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Geometry

Polygons

http://www.mathplayground.com/matching_shapes.html

http://www.math-play.com/shapes-game.html

http://www.math-play.com/polygon-or-not/polygon-or-not.html

http://www.xpmath.com/forums/arcade.php?do=play&gameid=66

http://www.bbc.co.uk/bitesize/ks2/maths/shape_space/2d_shapes/play/

http://www.xpmath.com/forums/arcade.php?do=play&gameid=84

http://mrnussbaum.com/shapeinvaders1/

http://www.sheppardsoftware.com/mathgames/geometry/shapeshoot/PolygonShapesShoot.htm

http://www.sheppardsoftware.com/mathgames/geometry/shapeshoot/QuadShapesShoot.htm

http://teams.lacoe.edu/documentation/classrooms/amy/geometry/6-8/activities/quad_quest/quad_quest.html

http://illuminations.nctm.org/ActivityDetail.aspx?ID=27

Symmetry

http://www.softschools.com/math/geometry/symmetry_game/     (Mrs. Brookins)

http://www.innovationslearning.co.uk/subjects/maths/activities/year3/symmetry/shape_game.asp     (Mrs. Brookins)

http://www.sheppardsoftware.com/mathgames/geometry/shapeshoot/SymmetryShapesShoot.htm

http://www.bbc.co.uk/bitesize/ks2/maths/shape_space/symmetry/play/

http://www.fuelthebrain.com/Game/play.php?ID=302

http://www.primaryresources.co.uk/online/reflection.swf

http://www.topmarks.co.uk/Flash.aspx?f=Symmetry

Coordinates

http://www.xpmath.com/forums/arcade.php?do=play&gameid=90

http://www.xpmath.com/forums/arcade.php?do=play&gameid=59

http://www.xpmath.com/forums/arcade.php?do=play&gameid=12

http://mrnussbaum.com/stockshelves/

Tangram Puzzles

http://www.mathplayground.com/tangrams.html

http://nlvm.usu.edu/en/nav/frames_asid_268_g_1_t_3.html?open=activities

http://pbskids.org/cyberchase/math-games/tanagram-game/