3.2--1. http://www.mathplayground.com/PartyDesigner/PartyDesigner.html
2. http://www.funbrain.com/poly/index.html Do both area and perimeter. Start at easy and work up to super brain
3. http://www.mathsisfun.com/flash.php?path=%2Fgeometry/images/shape-quad.swf&w=900&h=616&col=%23FFFFFF&title=Interactive+Quadrilaterals
3. MobyMax-one lesson
2. http://www.funbrain.com/poly/index.html Do both area and perimeter. Start at easy and work up to super brain
3. http://www.mathsisfun.com/flash.php?path=%2Fgeometry/images/shape-quad.swf&w=900&h=616&col=%23FFFFFF&title=Interactive+Quadrilaterals
3. MobyMax-one lesson