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In this activity, students use linear modeling to predict how long it will take for a smartphone to reach full charge. Students will also interpret the parameters of their equation in context.

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Printing Ticket: Which Company is Better?

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Printing Ticket: Which Company is Better?

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The task types indicate the breadth and depth of CCSS mathematical practices assessed by the task. Novice tasks involve only MP2 and MP6 and do so at a low level. Apprentice tasks add MP3 and MP7 but, because of the guidance within the task, do so at a comparatively modest level.

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Use this activity to practice how to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit.