Cool Math http://www.coolmath4kids.com/
AAA Math http://www.aaaknow.com/grade1.htm
Comic Creator http://www.readwritethink.org/materials/comic/
The Great Plant Escape http://www.urbanext.uiuc.edu/gpe/case1/index.html
English Zone http://www.english-zone.com/spelling/1contr.html
Veggie Tales http://www.bigideafun.com/
Creating Polygons http://standards.nctm.org/document/eexamples/chap4/4.2/part2.htm
One World Mural http://www.tolerance.org/one_world/aboutdt.jsp
Starfall http://www.starfall.com/