We've been learning about quarter-turn corners.
We also call quarter-turn corners right-angles.
We found out that squares and rectangles have quarter-turn corners, so we used these shapes to test other corners in the classroom.
This is what we found:
We also found corners that are NOT quarter-turn corners. Some were too big and some were too small!
Look around you - where have you noticed some quarter-turn corners (right-angles)?
For older children - what are the names for the angles that are bigger than right-angles and the angles that are smaller than right-angles?