Slope Intercept Surround is an engaging online math game that challenges players to perfectly surround blue areas with two lines. The game is based on the slope-intercept form of a linear equation, y = mx + b, where m is the slope and b is the y-intercept. Players must select the correct slope and y-intercept values to draw lines around the blue areas. The goal is to complete 10 levels using as few lines as possible. This game is perfect for students who want to practice their math skills in a fun and interactive way.