ACT Test Taking Strategies:
http://www.youtube.com/watch?v=po7jqly8uRs

Math:

This site has 60 math questions and solutions:http://www.mathontime.com/ACT-Math-Video-Program-(free).html
http://www.youtube.com/watch?v=CBkgGWfzTZ4
http://www.youtube.com/watch?v=C1PxJEX7L74&feature=related

Plane Geometry:
http://www.youtube.com/watch?v=mnbQOVU0e28&feature=related
http://www.youtube.com/watch?v=fBOiVtnEmf4&feature=related

Algebra:
http://www.youtube.com/watch?v=125CF1HwNIM&feature=related

Trigonometry:
http://www.youtube.com/watch?v=TeyUyTwihgk&feature=related


Science:

These 7 videos cover an older ACT science test, BUT Mr. George has very many hints that can help on the most current ACT science test.
http://www.youtube.com/watch?v=Ef7rXEwHDFk&feature=related
http://www.youtube.com/watch?v=yGVtueWtyR4&feature=related
http://www.youtube.com/watch?v=fIj9rEwn0Ic&feature=related
http://www.youtube.com/watch?v=LvTX7rt9Zlk&feature=related
http://www.youtube.com/watch?v=36xJZ3KJvGc&feature=related
http://www.youtube.com/watch?v=CxZXwi2ukSc&feature=related
http://www.youtube.com/watch?v=S8iPfFv73W4&feature=related

Writing:
http://www.youtube.com/watch?v=twvEbcVKX1M&feature=relmfu
http://www.youtube.com/watch?v=diRmXjXW9T8&feature=related