3rd Grade:

Adam Ant
http://www.beaconlearningcenter.com/WebLessons/AdamAnt/page1.htm

Math Golf
http://www.mrnussbaum.com/golf/golf_home.swf

2 and 3D Shapes
http://www.bbc.co.uk/schools/ks2bitesize/maths/shape_space_measures.shtml

Area Explorer
http://www.shodor.org/interactivate/activities/AreaExplorer/

Space Shuttle Math
http://www.playkidsgames.com/games/shuttleLaunch/shuttleLaunch.htm

Math Fries
http://www.mrnussbaum.com/mfries.htm

Fox, Chicken, and Corn
http://www.aimsedu.org/aimskids/ipuzzles/farmer/farmer.dcr

4th Grade

Fox, Chicken, and Corn
http://www.aimsedu.org/aimskids/ipuzzles/farmer/farmer.dcr

Adam Ant
http://www.beaconlearningcenter.com/WebLessons/AdamAnt/page1.htm

Math Golf
http://www.mrnussbaum.com/golf/golf_home.swf

2and3DShapes
http://www.bbc.co.uk/schools/ks2bitesize/maths/shape_space_measures.shtml

Area Explorer
http://www.shodor.org/interactivate/activities/AreaExplorer/

Space Shuttle
http://www.playkidsgames.com/games/shuttleLaunch/shuttleLaunch.htm

Math Fries
http://www.mrnussbaum.com/mfries.htm

Animal Weigh In
http://www.bbc.co.uk/education/mathsfile/shockwave/games/animal.html