Symmetry

Here is a fantastic interactive activity to get you going.

http://www.haelmedia.com/OnlineActivities_txh/mc_txh4_001.html

This one might test you even further!

http://www.innovationslearning.co.uk/subjects/maths/activities/year3/symmetry/shape_game.asp

Powerpoint lines of symmetry

http://themes.pppst.com/symmetry.html