A quick bit of revision on angles today Year 4, they're easy to get mixed up on if you don't keep sharp. Log onto PurpleMash to find Day 62 - Types of angles.
We'll be looking at acute angles, right angles, obtuse angles, and reflex angles - if you've forgotten what any of those mean have a look at the angles song below (warning - contains explicit language like 'caboose', parental guidance required).
A reflex angle is an interesting one that we haven't touched on before. If you imagine a straight line being an angle, like this;
A reflex angle is any angle bigger than it, that turns further than the straight line like this - the white part is the 'reflex' angle.