## Unit 1: Relationships Between Quantities and Reasoning with Equations

### Overview

*By the end of eighth grade students have learned to solve linear equations in one variable and have applied graphical and algebraic methods to analyze and solve systems of linear equations in two variables. This unit builds on these earlier experiences by asking students to analyze and explain the process of solving an equation. All of this work is grounded on understanding quantities and on relationships between them.*

**Developed by: **Stephanie Beck Roth

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## Pre-Unit Assessment

## Lesson 1

Answers Need Units

## Lesson 2

Appropriate Quantities

## Lesson 3

Accuracy in Measurement

## Lesson 4

Interpreting Parts of Expressions

## Lesson 5

Creating Equations/Inequalities That Model and Solve Problems

## Lesson 6

Linear and Exponential Modeling with Two Variables

## Lesson 7

Constraints and Viable Solutions

## Lesson 8

Formulas and Literal Equations

## Lesson 9

Capstone Performance Task