Writing Inequalities from Word Problems

1. Writing Inequalities from Word Problems Mrs. Rauch 12/10/15

2. Word Problem Solving Strategies • Read through the entire problem. • Highlight the important information and key words that you need to solve the problem. • Identify your variables. • Write the equation or inequality. • Solve. • Write your answer in a complete sentence. • Check or justify your answer.

3. Inequality Key Words • At least – means greater than or equal to • No more than – means less than or equal to • More than – means greater than • Less than – means less than

4. Example 1 • Keith has $500 in a savings account at the beginning of the summer. He wants to have atleast $200 in the account by the end of summer. He withdraws (takes out) $25 a week for his cell phone bill. • Write an inequality that represents Keith’s situation.

5. Example 1 (Answer) 500 – 25w > 200

6. Example 2

7. Example 2 (Answer) .65m + 1.75 < 10

8. Example 3

9. Example 3 (Answer)

10. Example 4

11. Example 4 (Answer)