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Lesson Plan List for: Ratio and Proportion

Change grade range

Resource	Grade Level	Media Type
Gears and Proportions Students learn about proportions and ratios through learning about the gears on a bike.	5-8	Lesson Plan
Scaling Down, Scaling Up Students learn about scaling an object, first smaller (1/10) and then larger (2x).	4-7	Lesson Plan
Scaling Up a Photograph Students learn about proportions and figure out the dimensions of enlargements of rectangular photographs (and some reductions), based on the percentage of the enlargement.	4-7	Lesson Plan
Using Maps and Scales to Get to the Basketball Hall of Fame Students learn about proportions by using map scales to estimate travel distances. They use understandings of ratios to calculate travel time using an estimated speed.	5-8	Lesson Plan