McGraw Hill
Glencoe: Self Check Quizzes 1 Graphing Functions
Use Glencoe's randomly generated self-checking quiz to test your knowledge of graphing functions. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button...
Shodor Education Foundation
Shodor Interactivate: Whole Number Cruncher
Put a number, the input, in the Whole Number Cruncher. See if you can discover the rule that gives you the result, the output. Directions are just a click away.