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# Unit 17: Operations and Algebra 218-221

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Unit test

### Practice

- Basic ratiosGet 5 of 7 questions to level up!

### Learn

### Practice

- Equivalent ratiosGet 3 of 4 questions to level up!
- Equivalent ratios with equal groupsGet 3 of 4 questions to level up!
- Equivalent ratio word problemsGet 3 of 4 questions to level up!
- Equivalent ratios in the real worldGet 3 of 4 questions to level up!
- Understand equivalent ratios in the real worldGet 3 of 4 questions to level up!

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

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### Practice

- Create double number linesGet 3 of 4 questions to level up!
- Ratios with double number linesGet 3 of 4 questions to level up!
- Relate double number lines and ratio tablesGet 3 of 4 questions to level up!
- Ratio tablesGet 3 of 4 questions to level up!
- Ratios with tape diagramsGet 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

- Ratios on coordinate planeGet 3 of 4 questions to level up!
- Ratios and units of measurementGet 3 of 4 questions to level up!
- Part-part-whole ratiosGet 3 of 4 questions to level up!

### Learn

### Practice

- Unit ratesGet 5 of 7 questions to level up!
- Rate problemsGet 3 of 4 questions to level up!
- Comparing ratesGet 3 of 4 questions to level up!

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

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### Practice

- Intro to percentsGet 5 of 7 questions to level up!
- Percents from fraction modelsGet 3 of 4 questions to level up!
- Relate fractions, decimals, and percentsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Convert percents to fractionsGet 3 of 4 questions to level up!
- Convert fractions to percentsGet 3 of 4 questions to level up!
- Convert decimals to percentsGet 3 of 4 questions to level up!
- Convert percents to decimalsGet 3 of 4 questions to level up!

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

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### Practice

- Equivalent representations of percent problemsGet 3 of 4 questions to level up!
- Finding percentsGet 5 of 7 questions to level up!

### Practice

- Percent word problemsGet 5 of 7 questions to level up!

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

### Learn

### Practice

- Meaning of exponentsGet 3 of 4 questions to level up!
- Powers of whole numbersGet 3 of 4 questions to level up!
- Powers of fractions & decimalsGet 3 of 4 questions to level up!

### Learn

### Practice

- Order of operations (no exponents)Get 3 of 4 questions to level up!
- Order of operationsGet 3 of 4 questions to level up!
- Order of operations with fractions and exponentsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Evaluating expressions with one variableGet 5 of 7 questions to level up!
- Variable expressions with exponentsGet 3 of 4 questions to level up!
- 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!

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

### Practice

- Expression value intuitionGet 3 of 4 questions to level up!

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### Practice

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

### 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 400 Mastery points

### Learn

### Practice

- Distributive property with variablesGet 3 of 4 questions to level up!
- Create equivalent expressions by factoringGet 3 of 4 questions to level up!
- Factor with distributive property (variables)Get 3 of 4 questions to level up!

### Learn

### Practice

- Combining like termsGet 3 of 4 questions to level up!

### Practice

- Equivalent expressionsGet 5 of 7 questions to level up!

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

### Learn

### Practice

- Identify equations, expressions, and inequalitiesGet 3 of 4 questions to level up!
- Testing solutions to equationsGet 5 of 7 questions to level up!

### Learn

### Practice

- Identify equations from visual models (tape diagrams)Get 3 of 4 questions to level up!
- Identify equations from visual models (hanger diagrams)Get 3 of 4 questions to level up!
- Solve equations from visual modelsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- One-step addition & subtraction equationsGet 5 of 7 questions to level up!
- One-step addition & subtraction equations: fractions & decimalsGet 5 of 7 questions to level up!

### Learn

### Practice

- One-step multiplication & division equationsGet 5 of 7 questions to level up!
- One-step multiplication & division equations: fractions & decimalsGet 5 of 7 questions to level up!

### Learn

### Practice

- Find the mistake in one-step equationsGet 3 of 4 questions to level up!

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

### Practice

- Translate one-step equations and solveGet 3 of 4 questions to level up!
- Model with one-step equationsGet 3 of 4 questions to level up!
- Model with one-step equations and solveGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Testing solutions to inequalities (basic)Get 3 of 4 questions to level up!
- Graphing basic inequalitiesGet 3 of 4 questions to level up!
- Inequality from graphGet 3 of 4 questions to level up!
- Plotting inequalitiesGet 3 of 4 questions to level up!
- Inequalities word problemsGet 3 of 4 questions to level up!

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

### 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 320 Mastery points

Level up on all the skills in this unit and collect up to 7000 Mastery points!