NASA
Ltp: 9th Grade Math Practice Questions
This site offers 38 practice math problems based on the Ohio 9th Grade Math Proficiency Test. Questions are multiple choice and answer pages include discussion.
McGraw Hill
Glencoe: Self Check Quizzes 1 Making Predictions
Use Glencoe's randomly generated self-checking quiz to test your knowledge of making predictions using surveys. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
Alabama Learning Exchange
Alex: Pass It Down
This lesson, Pass It Down, integrates science and math into two consecutive hands-on genetics activities that should be embedded within an existing genetics unit suitable for biology students. The results of each activity will be...