4.G.A.2 Grade 4 · GeometryClassify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size.Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 4.
Play the game: Shapesfree, no sign-up →Shapes are built, turned, cut and stacked, not just named. A square is an area you lay out yourself; a cube is that square stacked into layers.
Every page is free and open — nothing to install, no account, and it works on a phone or a classroom board. Every number has its own color: 1 red, 2 orange, 3 yellow, 4 green, 5 blue, 6 purple, 7 brown, 8 pink, 9 cyan, and a number is that many colored dots.
4.G.A.1Draw and find right, acute and obtuse angles, and perpendicular and parallel lines4.G.A.3Lines of symmetry: find them and draw the other halfColorMyMath · getridoftheteacher.com · every number has its own color, and a number is that many colored dots. Matching a game to a standard is a judgement call; the official text is at doe.mass.edu.