Triangle Trials

A geometry game show: the triangle inequality, angle sums, one-many-or-none triangle conditions, classifying triangles and drawn triangles.

Grade 7Game show1–6 players or teamsNo student loginsWorks offline

$5Buy Triangle Trials ▶ Play the free demo 🎁 Get this game free

Try it free with your class: the demo runs right in your browser for 5 questions or 5 minutes, whichever comes first. No sign-up needed.

Or get every game, including all future games, with the All-Access Teacher License for $150.

Screenshot of Triangle Trials in the middle of a game

What students practice

Triangle inequality (can these sides make a triangle?), greatest and least possible third side, triangle angle sum of 180°, missing angles in isosceles and right triangles, whether conditions (SSS, SAS, ASA, three angles) give exactly one, more than one or no triangle, classifying triangles by sides and angles, recognizing drawn triangles, steps for drawing a triangle with a protractor and ruler

Standards

OAS 6.GM.3.2

Common Core: 7.G.A.2

How it works

Open the game file in any web browser: Chromebooks, laptops or your smartboard. No accounts, no student logins and no internet needed once it's downloaded.
Enter the players or teams, then press Start.
Students take turns on one shared screen, so the whole class can play together on a projector or smartboard.
Each purchase includes the game file and a one-page Quick Start guide.