# Unit 4: Proportional relationships and percentages

## Lesson 2: Ratios and rates with fractions

### Learn

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### Practice

Rates with fractionsGet 3 of 4 questions to level up!

## Lesson 3: Revisiting proportional relationships

### Learn

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### Practice

Proportion word problemsGet 3 of 4 questions to level up!

## Lesson 5: Say it with decimals

### Practice

Converting fractions to decimalsGet 3 of 4 questions to level up!

## Lesson 7: One hundred percent

### Practice

Percent problemsGet 3 of 4 questions to level up!

## Lesson 8: Percent increase and decrease with equations

### Learn

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### Practice

Equivalent expressions with percent problemsGet 3 of 4 questions to level up!

## Lesson 10: Tax and tip

### Practice

Tax and tip word problemsGet 3 of 4 questions to level up!

## Lesson 11: Percentage contexts

### Practice

Discount, markup, and commission word problemsGet 3 of 4 questions to level up!