# Purchasing Cardstock - Earning Every Proportional Change

Unit 7: Linear Equations in two Variables
Lesson 4 of 23

## Big Idea: Use proportional reasoning to earn money and purchase cardstock for a project.

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2 teachers like this lesson
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Subject(s):
Math, Algebra, unit rate, proportional relationships, master teacher, 8th grade math, 7th Grade Math
50 minutes

### Christa Lemily

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