| Summary: | 碩士 === 中華大學 === 土木工程學系碩士班 === 103 === It is critical issues to enhance the ability of calculation arithmetic operation for 4th grade student of the elementary school. In Taiwan, mathematics is a subject that often makes students feel fear and anxiety. They usually learn mathematics without fully understanding because of the learning schedule by teacher's requests. This study, that uses Theory of Inventive Problem Solving (TRIZ), develops teaching aid and teaching strategies, and provides recommendations for improvement via a simple evaluation form and PIOM (Plus, Identity, Minus, and Opinion) analysis. From the innovation TRIZ analysis, the optimal solution show that the continuation of the advantages of "Dividing practice password board", 3 teaching aids, "Post-digital card", "Double-sided sticker with soft-magnet digits card", and "Straight dividing game program", solve the problem of the digital card production and storage.
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