<![CDATA[This research aims to develop new products or enhance existing products todiprtanggungjawabkan. This research is intended to produce a product that student worksheet Mathematics teaching materials in Braille as supporting visually impaired students.The method used in this study using research approaches development. Methods of data collection in the form of a research instrument that is used in the form of sheets validation, response sheets and evaluation sheets.The results of this study were (1) Based on the expert assessment of materials,construction materials experts and experts included in the category Valid (4.2) with an average score for each expert linguists ie 4,22; 4.15 matter experts; and construction experts 3.93. The response of students in small-scale trials included in the practical category with an average score of 3.64, and with the teacher's response obtained an average score of 4 is very practical. (2) Based on product trials that have been conducted to two students, the percentage of students completed both in completing evaluations that have been given in the worksheets of students, it was found that the percentage is 100%, it is stated that "very effective.]]>
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