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# Unit: Algebraic expressions

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### About this unit

The core idea in algebra is using letters to represent relationships between numbers without specifying what those numbers are! Let's explore the basics of communicating in algebraic expressions.### Learn

### Practice

- Writing basic expressions with variablesGet 5 of 7 questions to level up!
- Writing expressions with variablesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

### Learn

### Practice

- Combining like terms with negative coefficientsGet 5 of 7 questions to level up!
- Combining like terms with negative coefficients & distributionGet 3 of 4 questions to level up!
- Combining like terms with rational coefficientsGet 3 of 4 questions to level up!

### Practice

- Distributive property with variablesGet 3 of 4 questions to level up!
- Factor with distributive property (variables)Get 3 of 4 questions to level up!

### Practice

- Equivalent expressionsGet 5 of 7 questions to level up!

### Practice

- Nested fractionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 560 Mastery points

Up next for you:

Level up on all the skills in this unit and collect up to 1100 Mastery points!