![renniemeister](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/1790508/small.jpg)
Recognising acute and obtuse angles
The mental starter is the 9 times table.
The main activity is a smartboard leading children through the process of recognising acute, obtuse and right-angles.
For the plenary, I gave children a sticky label with a pre drawn angle that they had to identify.