Development Mathematical Literacy Test Instrument Based Local Wisdom Blitar Raya Number Elements Grade V Elementary Schools

The implementation of mathematics learning based on local wisdom, but the evaluation process has not aligned. Additionally, mathematical literacy is needed to familiarize students. This research aims to create and develop a mathematics literacy test instrument based on the local wisdom of Blitar Raya that is valid according to the opinions of material and instrument experts, and that practical for educators and students in terms validity, reliability, difficulty level, and the quality of distractors. The simplified eight stage R&D by Borg & Gall serves as the foundation for this research methodology. Data collection obtained through unstructured observations, interviews,questionnaires for student needs analysis, student response surveys, and student feedback. The results the expert validation of the instrument 100%, and the expert validation of the content resulted in 93.75%. In the small-scale test, 36 questions were found to be valid and 14 questions invalid, with 50 questions deemed reliable resulting in a reliability index of ri = 0.93. The difficulty index reached 0.61, categorized as moderate, and the discrimination power obtained an index of 0.60, categorized as good. Based on the practicality questionnaire results from teachers, it was93.75%, and from students, it was 91.25%. In the large-scale test, 28 questions were valid and 8 invalid, with 36 questions reliable resulting in a reliability index of ri = 0.88. The difficulty index was 0.68, categorized as moderate, and the discrimination power obtained an index of 0.42, categorized as good. Based on practicality questionnaire results from teachers 90.62%, and from students 94.6%.