Scholastic
Scholastic: Solving the Unknown With Algebra
Students will learn and reinforce skills for solving for unknowns, manipulating equations while keeping them in balance, using formulas to solve real-world challenges, and working with proportions, radicals and exponents.
Texas Education Agency
Texas Gateway: Using Models to Solve Equations
Given a problem, the student will use concrete and pictorial models to solve equations and use symbols to record their actions.
![Inside Mathematics: Boxes [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Inside Mathematics: Boxes [Pdf] Lesson Plan")
University of Texas
Inside Mathematics: Boxes [Pdf]
This task challenges students to demonstrate an understand of the concept of equality using scales and balance beams.