Buku Guru Matematika Kelas 7 K is an Android application that serves as a teacher's guide for Mathematics for 7th-grade students. It is an updated version of the 2017 curriculum that was prepared by the Indonesian Ministry of Education and Culture. The app is designed to assist teachers in the learning process of Mathematics by providing a comprehensive guide for the curriculum.

The app covers various topics including numbers, sets, algebra, comparison, geometry, and data representation. It ensures a balance between numerical and pattern Mathematics while also emphasizing on the practical application of knowledge through procedural learning. The app also sharpens thinking skills to help solve problems that require higher-order thinking such as modeling, proving, and estimating.