1. Multistep Percent Problems
7th Grade – Pre-Algebra

2. Lesson Objective
 Objectives: Students will be able to:
 Translate percent problems from written form to
numerical form.
 Convert percentages to fractions and decimals.
 Solve multistep percent problems in numerical
form.

3. What do you think of when
you hear the word..
sale

4. sale

5.  What tools do we need to compare different sales?
 We need to know how to
change percentages to
fractions and decimals.
50% = = 0.50
 We need to know how to
translate percent problems.
Five = 5
50
100

6.  How to change percentages to fractions and decimals:
50 % = fifty percent
_____
100
Divide 100
centper
50 % =
50_____
100

7. Example Problem
What is 25% of 36?

8. Example Problem
What is 25% of 36?
x

9. Example Problem
What is 25% of 36?
x =

10. Example Problem
What is 25% of 36?
x = 0.25

11. Example Problem
What is 25% of 36?
x = 0.25 ●

12. Example Problem
What is 25% of 36?
x = 0.25 ● 36

13. Example Problem
What is 25% of 36?
x = 0.25 ● 36
9=x

14. Example Problem
What is 30% of 54?

15. Example Problem
What is 30% of 54?
x

16. Example Problem
What is 30% of 54?
x =

17. Example Problem
What is 30% of 54?
x = 0.30

18. Example Problem
What is 30% of 54?
x = 0.30 ●

19. Example Problem
What is 30% of 54?
x = 0.30 ● 54

20. Example Problem
What is 30% of 54?
x = 0.30 ● 54
16.2=x

21. Apple iPod Shuffle
Original Price: $46.00
Sale Price: $35.99
20% discount off all iPods

22. California Republic Sweatshirt
Original Price: $39.99
Sale Price: $34.99
15% discount off all sweatshirts

23. Debrief Questions
Evaluation - How does language
influence our understanding of
mathematics?
Analysis - What is the difference
between the words “of” and “out of?”
Application - How would you use what
you have learned to help you make
better choices when shopping?