## cell_phone_plan.docx - Section 2: Investigation

cell_phone_plan.docx

# Cell Phone Plans

Unit 3: Systems of Equations
Lesson 5 of 13

## Big Idea: Students love to send text messages and some have to pay for their own cell phones. This lesson turns the tables and puts the students in the position of pitching cell phone plans to consumers. They use their knowledge of systems of equations to make gra

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7 teachers like this lesson
Standards:
Subject(s):
Math, Algebra, modeling, systems of equations, 9th grade
45 minutes

### James Bialasik

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