The Development of Lesson Plan Based on Backward Design to Improve Students' Critical Thinking at Elementary School

This research and development aim to develop a Lesson Plan Based on Backward Design that is feasible to improve the critical thinking of elementary school students. Research and development refer to Borg & Gall's theory. The study population was fifth-grade educators at Elementary School Dr. Wahidin Husodo in Metro, Lampung. The sample was determined using a purposive sampling technique of seven educators from different elementary schools. Data was collected through a questionnaire, observation and test results. The results showed that the Lesson Plan that developed was feasible to use and showed that it could improve students' critical thinking. This is proved by the increase in student learning outcomes and students' critical thinking skills after using a backward design lesson plan.