning model STAD technique the criteria were 81.13/83.83 based on the criteria of 80/80. 2. It was found that the students’ achievement after using the exercises to enhance math skills on the topic decimals and fractions was statistically higher than that before using them at .01 level of significance, and effectiveness index at 0.69. 3. Mathayom Suksa 1/2 students’ satisfaction toward the exercises to enhance math skills on the topic decimals and fractions by using according to the cooperative learning model STAD technique in a height level. (x ̅ = 4.12, S.D. = 0.41)