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Renatalia Fika Pengarang

The purpose of this investigation is to improve students' numerical literacy skills in learning mathematics through the integration of Realistic Math Education and Collaborative Problem Solving (RME-CopS) models. The investigation used a quasi-experimental design with a pretest-posttest control group. The research population was 184 of 7th grade students, with a sample of 64 using the purposive technique. The investigation was carried out at SMP X. The data were taken through a numerical literacy test instrument, 10 test questions, and documentation. The data were analyzed descriptively and with different test means. This investigation concluded that: (1) there was no distinction between the average numerical literacy of students at the time of the pretest, and (2) there was a significant distinction in the students' numerical literacy ability at the time of post-test, so the use of integration of realistic math education and collaborative problem-solving models were used (RME-CopS) can improve numeric literacy skills in mathematics learning for grade 7 students at SMP X