Determine the Best Deal By Comparing Equations

This Determine the Best Deal By Comparing Equations video also includes:

Now that you've taught constant of proportionality, can your mathematicians figure out which item has a better cost based on its equation? The first video in the series introduces the constant, while this video practices using it with a situation. The three different candy cost equations are put into a table and graph to show the best deal with different amounts of candy. There is a quick review of decimals beforehand to emphasize the importance of place value. 

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CCSS: Designed
Classroom Considerations

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  • Uses a table and graph to organize data
  • Extension activities include writing activity to explain how to find the best deal
  • Use slides for more practice and quick quiz

  • Does not teach how to find the constant of proportionality, use prior video for more explanation
Common Core