“…Unlike the problems used to facilitate cognitive conflict, the problems that facilitate the majority of metacognitive knowledge are contextual closed mathematical problems (Saputra, N. &; Andriyani, R., 2018), (Izzati, L. R. &;Mahmudi, A., 2018), (Mulbar, U. et al, 2021). The use of contextual problems is in accordance with the concept of metacognitive knowledge that accommodates declarative knowledge, procedural knowledge, and conditional knowledge (Murni, A. et al, 2019), (Zulfikar, 2019) (Alifiani &;Faradiba, 2021). The application of contextual problems can also lead students to solve problems by planning, exploring, and evaluating problem-solving carried out so that metacognitive knowledge possessed by students can be easily measured (Syafrudin, A., 2021).…”