“…Students need to have metacognitive competences in their learning activities. This is reinforced by the results of some researches which states that metacognitive competencies have an essential role in managing and controlling the cognitive processes of individuals in learning activities and in having them to think more effectively and efficiently, also to train students to develop learning strategies and determine solutions in solving problems (Bakar and Ismail, 2019;Bran and Balas, 2011;Chen et al, 2019;Iskandar, 2014;Kartika and Sujadi, 2015;Christian, 2015;Künsting et al, 2013;Kyriakides et al, 2020;Pintrich, 2002;Romli, 2012;Sastrawati and Rusdi, 2011;Taub et al, 2020;Vrieling et al, 2012;Zheng et al, 2019) The result of this study supports a prior study by Wardany and Ramli (2017), which showed that HOTS assessment instrument products in the form of developed multiple choice and essays have validity and reliability with very high average interpretation and good quality questions in terms of the level of difficulty and discrimination index. Indeed, Sari (2018) also revealed that the feasibility of metacognitive-based and HOTS-oriented Student Activity Sheet, which assessed material aspects, linguistic aspects, and visual aspects, met decent criteria even the product was suitable for use, both for different learning or research.…”