Triangles

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?

Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?

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.

Are these statements always true, sometimes true or never true?

Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?

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?

How many different triangles can you make on a circular pegboard that has nine pegs?