What is Equality A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


Download all files as a compressed .zip


Title What is Equality
Description This activity leads students through an exploration of the concept of equality. The exploration uses progressively formal representations for this algebraic concept.
Subject Mathematics
Level High School, Middle School
Type Discussion Prompts, Guided Activity, Homework, Lab
Duration 60 minutes
Answers Included No
Language English
Keywords Algebraic Reasoning, Equality, Negative, Positive, Progressive Formalization
Simulation(s) Equality Explorer (HTML5)


Author(s) David Wood
Contact Email dwwood3@gmail.com
School / Organization Centaurus High School - Boulder Valley School District
Date submitted 8/20/18
Date updated 8/20/18