We do — whiteboard round

Chant it before each one: "Same? Count. Different? Rename!"

1. 3/8 + 2/8
2. 1/2 + 1/4
3. 2/3 + 1/6
4. 9/10 - 2/5
5. 3/4 + 1/2   ← this one goes past a whole…