What does the overlap of these two shapes look like? Try picturing it in your head and then use some cut-out shapes to test your prediction.
Can you dissect an equilateral triangle into 6 smaller ones? What number of smaller equilateral triangles is it NOT possible to dissect a larger equilateral triangle into?
Can you find all the different triangles on these peg boards, and find their angles?
This problem challenges you to work out what fraction of the whole area of these pictures is taken up by various shapes.
