AbstractThis research was done to determine students? level of metacognitive in answering quadratic equation word problems. Survey and one-group pretest-posttest experiment designs were used in this research, two phases were involved. The first phase was done to determine which group of students used metacognitive strategies frequently when answering word problems and to determine the level of metacognitive activities among the groups by using time line graphs. While the second phase was done to determine the effect of metacognitive training to the group of achievers who less frequently used metacognitive strategies and group of achievers who portrayed low level of metacognitive activities when answering quadratic equation word problems. Research sample consists of ninety form four students in one secondary school in Batang Padang. In the first phase, data were collected from answer sheets and metacognitive questionnaires. Students? responses to the metacognitive red flag questions also had be.....