Shapes on Thursday!

Do the first two, then it is your choice!

http://www.maths-games.org/shape-games.html

http://www.sheppardsoftware.com/mathgames/earlymath/shapes_shoot.htm

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

http://gingerbooth.com/flash/patblocks/patblocks.php#.UxcrLj9dUrU