I wish I could take credit for this idea, but all I did was find a link to it in Pinterest. It combines math and art. Students have to complete the face based on the answer they get for the first 12 questions. Here is an example
Then they color the picture based on the answers to the next 15 questions.
Here is a link to the freebie with Solving one step equations. I printed it and changed the equal signs to inequality signs so my 8th graders could practice solving inequalities.
This is a great assignment for centers because students can work independently or to leave with a sub. The Web site has options for all levels of math to purchase.