We have added a new feature that allows members who are teachers to easily share access to the Math Antics website with their students at home. Click here to learn more. Mark as Read ↓ Scroll down to check out our Video Lessons. They're all free to watch! ↓ Algebra Four: Students play a generalized version of connect four, gaining the chance to place a piece on the board by solving an algebraic equation. Parameters: Level of difficulty of equations to solve and type of problem. Algebra Four is one of the Interactivate assessment games.