Here are some fun and safe places for students to explore online:
Math Facts:
Addition Math Fact Game
Creating Equations Math Fact Game
Multiplication Fact Game
Other fun sites:
Discovery Kids
PBS-Kids
National Geographic for Kids
Yahooligans-A Search Engine
Disney
Scholastic Books
Smithsonian Institute
Time for Kids
Net Trekker-A Search Engine
Foss Science Interactive
Tangrams
Tetronimoes/Tetris
Lots of Fun Math Things
FunBrain
Books Online-Read stories online
Set Game Online
FreeRice