“…As many 93% of students in Singapore were able to solve PISA 2018 questions at level 2 or more, then 37% of students in Singapore were able to solve PISA questions at level 5 or more (OECD, 2019d). Indonesia and Singapore have learning with the same cognitive level, which emphasizes memorization, but what makes Singapore different from Indonesia is that Singapore uses more open-ended questions (Sianturi, et al, 2021). This allow students being able to answer mathematical problems using their own language which is one of the indicators found in mathematical literacy (Utami, et al, 2020).…”