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# Unit 18: Operations and Algebra 222-226

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Unit test

### Practice

- Rates with fractionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Constant of proportionality from graphsGet 3 of 4 questions to level up!
- Constant of proportionality from equationsGet 3 of 4 questions to level up!
- Constant of proportionality from tablesGet 3 of 4 questions to level up!
- Constant of proportionality from tables (with equations)Get 3 of 4 questions to level up!

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

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### Practice

- Compare constants of proportionalityGet 3 of 4 questions to level up!
- Interpret constants of proportionalityGet 3 of 4 questions to level up!
- Interpret constant of proportionality in graphsGet 3 of 4 questions to level up!

### Learn

### Practice

- Identify proportional relationshipsGet 5 of 7 questions to level up!
- Proportional relationshipsGet 5 of 7 questions to level up!

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

### Learn

### Practice

- Identify proportional relationships from graphsGet 3 of 4 questions to level up!
- Interpreting graphs of proportional relationshipsGet 3 of 4 questions to level up!

### Learn

### Practice

- Solving proportionsGet 5 of 7 questions to level up!
- Writing proportionsGet 3 of 4 questions to level up!
- Proportion word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- Writing proportional equations from tablesGet 3 of 4 questions to level up!
- Writing proportional equationsGet 3 of 4 questions to level up!

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

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### 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!

### Learn

### Practice

- Distributive property with variables (negative numbers)Get 3 of 4 questions to level up!
- Equivalent expressions: negative numbers & distributionGet 5 of 7 questions to level up!

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### Learn

### Practice

- Interpreting linear expressionsGet 3 of 4 questions to level up!
- Writing expressions word problemsGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Two-step equations with decimals and fractionsGet 5 of 7 questions to level up!
- Find the mistake: two-step equationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Interpret two-step equation word problemsGet 3 of 4 questions to level up!
- Two-step equations word problemsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Inequality from graphGet 3 of 4 questions to level up!
- Plotting inequalitiesGet 3 of 4 questions to level up!
- Testing solutions to inequalitiesGet 3 of 4 questions to level up!
- One-step inequalitiesGet 5 of 7 questions to level up!

### Learn

### Practice

- Two-step inequalitiesGet 5 of 7 questions to level up!
- Two-step inequality word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

Level up on all the skills in this unit and collect up to 3500 Mastery points!