“…Concept understanding is a level of ability that makes students understand concepts and facts, give examples, and conclude (Harrell & Subramaniam, 2015;Sakdiah et al, 2018;Susanti et al, 2018). Indicators of understanding this concept are restating a concept, classifying, exemplifying, presenting, using, utilizing, and applying the concept (Rosdianto et al, 2017;Pujiati et al, 2018;Jeheman et al, 2019;Suparmi, 2019). Concept understanding includes the second level of Bloom's cognitive domain.…”