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Equations, expressions, and inequalities

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What is a variable?Why aren't we using the multiplication sign?
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Evaluating an expression with one variableEvaluating 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!
Learn
Constructing numerical expressionsEvaluating expressions with & without parentheses
Practice
Evaluate expressions with parenthesesGet 5 of 7 questions to level up!
Translate expressions with parenthesesGet 3 of 4 questions to level up!
Create expressions with parenthesesGet 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!
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Writing basic expressions word problemsWriting basic expressions word problemsWriting expressions word problems
Practice
Writing basic expressions word problemsGet 5 of 7 questions to level up!
Writing expressions word problemsGet 5 of 7 questions to level up!
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Variables, expressions, & equationsTesting solutions to equationsIntro to equations
Practice
Testing solutions to equationsGet 5 of 7 questions to level up!
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Same thing to both sides of equationsRepresenting a relationship with an equationDividing both sides of an equationOne-step equations intuition
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One-step addition & subtraction equationsOne-step subtraction equationsOne-step addition & subtraction equationsOne-step addition & subtraction equations: fractions & decimals
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One-step division equationsOne-step multiplication equationsOne-step multiplication & division equationsOne-step multiplication & division equations: fractions & decimals
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Modeling with one-step equationsEquation word problem: super yoga (1 of 2)Equation word problem: super yoga (2 of 2)One-step equations review
Practice
Translate one-step equations and solveGet 3 of 4 questions to level up!
Model with one-step equationsGet 3 of 4 questions to level up!
Model with one-step equations and solveGet 3 of 4 questions to level up!
Learn
Greater than and less than symbolsPlotting inequalitiesInequality word problemsInequality word problem: one variablePlotting an inequality exampleGraphing inequalities review
Practice
Compare 2-digit numbersGet 5 of 7 questions to level up!
Plotting inequalitiesGet 3 of 4 questions to level up!
Inequality from graphGet 3 of 4 questions to level up!
Writing numerical inequalitiesGet 5 of 7 questions to level up!
Inequalities word problemsGet 3 of 4 questions to level up!
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2-step estimation word problemsSetting up 2-step word problemsSame thing to both sides of equationsIntro to two-step equationsTwo-step equations intuitionWorked example: two-step equationsTwo-step equations review
Practice
Two-step equationsGet 5 of 7 questions to level up!
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Dependent & independent variablesDependent & independent variables: graphingDependent & independent variables: equationDependent and independent variables review
Practice
Independent versus dependent variablesGet 3 of 4 questions to level up!
Tables from equations with 2 variablesGet 3 of 4 questions to level up!
Match equations to coordinates on a graphGet 3 of 4 questions to level up!

About this unit

In this topic, we will look at 1- and 2-step equations, as well as expressions and inequalities.