7.PAR.4.1
Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units presented in realistic problems.
Example Problems
At the market, 8 apples cost $4.
How much do 9 apples cost?
How much do 9 apples cost?
At the market, 5 light bulbs cost $9.
How much do 7 light bulbs cost?
How much do 7 light bulbs cost?
At a pet store, 8 dog treats cost $10.
How much do 9 dog treats cost?
How much do 9 dog treats cost?
Khan Academy ResourcesRates with fractionsInterpret constants of proportionalityConstant of proportionality from equationsConstant of proportionality from graphsConstant of proportionality from tables (with equations)Interpreting graphs of proportional relationshipsWriting proportional equationsProportion word problemsCompare constants of proportionalityProportion word problem: cookiesIntro to proportional relationshipsIdentifying constant of proportionality graphicallyConstant of proportionality from table (with equations)Constant of proportionality from equationRates with fractionsComparing proportionality constantsProportion word problem: hot dogsIs side length & perimeter proportional?Proportional relationships: movie ticketsInterpret proportionality constants

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