Snow days, rain days, heat days - any day off and you don't know what to do . . .
Here are some things you can do!
MATH MAGIC!
http://www.math-play.com/3rd-grade-math-games.html
http://www.ixl.com/math/grade-3
http://www.internet4classrooms.com/skills_3rd_original.htm
http://www.abcya.com/third_grade_computers.htm
WRITING ROCKS!
http://www.scholastic.com/teachers/story-starters/