🔢 Mathematics · Algebra

Numbers on a number line

Understand inequalities as statements comparing expressions, represent solutions on a number line, and solve simple linear inequalities using the same inverse-operation methods as equations

Typical age: 11–14 years

“Can your child solve an inequality like 2x + 1 < 9, show the answer on a number line, and explain what all the solutions have in common?”

0 / 3 mastered

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Needs first

Solving Linear EquationsREQUIRED
Solving inequalities uses the same inverse-operation methods as solving equations
Fractions on a number line (age 11+)REQUIRED
Representing inequality solutions on a number line requires ordering integers, decimals, and fractions together

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