1. Understanding Percents%
The Part =
100
Whole

2. Understanding Percents
There are three types of percentage problems.They are:
50% of 80 is what number?
What percent of 12 is 3?
10% of what number is 8?

3. Understanding Percents
All percentage problems could be solved using a
proportion. %
The Part =
Whole
100

4. Understanding Percents 1
15% of 40 is what number?
The Part x 15 % =
100
Whole 40
100 x =
600
x = 6

5. Understanding Percents 1
25% of 60 is what number?
The Part x 25 % =
100
Whole 60
100 x =
1500
x = 15

6. Understanding Percents 1
80% of 200 is what number?
The Part x 80 % =
100
Whole
200
100 x =
16000
x = 160

7. Understanding Percents 2
What % of 50 is 5?
The Part 5 x % =
100
Whole 50
50 x =
500
x = 10

8. Understanding Percents 2
What % of 80 is 20?
The Part 20 x % =
100
Whole 80
80 x =
2000
x = 25

9. Understanding Percents 2
What % of 80 is 160?
The Part
160 x % =
100
Whole 80
80 x =
16,000
x = 200

10. Understanding Percents 3
10% of what number is 5?
The Part 5 10 % =
100
Whole x
10 x =
500
x = 50

11. Understanding Percents 3
25% of what number is 12? 12
The Part 25 % =
100
Whole x
25 x =
1200
x = 48

12. Understanding Percents 3
6% of what number is 120?
The Part
120 6 % =
100
Whole x
6 x =
12000
x = 2000

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14. Understanding Percents

15. Understanding Percents
There are three types of percentage problems.They are: 1. 2. 3.

16. Understanding Percents
All percentage problems could be solved using a __________________. =
100

17. Understanding Percents 1
15% of 40 is what number? =

18. Understanding Percents 1
25% of 60 is what number? =

19. Understanding Percents 1
80% of 200 is what number? =

20. Understanding Percents 2
What % of 50 is 5? =

21. Understanding Percents 2
What % of 80 is 20? =

22. Understanding Percents 2
What % of 80 is 160? =

23. Understanding Percents 3
10% of what number is 5? =

24. Understanding Percents 3
25% of what number is 12? =

25. Understanding Percents 3
6% of what number is 120? =