# Unit 5: Rational number arithmetic

## Lesson 1: Interpreting negative numbers

Practice
Missing numbers on the number lineGet 3 of 4 questions to level up!
Order rational numbersGet 3 of 4 questions to level up!

## Lesson 2: Changing temperatures

Practice
Adding negative numbersGet 5 of 7 questions to level up!

## Lesson 3: Changing elevation

Practice
Signs of sumsGet 5 of 7 questions to level up!
Adding negative numbers on the number lineGet 5 of 7 questions to level up!
Number equations & number linesGet 3 of 4 questions to level up!

## Lesson 5: Representing subtraction

Practice
Understand subtraction as adding the oppositeGet 3 of 4 questions to level up!
Subtracting negative numbersGet 5 of 7 questions to level up!

## Lesson 6: Subtracting rational numbers

Practice
Adding & subtracting negative fractionsGet 5 of 7 questions to level up!
Absolute value to find distanceGet 5 of 7 questions to level up!
Adding & subtracting rational numbersGet 3 of 4 questions to level up!

## Lessons 1-6: Extra practice

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Practice
Adding & subtracting negative numbersGet 5 of 7 questions to level up!
Addition & subtraction: find the missing valueGet 3 of 4 questions to level up!
Equivalent expressions with negative numbersGet 3 of 4 questions to level up!

## Lesson 7: Adding and subtracting to solve problems

Practice
Interpreting negative number statementsGet 3 of 4 questions to level up!

## Lesson 10: Multiply!

Practice
Multiplying positive and negative fractionsGet 3 of 4 questions to level up!

## Lesson 11: Dividing rational numbers

Practice
Dividing negative numbersGet 3 of 4 questions to level up!
Dividing positive and negative fractionsGet 3 of 4 questions to level up!
Dividing mixed numbers with negativesGet 3 of 4 questions to level up!

Practice

## Lesson 13: Expressions with rational numbers

Practice
Substitution with negative numbersGet 5 of 7 questions to level up!
Ordering negative number expressionsGet 3 of 4 questions to level up!
Negative signs in fractionsGet 3 of 4 questions to level up!
Signs of expressionsGet 5 of 7 questions to level up!

## Lesson 14: Solving problems with rational numbers

Practice
Order of operations with negative numbersGet 5 of 7 questions to level up!
Rational number word problemsGet 3 of 4 questions to level up!

## Lesson 15: Solving equations with rational numbers

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Practice