- This works best if students are working in pairs, taking turns as they simplify the expressions, and tell their partner what they're doing each time.
- They tend to enjoy starting with a lot of blocks on each side.
- If you see interesting (and correct) strategies being used, it's a good idea to share them with the whole class. When possible, make connections with paper-pencil simplifying techniques.
- If you see incorrect moves, discuss them with the student!