摘要：This research aimed to examine the effect of the application of contextual teaching and learning (CTL) approach to the enhance of mathematical cri tical thinking ability (MCTA) of Primary School Teacher Students (PSTS). This research is an experimental study with the population of all students PSTS who took algebra subject matter of one universit y in the city of Bogor. The results showed : (1 ) the increase of MCTA of student who receive CTL better than students who receive T TL ; ( 2 ) There are differences in the increase MCTA between stude nts in groups of high MPA , medium MPA , and low MPA , both the student who received the CTL and T TL ; and ( 3 ) There is no interaction between learning factors (CTL and TTL) with MPA (high, medium and low) toward the enhance of MCTA .
关键词：Critical Thinking Abilityin Mathematics;Contextual Teaching and LearningApproach; Prior Mathematical Ability
