AbstractReferences1.National Governors Association Center for Best Practices, Council of Chief State School Officers (2010). Common Core State Standards, Mathematics. Washington, DC: Author.2. Tang G. (2001). Grapes of math. New York, NY: Scholastic Press.3.Amazon. (n.d.). Grapes of math web page. Retrieved from http://www.amazon.com/The-GrapesMathGregTang/dp/0439598400/ref=pd_sim_b_l?ie=UTF8&refRID=082W26XKTCK71XEX8XHS)4. Tang G. (2014). Greg Tang math. Retrieved from http://www.gregtangmam.com