Geometry Games

Slides, Flips, and Turns game:
http://www.bbc.co.uk/schools/ks2bitesize/maths/shape_space/transformation/play.shtml

http://www.harcourtschool.com/activity/icy_slides_flips_turns/

Symmetry:

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

Congruent Figures:

http://www.beaconlearningcenter.com/WebLessons/CongruentConcentration/concentration.htm

Angles:

http://www.toonuniversity.com/6m_angle_d.html

Coordinate Grids:

http://www.funbrain.com/cgi-bin/co.cgi?A1=s&A2=0