1. Equations & Word Problems

2. How to: Breathe. Read the whole question.
Re-read each sentence and note important details (numbers!)
Draw a picture, if needed.
Write an equation.
Solve.

3. Example

4. Example
At 1pm on Sunny Isle Beach, Juan noticed the temperature outside was 96 degrees. The temperature decreased at a steady rate of 4 degrees per hour. Write an equation to model the situation. At what time was the temperature 80 degrees?

5. Example
One  year,  Kent  played  Play  Station  4 for  five fewer  hours  than   Dennis,  and  Joy  played  six hours  more  than Dennis. Although, the three friends played on the PS4 for a total of 205 hours. Write an equation to model the situation. Find the number of hours each person played on the PS4 in on year.

6. Word Problems with Proportions
Identify two quantities (usually nouns or units of measurement).
Examples: cookies, inches, miles, trees, books, etc.
Set up fractions….pick which quantity is going on top and which quantity is going on bottom.
Cross Multiply.
Divide to get variable alone.

7. Example
The windows on a building are proportional to the size of the building. The height of each window is 18 in., and the width is 11 in. If the height of the building is 108 ft, what is the width of the building? Calculator = YES

8. Example
Eric is planning to bake approximately 305 cookies. If 3 pounds of cookie dough make 96 cookies, how many pounds of cookie dough should he make?
Calculator = YES

9. Time, Distance and Speed
A cargo plane made a trip to the airshow and back. The trip there took six hours and the trip back took four hours. What was the cargo plane's average speed on the trip there if it averaged 255 mph on the return trip? Calculator = YES

10. Time, Distance and Speed
Eduardo traveled to his friend's house and back. It took three hours longer to go there than it did to come back. The average speed on the trip there was 22 km/h. The average speed on the way back was 55 km/h. How many hours did the trip there take? Calculator = YES

11. Working Together
Dan can pick forty bushels of apples in eight hours. Ted can pick the same amount in ten hours. Find how long it would take them if they worked together. Calculator = YES