Billy's class had a robot called Fred who could draw with chalk
held underneath him. What shapes did the pupils make Fred draw?
The graph below is an oblique coordinate system based on 60 degree
angles. It was drawn on isometric paper. What kinds of triangles do
these points form?
How would you move the bands on the pegboard to alter these shapes?
Use the interactivity to investigate what kinds of triangles can be
drawn on peg boards with different numbers of pegs.
Can you find all the different triangles on these peg boards, and
find their angles?
This ladybird is taking a walk round a triangle. Can you see how much he has turned when he gets back to where he started?
Creating designs with squares - using the REPEAT command in LOGO.
This requires some careful thought on angles