A different take on flash cards. Each puzzle contains 4 pieces, each relative to the same polygon. One piece has the name and picture of a polygon (i.e. "quadrilateral"), one has the sum of the interior angles, one has the number of diagonals, and one has each angle measure of the regular polygon. There are 8 puzzles (triangle through decagon). Puzzle pieces must be cut out (sorry!) for each student or group of students participating (or you can just do one set and have the whole class work together). Students must start with all 32 pieces shuffled together, then arrange them into eight 4-piece puzzles such that all four pieces represent the same polygon.