Examples for

# Common Core Math: Expressions & Equations

From sixth to eighth grade, students apply and extend previous understandings of arithmetic to work with algebraic expressions, in which variables stand for unknown or changing numbers. Students build fluency in writing and manipulating expressions and in solving equations and inequalities, including those with exponents and radicals. Students represent and analyze relationships between dependent and independent variables and explore proportional relationships and linear equations.

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Manipulate expressions and solve equations and inequalities, including those with negative numbers.

#### Simplify expressions (CCSS.Math.Content.7.EE.A.1):

#### Factor expressions (CCSS.Math.Content.7.EE.A.1):

#### Solve an equation (CCSS.Math.Content.7.EE.B.4a):

#### Solve an inequality (CCSS.Math.Content.7.EE.B.4b):

Write, evaluate and manipulate expressions and solve equations and inequalities.

#### Write an expression to represent a verbal description (CCSS.Math.Content.6.EE.A.2a):

#### Evaluate an expression (CCSS.Math.Content.6.EE.A.2c):

#### Write equivalent expressions (CCSS.Math.Content.6.EE.A.3):

#### Solve an equation (CCSS.Math.Content.6.EE.B.7):

#### Verify solutions to equations and inequalities (CCSS.Math.Content.6.EE.B.5):

Manipulate expressions, including those with exponents; solve equations and systems of equations; and use scientific notation.