This product has two different uses!
1) Students can play memory with the cards. They can flip over a standard form equation, show the work on a separate sheet of paper, and then try and flip over the match. If it's a match, that student takes both cards and gets a point. I recommend having one pile for standard forms and one pile for slope intercept forms, so students will pick a card for either pile. It's a great two person game.
2) If you need a shorter activity, students can with a partner or individually match up the standard form equation to the slope intercept form. It can be used as a card sort.
Includes key and work.