Math Pop Quiz, US Common Core math, 2.G.1 By Paul Katula • October 14, 2010 Second grade, Geometry Random quiz items now loaded into our database: cc.schoolsnapshots.org/i_random.pl?zv=655 Paul Katula View all stories → Paul Katula is the executive editor of the Voxitatis Research Foundation, which publishes this blog. For more information, see the About page.