Writing Inequalities

Writing Inequalities

How can you use an inequality to describe a situation?

What is an equality?

A mathematical sentence that contains:

Greater Than

Write the inequality for: The piece of wire, w, is longer than 20 feet.

Written in words: w is greater than 20

Greater Than or Equal To

Write the inequality for: The Pizza, p, will cost at least $8.

Written in words: p is greater than or equal to $8.

Less Than

Write the inequality for: Henry's height, h, less than 60 inches.

Written in words: h is less than 60

Less Than or Equal To

Write the inequality for: The classroom holds at most 30 students, s.

Written in words: s is less than or equal to 30

Is NOT Equal To

Write the inequality for: Zoe, z, is not 11 years old.

Written in words: z is not equal to 11

Now It Is Your Turn!

Multiple Choice

Choose an inequality for the situation.

A number, n, is greater than 22.

Multiple Choice

Choose an inequality for the situation.

The value, v, does not equal 2.

Multiple Choice

Choose an inequality for the situation.

The cost, c, is less than $45.

Multiple Choice

Choose an inequality for the situation.

The weight limit, w, on the bridge is 12 tons.

Multiple Choice

Choose an inequality for the situation.

The distance, d, is at least 110 miles.

Poll

How do you feel about writing inequalities for a situation?

• Great!

• So-So.

• Confused?