7.PAR.4.5
Use context to explain what a point (x, y) on the graph of a proportional relationship means in terms of the situation, with special attention to the points (0, 0) and (1, r) where r is the unit rate.
Example Problems
A hiker climbs in .
How many meters does the hiker climb per hour?
How many meters does the hiker climb per hour?
A carpenter uses 180 nails to assemble 15 frames.
How many nails are used per frame?
How many nails are used per frame?
A car travels in .
How many miles per hour does the car travel?
How many miles per hour does the car travel?
Khan Academy ResourcesProportional relationshipsIdentify proportional relationshipsInterpreting graphs of proportional relationshipsIntro to proportional relationshipsProportional relationships: bananasIs side length & area proportional?Proportional relationships: graphsProportional relationshipsIs side length & perimeter proportional?Proportional relationships: movie ticketsProportional relationships: spaghetti

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