Geometry Worksheets for 2nd Graders Online - SplashLearn All Geometry Worksheets for 2nd Graders Number of Sides and Corners Enhance your math skills by practicing shapes & the number of their sides and corners. K 1 2 VIEW DETAILS Identify Open and Closed Shapes Reveal the secrets of math wizardry by practicing to identify open and closed shapes. K 1 2 VIEW DETAILS Count the Shapes