Mangahigh
Mangahigh: Ice, Ice, Maybe: Fast Estimation With Basic Number Calculations
Practice your arithmetic skills as you estimate the answer to questions involving addition, subtraction, multiplication, and division. Includes whole numbers, fractions, and percents. As you answer questions, you guide penguins across an...
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.