การออกแบบหนังสืออ่านเพิ่มเติมวิชาคณิตศาสตร์ สำหรับนักเรียนระดับมัธยมศึกษาตอนต้น

Abstract

The purpose of this independent study was to design a quality mathematics supplementary book for the lower secondary school level students. The researcher designed 4 types of supplementary books which are the following 1. Jan Tschichold Style by using Niramit letter, 2. Jan Tschichold Style by using Mali letter,3. Pristly Style by using Niramit letter; and 4.Pristly Style by using Mali letter. After the supplementary book was evaluated by experts, it was tried out with 60 MathayomSuksa 3 students who were studying in the first semester of school year 2015. According to the result, it stated that the 4 types of the supplementary book have gained good quality to the given criteria. From the subjects’ opinion, it was stated that the subjects gave a high preference of satisfaction for each supplementary book which is arranged in descending order;1. Jan Tschichold Style by using Niramit letter(x ̅= 4.16), 2. Jan Tschichold Style by using Mali letter (x ̅= 4.12 ), 3. Pristly Style by using Niramit letter (x ̅= 4.08) and 4. Pristly Style by using Mali letter (x ̅= 4.06).