To learn so far a bout token economy in the completion students task at V grade in SD N 16 Sungayang. This research includes qualitative research with this type of case studies. The invent of this research show that applying token economy has a great influence to ward students behave in the completion mathematic task in the class. https://www.parisnaturalfoodes.shop/product-category/magnesium-potassium-aspartates/