Representing An Inequality On A Number Line

Inequalities

Formative Assessment

Summary of the Math: Inequalities

Read and Discuss

  • An inequality is a relationship that holds between two values that are different.

  • a < b means that a is less than b (or, equivalently, that b is greater than a).

  • a > b means that a is greater than b (or, equivalently, that b is less than a).

  • ab means that a is less than or equal to b (or, equivalently, that b is greater than or equal to a).

  • ab means that a is greater than or equal to b (or, equivalently, that b is less than or equal to a).

Hint:

Can you:

  • Explain the meaning of each inequality symbol?
  • Show how each type of inequality is represented on a number line?