About Input Output Games
Free math games that help kids understand rules, patterns, and the building blocks of algebra - made by people who love teaching math.
Why this site exists
Input output games are one of the best ways for kids to meet algebra early, without any fear. Find the rule, test it, and prove it works - that is what mathematicians do every day. This site turns that idea into games kids actually enjoy.
Who made it
Input Output Games was created by a small independent team with experience teaching elementary math. Every game is designed around a real classroom lesson, then tested with real students.
Our promise
Every game is free, needs no account, and shows no ads. Kids can play at home or in class without sharing any personal information.
Contact
Questions or feedback? Email us at info@inputoutputgames.net.