Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Explore the triangles that can be made with seven sticks of the
How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
Take a 25-30 cm piece of string and knot it to make a loop. (Or
you could use a rubber band).
Hook the loop around three fingers and stretch it tight to make
a triangle. Move your fingers around to change the triangle. Draw
the triangles you make, then sort them into groups.