Writing Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, greater than or equal to, or less than or equal to the other.

Front

What symbol represents 'greater than' in inequalities?

Back

>

Front

What symbol represents 'less than' in inequalities?

Back

<

Front

How do you express 'at least' in an inequality?

Back

You express 'at least' using the 'greater than or equal to' symbol (≥).

Front

How do you express 'at most' in an inequality?

Back

You express 'at most' using the 'less than or equal to' symbol (≤).

Front

What inequality represents the statement 'You must be at least 17 years old'?

Back

a ≥ 17

Front

What inequality represents the statement 'Children under five get a free meal'?

Back

a < 5

Front

How would you write the inequality for 'You need to do chores for more than an hour'?

Back

h > 1

Front

What does the inequality 'p < 15' represent in the context of inviting people to a party?

Back

It represents that you can invite fewer than 15 people to the party.

Front

What is the difference between strict and non-strict inequalities?

Back

Strict inequalities (<, >) do not include the boundary value, while non-strict inequalities (≤, ≥) do include the boundary value.