### Tags

### Related Posts

### Share This

# What goes in the gap?

Lara Alcock wrote about *Tilting the Classroom* in the London Mathematical Society Newsletter. One of the activities she does that I don’t do but should is what I’ll call *What goes in the gap?* from her section on deciding. The example she gives is which symbol of , , goes in the gap in

Clearly one can do this with many other statements not just symbolic ones

For , is orthogonal is an isometry.

Alcock recommends that students vote on the answers to encourage engagement and notes that sometimes multiple rounds of voting are required!