Digital Self-Checking Boom Cards is a fun and challenging way for students to practice 2nd grade geometry skills. This set of Boom Cards features 30 cards to help students practice identifying shapes and identifying shapes based on a set of attributes. With this deck of self-checking Boom Cards, students will be able to recognize: triangles, squares, rectangles, trapezoids, pentagons, and hexagons. Students will select identified shapes, analyze the number of sides, corners, and angles, and fil