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Let's Investigate Triangles

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?

Seven Sticks

Explore the triangles that can be made with seven sticks of the same length.

Colouring Triangles

Explore ways of colouring this set of triangles. Can you make symmetrical patterns?

Three Fingers and a Loop of String

Age 5 to 7 Challenge Level:

Take a 25-30 cm piece of string and knot it to make a loop. (Or you could use a rubber band).

String

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.