Penerapan Model Pembelajaran Kooperatif Pendekatan Structural Numbered Heads …

The background of this research is the result of learning mathematics of class student VII1 SMP Negeri 17 Pekanbaru which is still under the minimum mastery criteria with a persentage of 30,5 % only 11 students from 36 students who achieve the minimum mastery criteria on the subject matter of the algebra. The purpose of this research aims to improve the learning process and increase the student…