This lesson has it all! Engagement, differentiation, extension... Students scavenge around the room to calculate the area of triangles, quadrilaterals, and compound figures. The students are given problems on their level that they are assigned and have to find cards that match their level. Answer keys with or without QR codes is included for each level. There are 16 cards per level (3 levels~Blue: Above Grade Level, Yellow: On Grade Level, Purple: Below Grade Level), answer key, 3 recording shee