This practical problem challenges you to create shapes and patterns
with two different types of triangle. You could even try
What do these two triangles have in common? How are they related?
Cut a square of paper into three pieces as shown. Now,can you use
the 3 pieces to make a large triangle, a parallelogram and the
Jennifer Piggott and Charlie Gilderdale describe a free interactive
circular geoboard environment that can lead learners to pose
A very mathematical light - what can you see?