Topic: Equalities and Inequalities C2.4 – Inequalities

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Ontario Curriculum Expectation:

6.C2.4 solve inequalities that involve two operations and whole numbers up to 100, and verify and graph the solutions.

An inequality shows the relationship of two expressions when they are compared. Here is an example of an inequality with a variable.

x > 4

x ≤ 4 means x is a value smaller than 4. So there are many possibilities. x can be 0, 1, or 4.

To show these different possibilities, we graph the value on a number line.

This is the graph of  x > 4:

This is the graph of  x < 6: