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# Unit 3: Module 3: Expressions and equations

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## About this unit

"Module 3 consolidates and expands students’ previous work with generating equivalent expressions and solving equations. Students solve real-life and mathematical problems using numerical and algebraic expressions and equations. Their work with expressions and equations is applied to finding unknown angles and problems involving area, volume, and surface area." Eureka Math/EngageNY (c) 2015 GreatMinds.org### 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!
- 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!
- Interpreting linear expressionsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Two-step equationsGet 5 of 7 questions to level up!
- 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!
- 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!
- Plotting inequalitiesGet 3 of 4 questions to level up!
- Inequality from graphGet 3 of 4 questions to level up!
- One-step inequalitiesGet 5 of 7 questions to level up!
- 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 800 Mastery points

### Learn

### Practice

- Circumference of a circleGet 3 of 4 questions to level up!
- Area of a circleGet 5 of 7 questions to level up!
- Area of parts of circlesGet 3 of 4 questions to level up!
- Area of composite shapesGet 3 of 4 questions to level up!
- Surface area using netsGet 3 of 4 questions to level up!
- Surface areaGet 3 of 4 questions to level up!

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

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Level up on all the skills in this unit and collect up to 2200 Mastery points!