Investigating+irrational+numbers+EL,+OC,+GC,+MD

Investigating Golden Ratio

Using Pi and Geometers sketch pad to investigate Surd

I would change the order of the worksheet in order to make the pupils work out the length of the spokes to 3 dp then work out the exact value of the spoke. This will allow the pupils to see the use of Surds in expressing the exact value.

Exploring Surds in spirals GSP file.