
Algebra
Not Just Numbers
Algebra uses symbols, often letters, to stand in for unknown numbers in equations.

Find the value of 'x' in the equation x + 5 = 9.
Problem Solving
Algebra is often about finding the missing numbers that make an equation true.

If 3a = 9, what does 'a' equal?
Real-World Use
Used for calculating things in real life, like expenses, distances, or time.

Price of 5 apples (a) is $10: 5a = 10.
Compare with
ArithmeticCalculusEquationFormulaGeometryMathematicsTrigonometryVariable
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