PhET Proportion Playground

Compares paint mixes and necklaces to explore ratios and proportional reasoning.

Artifact by PhET Interactive Simulations (University of Colorado Boulder)

IndexedOpen sourceEducationNo sign-up

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Opens phet.colorado.edu in a new tab. Nothing to install.

Open PhET Proportion Playground Source code

You provide: Ratio settings
You get: Visual ratio comparison
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Nov 1, 2026

About

PhET Proportion Playground is an open-source web app in the education category (proportions). It opens in your browser, so there is nothing to install. You provide ratio settings and get visual ratio comparison. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (phetsims/proportion-playground).

Category: Education · proportions

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Details

Auth: No auth
License: Open source
Repository: github.com/phetsims/proportion-playground
Website: phet.colorado.edu/en/simulations/proportion-playground
First seen: Oct 31, 2026
Last checked: Nov 1, 2026
Source: GitHub

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Cite this page

PhET Proportion Playground: free online tool. Agent Mart. https://agentmart.dev/artifacts/phet-proportion-playground (last updated 2026-11-01)