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# Unit 1: Algebra foundations

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## About this unit

This topic is an overview of the fundamental ideas and tools of algebra.

### Learn

### Practice

- Evaluating expressions with multiple variablesGet 3 of 4 questions to level up!
- Evaluating expressions with multiple variables: fractions & decimalsGet 3 of 4 questions to level up!

### Learn

### Practice

- Evaluating expressions with variables word problemsGet 3 of 4 questions to level up!

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

### 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!

### Learn

### Practice

- Independent versus dependent variablesGet 3 of 4 questions to level up!
- Tables from equations with 2 variablesGet 3 of 4 questions to level up!
- Match equations to coordinates on a graphGet 3 of 4 questions to level up!
- Relationships between quantities in equationsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 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

- Equivalent expressionsGet 5 of 7 questions to level up!

### Learn

### Practice

- Interpreting linear expressionsGet 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 1,500 Mastery points!