Understanding Inequalities for Grade 7

Front

Definition of Inequality

Back

A mathematical statement that shows the relationship of one quantity being greater or less than another.

Front

Symbol for "greater than"

Back

>

Front

Symbol for "less than"

Back

<

Front

Example: x > 5

Back

x is greater than 5.

Front

Example: y ≤ 3

Back

y is less than or equal to 3.

Front

Step 1 in Solving Inequalities

Back

Isolate the variable on one side.

Front

Step 2 in Solving Inequalities

Back

Use inverse operations to simplify.

Front

Step 3 in Solving Inequalities

Back

Flip the inequality sign when multiplying or dividing by a negative number.

Front

Example: 2x + 3 < 7

Back

Subtract 3, then divide by 2: x < 2.

Front

Example: -3x ≥ 9

Back

Divide by -3 and flip sign: x ≤ -3.