Activity
TeachEngineering

Teach Engineering: The Balancing Act

For Teachers 6th - 8th
Students are given the opportunity to visualize and interact with concepts they have already learned, specifically algebraic equations and solving for unknown variables. Students construct a balancing seesaw system (LEGO Balance Scale)...
Lesson Plan
University of Texas

Inside Mathematics: Boxes [Pdf]

For Teachers 5th - 7th
This task challenges students to demonstrate an understand of the concept of equality using scales and balance beams.
Graphic
Wyzant

Wyzant: Basics of Equations

For Students 9th - 10th
This tutorial from WyzAnt contains a walk-through of the basics of solving algebraic equations. Examples are given and the tutorial ends with an interactive worksheet that contains an answer key.
Interactive
Math Is Fun

Math Is Fun: Balance When Adding and Subtracting

For Students 3rd - 8th
An interactive scale shows you how to deal with numbers and variables when solving simple algebraic equations.