# Unit 5: Rational number arithmetic

## Lesson 1: Interpreting negative numbers

Practice
Missing numbers on the number lineGet 3 of 4 questions to level up!
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Order rational numbersGet 3 of 4 questions to level up!
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#### Quiz 1

Level up on the above skills and collect up to 200 Mastery points

## Lesson 2: Changing temperatures

Practice
Adding negative numbersGet 5 of 7 questions to level up!
0/100 points

## Lesson 3: Changing elevation

Practice
Signs of sumsGet 5 of 7 questions to level up!
0/100 points
Adding negative numbers on the number lineGet 5 of 7 questions to level up!
0/100 points
Number equations & number linesGet 3 of 4 questions to level up!
0/100 points

## Lesson 5: Representing subtraction

Practice
Understand subtraction as adding the oppositeGet 3 of 4 questions to level up!
0/100 points
Subtracting negative numbersGet 5 of 7 questions to level up!
0/100 points

## Lesson 6: Subtracting rational numbers

Practice
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Adding & subtracting negative fractionsGet 5 of 7 questions to level up!
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Absolute value to find distanceGet 5 of 7 questions to level up!
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Adding & subtracting rational numbersGet 3 of 4 questions to level up!
0/100 points

## Lessons 1-6: Extra practice

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No videos or articles available in this lesson
Practice
Adding & subtracting negative numbersGet 5 of 7 questions to level up!
0/100 points
Addition & subtraction: find the missing valueGet 3 of 4 questions to level up!
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Equivalent expressions with negative numbersGet 3 of 4 questions to level up!
0/100 points

## Lesson 7: Adding and subtracting to solve problems

Practice
Interpreting negative number statementsGet 3 of 4 questions to level up!
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#### Quiz 2

Level up on the above skills and collect up to 1500 Mastery points

## Lesson 9: Multiplying rational numbers

Practice
Multiplying negative numbersGet 3 of 4 questions to level up!
0/100 points

## Lesson 10: Multiply!

Practice
Multiplying positive and negative fractionsGet 3 of 4 questions to level up!
0/100 points

## Lesson 11: Dividing rational numbers

Practice
Dividing negative numbersGet 3 of 4 questions to level up!
0/100 points
Dividing positive and negative fractionsGet 3 of 4 questions to level up!
0/100 points
Dividing mixed numbers with negativesGet 3 of 4 questions to level up!
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## Lesson 12: Negative rates

Practice
0/100 points

#### Quiz 3

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

## Lesson 13: Expressions with rational numbers

Practice
Substitution with negative numbersGet 5 of 7 questions to level up!
0/100 points
Ordering negative number expressionsGet 3 of 4 questions to level up!
0/100 points
Negative signs in fractionsGet 3 of 4 questions to level up!
0/100 points
Signs of expressionsGet 5 of 7 questions to level up!
0/100 points

## Lesson 14: Solving problems with rational numbers

Practice
Order of operations with negative numbersGet 5 of 7 questions to level up!
0/100 points
Rational number word problemsGet 3 of 4 questions to level up!
0/100 points

#### Quiz 4

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

## Lesson 15: Solving equations with rational numbers

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#### Quiz 5

Level up on the above skills and collect up to 200 Mastery points
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#### Unit test

Level up on all the skills in this unit and collect up to 3100 Mastery points!