In this 4.0 industries revolution era, the development of technology is very rapidly, it has an impact to the society life style, including to education. To face 4.0 era, a teacher must be able to upgrade their competencies , because the student which teach by the teachers are millennial generation which familiar with digital technology. Considering the great challenge, so the teachers should be increase their competencies especially in teaching and learning activities in order to be able to face the mileneal student. Based on that case, we are from math of education STKIP PGRI Sumatera Barat will hold a national seminar with themes “Teaching Math Innovation in 4.0 Era”.