Triangles

Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?

Try continuing these patterns made from triangles. Can you create your own repeating pattern?

Sara and Will were sorting some pictures of shapes on cards. "I'll collect the circles," said Sara. "I'll take the red ones," answered Will. Can you see any cards they would both want?

How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?

If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?

Can you each work out what shape you have part of on your card? What will the rest of it look like?

This activity focuses on similarities and differences between shapes.

The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?

How would you move the bands on the pegboard to alter these shapes?

The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?