National Council of Teachers of Mathematics website Illuminations, provides online activities and lessons to help improve skills at school or at home. Great for use with SmartBoards

Use Purple Math as Algebra review, provides help for all levels.

Jefferson County School powerpoint presentations you can use for instruction along with Jeopardy games. Scroll to the bottom for HS lessons

Shodor - Great interactive Math resources - great to use with SMARTBoard

National Library of Virtual Manipulatives - Great interactive resource for use with SmartBoards

Algebasics is an interactive site covering Algebra topics