1. 7.RP.3a Day 3 first day
Objective: I can find the percent of change.

2. Journal Solve: 32% of 85 is what number?
Create your own problem. Exchange with your neighbor and solve their problem.

3. Grade Homework
Finding Percents Worksheet % %

4. Review
53% of what is 144?

5. Review
13 is what percent of 24?

6. Review
What is 74% of 38?

7. Quiz
What is 93% of 120?

8. Notes
The Indy 500 is one of the world’s great motor races. In 1922, the fastest speed was 94 mph. In 1955 the speed was 128 mph.
Find the percent of increase.

9. Notes Percent of change is a fraction: Amount of change (subtract)
Original amount

10. Notes
So 94 mph to 128 mph would be:

11. Notes So 94 mph to 128 mpg would be:
It’s an increase because the number went up.
Decrease if the number goes down.

12. Notes
The cost of gas in 1970 was $ In 2010, it was $ Find the percent of change.

13. Notes
Find the percent of change:
$280 to $240

14. Notes
10 yards to 13 yards
20 students to 15 students

15. Notes
15 cars to 18 cars
100 acres to 140 acres

16. Notes
125 centimeters to 87.5 centimeters

17. Notes
1.6 hours to .95 hours
132 days to 160 days

18. Notes
$12 to $6
48 notebooks to 14 notebooks

19. Notes
$240 to $320
624 feet to 702 feet

20. Homework
Lesson 5 Skills Practice