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Evaluating expressions with one variable

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Evaluating expressions with one variable

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Evaluating expressions with one variable

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Practice plugging in a value for the variable in an equation. These are introductory problems, so the expressions aren't too complicated.

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Evaluating expressions with multiple variables

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Evaluating expressions with multiple variables

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Evaluating expressions with multiple variables

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Practice evaluating expressions in two variables by plugging in values for the variables.

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Evaluating expressions with multiple variables: fractions & decimals

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Evaluating expressions with multiple variables: fractions & decimals

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Evaluating expressions with multiple variables: fractions & decimals

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Practice evaluating expressions in two variables by plugging in values for the variables. These problems include some fractions and decimals.

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Evaluating expressions with variables word problems

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Evaluating expressions with variables word problems

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Evaluating expressions with variables word problems

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Practice plugging in values to evaluate real-world algebraic expressions. These are introductory problems, so the expressions aren't too complicated.

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Algebra foundations | Algebra I | Math | Khan Academy

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

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Writing basic expressions with variables

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Writing basic expressions with variables

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Writing basic expressions with variables

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Practice writing basic algebraic expressions to match verbal descriptions of mathematical operations.

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Practice writing algebraic expressions to match verbal descriptions of mathematical operations.

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Practice figuring out if a variable is dependent or independent.

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Complete a table and identify coordinates when given a two-variable equation, such as y=2x+4.

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Match equations to coordinates on a line

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Match equations to coordinates on a line

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Match equations to coordinates on a line

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Identify the coordinates or line that matches a two-variable equation. Also, identify the corresponding equation when given a line and coordinates.

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Relationships between quantities in equations and graphs

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Relationships between quantities in equations and graphs

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Relationships between quantities in equations and graphs

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Use variables to represent two quantities in a real-world problem that change in relationship to one another; write an equation to express one quantity in terms of the other quantity. Then, analyze the relationship between the variables using graphs and tables, and relate these to the equation.

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Algebra foundations | Algebra I | Math | Khan Academy

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

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Combining like terms with negative coefficients

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Combining like terms with negative coefficients

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Combining like terms with negative coefficients

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Simplify algebraic expressions by combining like terms. Coefficients on some terms are negative.

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Combining like terms with negative coefficients and distribution

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Combining like terms with negative coefficients and distribution

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Combining like terms with negative coefficients & distribution

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Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers.

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Combining like terms with rational coefficients

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Combining like terms with rational coefficients

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Combining like terms with rational coefficients

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Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions.

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Practice determining whether or not two algebraic expressions are equivalent by manipulating the expressions. These problems require you to combine like terms and apply the distributive property.

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Algebra foundations | Algebra I | Math | Khan Academy

# data[].attributes.attachment_link.description
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

# data[].attributes.attachment_link.title
Algebra foundations | Algebra I | Math | Khan Academy

# data[].attributes.attachment_link.description
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.