LINKS:
Practice ACT Problems
Use this link to find problems sets for the ACT.
Printable SAT Practice Tests
The name says it all - practice early, practice often.
Math is Power Tutorial Videos
This link provides access to short tutorial videos on nearly any mathematical subject.
ACT Practice
This is a free tutorial website that includes flashcards, questions of the day, and practice tests for all test subject areas.
SAT Practice
This is a free tutorial website that includes flashcards, questions of the day, and practice tests for all test subject areas.