*Hands-on activity. The purpose is to help students learn to use variables and to write equations to model a problem situation.*

- Membership
- MAA Press
- Periodicals
- Books
- eBooks
- Textbooks
- MAA Reviews
- Mathematical Communication
- Information for Libraries
- Author Resources
- Advertise with MAA

- Meetings
- Competitions
- Community
- Programs
- Students
- High School Teachers
- Faculty and Departments
- Underrepresented Groups
- MAA Awards
- MAA Grants

- News
- About MAA