eng Science and Education Publishing American Journal of Educational Research 2327-6150 2019-12-05 7 12 919 924 10.12691/education-7-12-4 EDUCATION20197124 article Fatma Erya Santoso fatma.erya@gmail.com 1 E. Elvis Napitupulu 2 Zul Amry 2 Universitas Negeri Medan, Posgraduate, Medan, Indonesia Universitas Negeri Medan, Medan, Indonesia This study aims to analyze: the level of students’ metacognition in mathematical problem-solving skills. The subjects of this study were students of grade X at Private Madrasah Aliyah Al - Asy'ariyah Medan Krio. The objects of this research were students’ metacognition level and mathematical problem-solving skills. The results showed that: the level of students’ metacognition in mathematical problem-solving skills of 32 students were: (1) Students with high levels of problem-solving skills were at the level of metacognitive strategy use; (2) Students with the medium level of problem-solving skills were at the level of metacognitive aware use; (3) Students with low levels of problem-solving skills were at the level of metacognitive tacit use. http://pubs.sciepub.com/education/7/12/4/education-7-12-4.pdf analysis metacognition mathematical problem-solving skill