2-D Shapes Sorting Activities. Kinder shapes sorting center. Sorting shapes worksheets for circle, square, triangle, rectangle, rhombus, oval, pentagon, trapezoid, hexagon, and octagon. These worksheets are simple and easy for the kids to complete on their own. You will also receive a Shapes Sorting Game in color and black/white. These Kinder 2-D shapes activities can be used in math centers, small group, morning tubs, independent practice, guided practice, send as homework, or use for RTI