I LOVE Pinterest! I can always count on Pinterest for a cute and effective math activity. Here are some pictures of math activities inspired by Pinterest. Area and Perimeter using Pentominoes Students choose a pentomino, traced it, and calculated the area and perimeter, all the pentominoes had an area of 5... duh...and most had a perimeter of 12 so next year I'll have them use one shape and two shapes combined to do the activity. Dream Playground Students mapped out their Dream Playground...