7A.2.a
Use equivalent ratios displayed in a table or in a graph of the relationship in the coordinate plane to determine whether a relationship between two quantities is proportional.
Khan Academy ResourcesProportional relationshipsIdentify 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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