The problem this research is the students achievement of Matematic studies SDN 033 Sintong fourth graderes still low with an average value of 64,37 and minimum completeness criteria (KKM) sain studies studies 70. Between students, amounting to 16 people only 5 students who achieve clasical KKM with 31,25%. This research is Clasroom Action Research (CAR), which aims to improve the student achiev…