"Circles Go 'Round and 'Round" teaches children about circles, squares, triangles, and rectangles in terms of sides and corners. This song supports the following Common Core State Standards:CCSS.Math.Content.K.G.A.3Identify shapes as two-dimensional (lying in a plane, "flat") or three-dimensional ("solid").CCSS.Math.Content.K.G.B.4Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts