Finding the Missing Number/Factor Practice

http://www.ixl.com/math/grade-3/missing-factors-facts-to-12

http://www.oswego.org/ocsd-web/games/SumSense/summulti.html

Dinosaur Research Websites

http://www.kidsdinos.com/

http://www.sciencekids.co.nz/sciencefacts/dinosaurs.html

http://kidsdigdinos.com/dinosaurfacts.htm

http://www.kids-dinosaurs.com/dinosaur-facts.html

http://www.nhm.ac.uk/kids-only/dinosaurs/

http://teacher.scholastic.com/researchtools/articlearchives/dinos/

http://www.kidsites.com/sites-edu/dinosaurs.htm