7.CE.2.b
Write and solve a proportion that represents a proportional relationship between two quantities to find a missing value, including problems in context.
Example Problems
Solve for x:
Solve for x:
Solve for x:
Khan Academy ResourcesWriting proportionsInterpret constants of proportionalityProportional relationshipsInterpreting graphs of proportional relationshipsWriting proportional equationsProportion word problemsWriting proportional equations from tablesProportion word problem: cookiesWorked example: Solving proportionsWriting proportions exampleIntro to proportional relationshipsWriting proportional equations from tablesRational number word problem: stockProportion word problem: hot dogsEquations for proportional relationshipsScale drawing: centimeters to kilometersProportional relationships: movie ticketsWriting proportional equationsInterpret proportionality constants

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