“…Through education, the students can develop their skills to be faithful, moral, smart, creative, independent and become democratic and responsible citizens. One of the educations in Indonesia is through mathematics lesson (Noor, 2019;Wahyuni, Arthamevia, & Kurniawan, 2020;Ardiansyah, 2020;Richardo, 2020;Afifaturrohmaniyyah & Malasari, 2021;Taskiyah & Widyastuti, 2021;Riayah & Fakhriyana, 2021). An educator must encourage the students to work by their own thought in solving mathematics problems and give the chance to the students to develop their skills (Romberg, 2004).…”