| This thesis analyses how and why pupils(Grade five and Grade six)had difficult in mathematics learning. Accordingly, we posed prevention strategies based on education and psychology theories .The thesis consists of 8 parts ,including background and necessity of the research , the basic theory of the study ,the concepts defined , analyzing and diagnosing 50 higher grade mathematics poor students in a primary school as further research objects, introducing the futures of mathematics curriculum and the poor pupils learning (mathematics thinking, number of concept, operation ability, space concept) , analyzing the stages of formation (operation of fraction and per cent application part)and discussing the reasons, putting forward prevention strategies as a reference. |