# Unit 6: Expressions, equations, and inequalities

## Lesson 4: Reasoning about equations and tape diagrams (part 1)

### Practice

Writing expressions word problemsGet 5 of 7 questions to level up!

## Lesson 6: Distinguishing between two types of situations

### Practice

Interpreting linear expressionsGet 3 of 4 questions to level up!

## Lesson 9: Dealing with negative numbers

### Practice

Two-step equationsGet 5 of 7 questions to level up!

## Lesson 10: Different options for solving one equations

### Practice

Two-step equations with decimals and fractionsGet 5 of 7 questions to level up!
Find the mistake: two-step equationsGet 3 of 4 questions to level up!

## Lesson 11: Using equations to solve problems

### Practice

Two-step equations word problemsGet 3 of 4 questions to level up!

## Lesson 13: Reintroducing inequalities

### Practice

Testing solutions to inequalitiesGet 3 of 4 questions to level up!

## Lesson 15: Efficiently solving inequalities

### Practice

One-step inequalitiesGet 5 of 7 questions to level up!
Two-step inequalitiesGet 5 of 7 questions to level up!

## Lesson 17: Modeling with inequalities

### Practice

Two-step inequality word problemsGet 3 of 4 questions to level up!

## Lesson 20: Combining like terms (part 1)

### Learn

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### Practice

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

## Lesson 22: Combining like terms (part 3)

### Practice

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