Using Ratios and Rates to Solve Problems A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Title Using Ratios and Rates to Solve Problems
Description Students use given rate information to analyze a driving situation and make predictions. The teacher displays the sim and uses it to test students’ predictions, after they have completed their written work. This activity is aligned to the GoMath curriculum but will work in any classroom using rates to solve problems and using a double number line.
Subject Mathematics
Level Middle School
Type Guided Activity
Duration 30 minutes
Answers Included No
Language English
Keywords double number line, rates, ratios, unit rates
Simulation(s) Unit Rates (HTML5)


Author(s) Ian Whitacre, Sebnem Tekin
Contact Email amanda.mcgarry@colorado.edu
School / Organization PhET
Date submitted 12/13/17
Date updated 12/13/17