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Variables & expressions

Learn
What is a variable?Terms, factors, & coefficientsWhy aren't we using the multiplication sign?Terms, factors, and coefficients review
Practice
Parts of algebraic expressionsGet 5 of 7 questions to level up!
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Evaluating an expression with one variableEvaluating exponent expressions with variablesEvaluating expressions with two variablesEvaluating expressions with two variables: fractions & decimalsEvaluating expressions with one variableEvaluating expressions with two variablesEvaluating expressions with two variables: fractions & decimals
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Expression value intuitionExpression value intuition
Practice
Expression value intuitionGet 3 of 4 questions to level up!
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Evaluating expressions with variables: temperatureEvaluating expressions with variables word problemsEvaluating expressions with variables: cubesEvaluating expressions with variables: exponents
Practice
Learn
Writing basic expressions with variablesWriting basic expressions with variablesWriting expressions with variablesWriting expressions with variablesWriting expressions with variables & parentheses
Practice
Writing basic expressions with variablesGet 5 of 7 questions to level up!
Writing expressions with variablesGet 5 of 7 questions to level up!
Learn
Writing basic expressions word problemsWriting basic expressions word problems
Practice
Writing basic expressions word problemsGet 5 of 7 questions to level up!
Learn
Distributive property over additionDistributive property over subtractionDistributive property with variables
Practice
Distributive property with variablesGet 3 of 4 questions to level up!
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Intro to combining like termsCombining like termsCombining like terms example
Practice
Combining like termsGet 5 of 7 questions to level up!
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Equivalent expressions
Practice
Equivalent expressionsGet 5 of 7 questions to level up!

About this unit

Learn what variables are and practice using them in expressions. The major concepts covered in these tutorials are substitution, the distributive property, and combining like terms.