University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balancing Chemical Equations
An interactive simulation with weights and scales that teaches about balancing chemical equations and conservation of mass. This simulation can either be downloaded or played online and includes handouts, lesson plans, and additional...
Hooda Math
Hooda Math: Balance Scales
Solve simple linear equations using a balance beam. Replicate the given equation by moving the blocks of X and 1 to the sides of the balance scale. Then use addition, subtraction, multiplication, and division to each side to solve for x.
PBS
Pbs: Balancing Scales to Solve Equations
Predict the number of blocks you need to equal the weight of one bag and then test your theory. This interactive exercise focuses on using critical thinking skills to add and subtract items on the scales to achieve balance and visual...
National Council of Teachers of Mathematics
Nctm: Illuminations: Pan Balance Numbers
Use this tool to strengthen understanding and computation of numerical expressions and equality using a balance scale.
TeachEngineering
Teach Engineering: The Balancing Act
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)...
TeachEngineering
Teach Engineering: Hydrogen Oxygen Reaction Lab
This lab exercise exposes students to a potentially new alternative energy source-hydrogen gas. Student teams are given a hydrogen generator and an oxygen generator. They balance the chemical equation for the combustion of hydrogen gas...
Wyzant
Wyzant: Basics of Equations
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.
Math Is Fun
Math Is Fun: Balance When Adding and Subtracting
An interactive scale shows you how to deal with numbers and variables when solving simple algebraic equations.
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.
Math Slice
Math Slice: Heavy Slice Special Test
A concise test for assessing number sense using weights and scales. Assessment is scored online offering students immediate feedback. Can be used for a quick assessment.