From Sierpiński's Triangles, Escher's Transformations and Mandela projects, students actually go old school and use paper, pencil, compass, rulers, CRAYONS, markers, and even scissors. While they will complain - they are in MS after all- you will be impressed with their buy in and results!
Mathematical play is essential for supporting the 8 Mathematical Practices. Use mathematical play in the middle school classroom with non-curricular tasks, games, and puzzles. Take on the role of student and experience different challenges in play as both an intervention and an extension activity.