1. Objective: I can solve word problems!

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 and define your variables.
Write the equation or inequality.
Solve.
Write your answer in a complete sentence.
Check or justify your answer (optional).

3. Age Problem
Write an equation and solve: Suzie is 3 years older than twice Crystal’s age. If the sum of their ages is 6, how old are Suzie and Crystal?
Let x be Crystal’s age
(x + 3) + x = 6
x = 1
Crystal is 1 year old and Suzie is 5 years old.

4. Travel Problem The buses will meet in 4 hours.
Write an equation and solve: Two buses leave Houston at the same time and travel in opposite directions. One bus averages 55mi/h and the other bus averages 45mi/h. When will they be 400 miles apart?
The buses will meet in 4 hours.

5. Geometry Problem
Write an equation and solve: The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. What are the dimensions of the rectangle?
The width is 4.5 cm and the length is 7.5 cm.

6. Inequality Key Words at least - means greater than or equal to
At most –means less than or equal to
no more than - means less than or equal to
more than - means greater than
less than - means less than
Between -means compound inequality with and

14. Let x be the amount 1st brother saved.
Two brothers are saving money to buy tickets to a concert. Their combined savings is $55. One brother has $15 more than the other. How much has each saved?
Let x be the amount 1st brother saved.
x + (x+15) = 55
x = 20

15. p. 30: 27, 45, 53, 61
p. 38: 11, 13, 25, 27, 51, 55