Making Green Paint A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Title Making Green Paint
Description Students use relative thinking to solve mixing problems using a paint mixing simulation and contrast absolute (additive) thinking and relative (multiplicative) thinking when reflecting on the activity during partner and whole group discussion.
Subject Mathematics
Level Middle School
Type Discussion Prompts, Guided Activity
Duration 90 minutes
Answers Included No
Language English
Keywords ratios
Simulation(s) Proportion Playground (HTML5)


Author(s) Michael Matassa
Contact Email michael.matassa@colorado.edu
School / Organization University of Colorado Boulder
Date submitted 17/06/06
Date updated 17/06/06