Development of high order thinking skills (HOTS) test instrument on exponent for junior high school students

This study aims to produce the HOTS test instrument on valid, practical and effective exponent material for Class IX students of SMPN 5 Langsa, Aceh. This research is development research (R & D) using the Tessmer development model which consists of 2 stages, namely preliminary and formative evaluation stage. The test run was held in class IX of SMPN 5 Langsa. Data collection instruments include question lattice, HOTS test instruments, validation sheets, and practical questionnaire sheets. HOTS test instrument that has been produced in the form of a set of questions consisting of a grid and 10 HOTS questions in the form of a description that meets the criteria of valid, practical, and effective. The HOTS test instrument was declared valid with an average score criterion of 85% in a very valid category and was declared practical with a score criterion of 80% in the very practical category. The HOTS test instrument developed was also very effective, meaning that it had a good effect or effect on students 'higher-order thinking skills with an average score of 64.2 which showed students' high-level thinking skills in good categories.