They had to work by themselves and with a partner to arrange their bodies in the different lines that I called out for them.
They created parallel lines, ....
We found out that a quarter of a rotation has a special name.
It is called a RIGHT ANGLE.
We decided to make some right angles to show.
These are called ACUTE ANGLES.
Look at some acute angles we created below.
These are called OBTUSE ANGLES.
Have a look below.