Main content

Algebra foundations

Learn
Origins of algebraAbstract-nessThe beauty of algebraIntro to the coordinate planeWhy all the letters in algebra?
Learn
What is a variable?Why aren't we using the multiplication sign?Evaluating an expression with one variableEvaluating expressions with one variable
Practice
Evaluating expressions with one variableGet 5 of 7 questions to level up!
Learn
Evaluating expressions with two variablesEvaluating expressions with two variablesEvaluating expressions with two variables: fractions & decimalsEvaluating expressions with two variables: fractions & decimals
Learn
Intro to combining like termsSimplifying expressionsCombining like terms challenge problemSimplifying expressions with rational numbers
Learn
Equivalent expressions
Practice
Equivalent expressionsGet 5 of 7 questions to level up!
Learn
Why dividing by zero is undefinedThe problem with dividing zero by zeroUndefined & indeterminate expressions

About this unit

This unit is an overview of some fundamental ideas and tools we'll be using throughout algebra.