Inequality Word Problems

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, or equal to the other.

Front

What does the symbol '>' represent in inequalities?

Back

'>' means 'greater than'. For example, if x > 5, then x is any number greater than 5.

Front

What does the symbol '<' represent in inequalities?

Back

'<'' means 'less than'. For example, if y < 10, then y is any number less than 10.

Front

What does the symbol '≥' represent in inequalities?

Back

'≥' means 'greater than or equal to'. For example, if z ≥ 3, then z is 3 or any number greater than 3.

Front

What does the symbol '≤' represent in inequalities?

Back

'≤' means 'less than or equal to'. For example, if a ≤ 7, then a is 7 or any number less than 7.

Front

How do you represent 'more than' in an inequality?

Back

'More than' is represented by the symbol '>'. For example, if a number is more than 10, it can be written as x > 10.

Front

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

Back

'At least' is represented by the symbol '≥'. For example, if a number is at least 5, it can be written as x ≥ 5.

Front

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

Back

'At most' is represented by the symbol '≤'. For example, if a number is at most 20, it can be written as x ≤ 20.

Front

If Jo has 520 signatures and needs at least 1000, how many more does he need?

Back

Jo needs 1000 - 520 = 480 more signatures.

Front

If Wes wants to spend under $15 on lunch and buys pizza slices for $2.50 each and a soda for $1.75, how do you set up the inequality?

Back

Let x be the number of pizza slices. The inequality is 2.50x + 1.75 < 15.