Ratios, Tables, and Graphs

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Ratios Ratio Tables Proportionality

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What is a ratio?

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What are the three ways to write a ratio:

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What does equivalent mean?

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What is done to ___ side must be done to the _____ side. What is done to the ___ is done to the ______.

What determines proportionality on a graph?

Looking at the graphs, what determines whether or not the coordinates show proportionality on a graph? Which graphs show proportionality?

Extension: Which graphs show a positive relationship? And which ones show a negative relationship?

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3 lbs. of sweet potatoes cost $9.00. How much per potato?

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6 lbs. of strawberries cost $18.00. How much would 8 lbs. cost?

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A person drives 27 miles on 3 gallons of gas. How many miles per gallon can be traveled?

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Determine which tables are proportional?