M.7.2.b
Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams and verbal descriptions of proportional relationships.
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?
We can calculate x, the amount of kilometers run in t hours, using the equation .
How many kilometers are run per hour?
How many kilometers are run per hour?
Khan Academy ResourcesInterpret constants of proportionalityConstant of proportionality from equationsConstant of proportionality from graphsConstant of proportionality from tables (with equations)Interpreting graphs of proportional relationshipsWriting proportional equationsCompare constants of proportionalityIntro to proportional relationshipsIdentifying constant of proportionality graphicallyConstant of proportionality from table (with equations)Constant of proportionality from equationComparing proportionality constantsIs side length & perimeter proportional?Proportional relationships: movie ticketsInterpret proportionality constants

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