# Algebra foundations

## Introduction to variables

### Practice

Evaluating expressions with one variableGet 5 of 7 questions to level up!

## Substitution and evaluating expressions

### Practice

Evaluating expressions with multiple variablesGet 3 of 4 questions to level up!

## Writing algebraic expressions introduction

### Practice

Writing basic expressions with variablesGet 5 of 7 questions to level up!
Writing expressions with variablesGet 5 of 7 questions to level up!

## Dependent & independent variables

### Practice

Independent versus dependent variablesGet 3 of 4 questions to level up!
Tables from equations with 2 variablesGet 3 of 4 questions to level up!
Match equations to coordinates on a lineGet 3 of 4 questions to level up!

## Combining like terms

### Practice

Combining like terms with negative coefficientsGet 5 of 7 questions to level up!
Combining like terms with rational coefficientsGet 3 of 4 questions to level up!

## Introduction to equivalent algebraic expressions

### Practice

Equivalent expressionsGet 5 of 7 questions to level up!

## Interpreting linear expressions

### Practice

Interpreting linear expressionsGet 3 of 4 questions to level up!