Finding Unit Rates by Reading Graphs

This lesson teaches how to find unit rates by reading graphs. It begins with an introduction to unit rates using a milk cost example, explaining the concept of constant proportionality. The lesson then explores how graphs provide clues about proportional relationships. A detailed example using a snack pack graph demonstrates how to identify unit rates by analyzing the x and y axes. The lesson concludes with verifying unit rates through multiplication, ensuring that all points on the graph align with the calculated unit rate.

What is a unit rate and how can it be determined from a graph?

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Describe how the example of milk pricing illustrates the concept of unit rates.

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What does the term 'constant proportionality' refer to in the context of unit rates?

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Explain the significance of the y-axis in determining the unit rate from a graph.

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How can you verify that a calculated unit rate is correct using other quantities?

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