If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

# Unit: Unit 6: Expressions, equations, and inequalities

#### 0

Possible mastery points

## 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!

#### Quiz 1

Level up on the above skills and collect up to 600 Mastery points

## 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!

#### Quiz 2

Level up on the above skills and collect up to 400 Mastery points

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

Learn
No videos or articles available in this lesson
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!

#### Quiz 3

Level up on the above skills and collect up to 600 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 1600 Mastery points!