Students practice finding the area of circles in these 4 puzzles given either circumference, diameter or radius. In two of the puzzles pi is left in the answer and the other two has an answer using pi= 3.14. Puzzles have 2 levels for differentiation in the classroom and answer keys are included for all.In the simpler level, the outside edges are blank, so if students are having difficulty, have them arrange the pieces so the blank sides are on the outside. In the more challenging level, the edg