The design of ESD-based math problems to measure creative thinking skills namely contains indicators of creative thinking skills and is applied in everyday life day. The research design used is formative evaluation (self-evaluation, expert reviews, one-to-one, small group, and field tests). The research results show that from the initial design of the questions (47 students), only 28 questions were valid. After conducting large-scale tests shows that only some students can complete it. It is supported by the results of the written interview which said that the question was a moderate level of difficulty. But there are also those who say that the problem is too easy. With the research results is expected to produce guidelines in designing math-based test questions ESD for students.
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