“…Critical thinking ability is very important for the students to meet of the demands of 21 st century learning which requires students to have 4C skills including critical thinking, creative, collaboration, and communication skills (Aizikovitsh-Udi & Cheng, 2015;Maričić & Špijunović, 2015;Miller & Topple, 2020;Sustekova, Kubiatko, & Usak, 2019). This statement is further reinforced by the recommendations from Committee on the Undergraduated Program in Mathematics that each subject in mathematics should be composed of activities that can help students developing their analysis, critical reasoning, problem solving, and communication skills as well as acquiring mathematics with habits of mind (Hariyani & Mz, 2018;Karakoc, 2016;Welch, Hieb, & Graham, 2015).…”