Visit the Khan Academy Factor Pairs site for practice and a review video.
Factor Pairs - MangaHigh - Select your "Skill Level" and "Number of Questions." Then press play.
Factor Game - Answer the question by hitting the target
Who wants to be a Factor Millionaire? - Select your character and enter your name. Press "Let's Play." Select the point amount to access the question.
Factors on Quia - Enter your name(s) and press 1 Player or 2 Players button. Press on a point value and answer the question. *Important* Make sure you put a comma between the answers (for example: 1,2,3,4,6,12)