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# Unit: Fractions, decimals, & percentages

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### About this unit

In these tutorials, we'll explore the number system. We'll convert fractions to decimals, operate on numbers in different forms, meet complex fractions, and identify types of numbers. We'll also solve interesting word problems involving percentages (discounts, taxes, and tip calculations).### Learn

### Practice

- Write decimals as fractionsGet 5 of 7 questions to level up!
- Rewriting decimals as fractions challengeGet 5 of 7 questions to level up!
- Converting fractions to decimalsGet 3 of 4 questions to level up!

### Learn

### Practice

- Order rational numbersGet 3 of 4 questions to level up!
- Adding & subtracting rational numbersGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Equivalent expressions with percent problemsGet 3 of 4 questions to level up!
- Percent problemsGet 3 of 4 questions to level up!
- Tax and tip word problemsGet 3 of 4 questions to level up!
- Discount, markup, and commission word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- Rational number word problemsGet 3 of 4 questions to level up!

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

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Level up on all the skills in this unit and collect up to 1000 Mastery points!