# Algebraic Expressions

## The constituents of an expression

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Terms, factors, & coefficientsTerms, factors, and coefficients review
Practice
Parts of algebraic expressionsGet 5 of 7 questions to level up!

## Combining like terms- part 1/2

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Intro to combining like termsCombining like termsCombining like terms exampleCombining like terms with distribution
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Combining like termsGet 5 of 7 questions to level up!
Combining like terms with distributionGet 3 of 4 questions to level up!

## Combining like terms- part 2/2

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Simplifying expressionsCombining like terms challenge problemSimplifying expressions with rational numbers
Practice
Combining like terms with negative coefficientsGet 5 of 7 questions to level up!
Combining like terms with rational coefficientsGet 3 of 4 questions to level up!

## Adding & subtracting algebraic expressions

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Practice
Add polynomials (intro)Get 3 of 4 questions to level up!
Subtract polynomials (intro)Get 3 of 4 questions to level up!
Add & subtract polynomialsGet 3 of 4 questions to level up!

## Adding and subtracting algebraic expressions : two variables

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Adding polynomials: two variables (intro)Subtracting polynomials: two variables (intro)Subtracting polynomials: two variablesFinding an error in polynomial subtractionAdding and subtracting polynomials with two variables reviewPolynomials review
Practice
Add & subtract polynomials: two variables (intro)Get 3 of 4 questions to level up!
Add & subtract polynomials: two variablesGet 3 of 4 questions to level up!
Add & subtract polynomials: find the errorGet 3 of 4 questions to level up!

## Finding the value of an expression

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Evaluating expressions with variables: exponentsEvaluating exponential expressions 2Evaluating expressions with variables: temperatureEvaluating expressions with two variablesExample: Evaluating expressions with 2 variablesExamples of evaluating variable expressions
Practice
Evaluating expressions with one variableGet 5 of 7 questions to level up!
Evaluating expressions with multiple variablesGet 3 of 4 questions to level up!

## Number patterns

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Factors and multiples: days of the weekMath patterns: toothpicksMath patterns: table
Practice
Patterns with numbersGet 3 of 4 questions to level up!