4.G.1 Fourth Grade Common Core Math - Identify Lines And Angles Slide Sets Practice provides two ways for students to practice and show mastery of their ability to name points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. This bundle provides both my original PowerPoint and the new Google Slide Set products for a low upgrade fee! It includes 40 distinct problems in two sets (129 slides in all!), with a