The purpose of this Warm-up is for students to reason about two situations that can be represented with linear equations. Because the number of babysitting hours determines which situation would be most profitable, there is no one correct answer to the question. Students are asked to explain their reasoning.
Give students 2 minutes of quiet work time followed by a whole-class discussion.
If you were babysitting, would you rather
Or
Explain your reasoning.
Sample responses:
Survey the class to determine which situation they would choose. Invite students from each side to explain their reasoning. Record and display these ideas for all to see. If no one reasoned about babysitting for less than 5 hours, and therefore chose the second option, mention this idea to students.
If students do not use linear equations or graphs to choose a situation, and there is time, ask students for the equation and graph that could be used to model each situation.
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The purpose of this Warm-up is for students to reason about two situations that can be represented with linear equations. Because the number of babysitting hours determines which situation would be most profitable, there is no one correct answer to the question. Students are asked to explain their reasoning.
Give students 2 minutes of quiet work time followed by a whole-class discussion.
If you were babysitting, would you rather
Or
Explain your reasoning.
Sample responses:
Survey the class to determine which situation they would choose. Invite students from each side to explain their reasoning. Record and display these ideas for all to see. If no one reasoned about babysitting for less than 5 hours, and therefore chose the second option, mention this idea to students.
If students do not use linear equations or graphs to choose a situation, and there is time, ask students for the equation and graph that could be used to model each situation.