Pinner said: it wouldn't let me pin the main page, but this website is a collection of math questions called Stella's Stumpers. The questions (over are sorted by math class, and they look to be a great resource for bellwork. Pre-Alg through Alg II
Grades: “A collection of more than 600 nonroutine mathematics problems. Problems range from simple visual problems, requiring no specific mathematical background, to problems that use the content of pre-algebra up through pre-calculus.
This is similar to what I do in the classroom. It hangs up and students can answer it throughout the day. Spend 3 minutes to go over the problem and how to solve it. Giving treats to the students who get it correct.
Assessment tools to support schools in implementing the Common Core State Standards for Mathematics (CCSSM) in middle high schools. Be sure to check out the Tasks as well as the lessons. You can also search by CCSS or Math Practice.