Main content

# Unit 4: Rational numbers: addition and subtraction

700 possible mastery points

Mastered

Proficient

Familiar

Attempted

Not started

Quiz

Unit test

## About this unit

Fractions and decimals can be negative, too. Remember how we used subtraction to represent distances on a number line? When absolute value comes to the rescue, that works with integers, too.### Learn

### Practice

- Absolute value to find distanceGet 5 of 7 questions to level up!

### Learn

### Practice

- Interpreting negative number statementsGet 3 of 4 questions to level up!
- Negative number addition and subtraction: word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- Commutative and associative properties of addition with integersGet 3 of 4 questions to level up!
- Equivalent expressions with negative numbersGet 3 of 4 questions to level up!

Up next for you:

Level up on all the skills in this unit and collect up to 700 Mastery points!