
Shrink Ray Lab
Claim squares by dilating points, using dilation properties, proving triangles similar and solving side-splitter, angle-bisector and right-triangle problems. Get 4 in a row to win.
2 multiplayer classroom games aligned to Common Core standard HSG.SRT.A.1. Pick one to practice this standard with your whole class on a smartboard or Chromebooks, with no student logins. Every game has a free demo.

Claim squares by dilating points, using dilation properties, proving triangles similar and solving side-splitter, angle-bisector and right-triangle problems. Get 4 in a row to win.

A team review game for every Geometry math standard. Teams claim tiles on a map by answering questions, and can steal each other's tiles. Play a full review or pick the standards you want. The results show % correct for each standard.
The All-Access Teacher License includes every game, every grade and all future games.