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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?

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Seven Sticks

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

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Triangle Edges

How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?

Three Fingers and a Loop of String

Stage: 1 Challenge Level: Challenge Level:1

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.