Sundance

Homework Helpers  

Studygeek -- Math Homework
Fact Monster - All subjects Caution Advertising
BJ Pinchbeck's Homework Helper--Core classes
​Ask Dr. Math -- Search the archive for help

Dictionary/Thesaurus Links

Merriam Webster
Oxford Dictionary
30 Best Online Dictionaries
Historical Thesaurus

ACT Test Prep

Here is a link to the OpenEd ACT Test Prep website.

Erick the Red offers facts and formulas for math and physics along with helpful tips (SAT and ACT) and 
The Critical Reader – offers vocabulary tips and commonly confused words – click on the Exercises tab for practice drills.