Play Mathematics Line free Online. Use mouse to select the right math operator.. Mathematics Line is a fun puzzle game.In this game you should solve the math problem by selecting which math operator is required to solve the problem . PlayGames365.com offers you the best entertainment of games to play in the browser, the most distributed from the 2000s until now. Mathematics Line is an HTML5 game that works on smartphones, tablets, PCs and Smart TVs. You can play Mathematics Line anywhere, anytime.