The Aplication of the Jerome Bruner Theory To Improve Mathematica Learning Results IV B Grade Student of SDN Pekanbaru 158. This research aims to: improve mathematica learning results IV B grade student of SDN Pekanbaru 158 used by Jerome Bruner theory. The research was conducted in two cycles. Subjects of this study is the IV B grade student of SDN Pekanbaru 158, which has 30 students. Data s…