7.G.B.5 Grade 7 · GeometryUse facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write simple equations and use them to solve for an unknown angle in a figure.Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 7.
Play the game: Anglesfree, 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.
7.G.A.1Scale drawings: real lengths to a plan and back, real area from a plan7.G.A.2Do three sides or three angles make no triangle, one, or more than one? Build one on a grid7.G.A.3The shape of the face when you slice a box or a pyramid7.G.B.4Circles: a rolled rim is a bit more than 3 diameters (π), and slices rearrange into πr²7.G.B.6Area, volume and surface area of solids built from boxes and prismsColorMyMath · 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.