1. Today we will interpret percent as a part of a hundred.
interpret – figure out; understand
percent – per one hundred (100)
Concept

2. When you take a test your score is shown as a percent
When you take a test your score is shown as a percent. For example, lets say you take a math test that has 100 questions on it. If you score 70 correct, your percentage would be 70 %.
APK

3. Percent
Percent means per hundred. It is another way of saying, “out of one hundred.” CD

4. Definition “Cent” is a Latin root word which means 100.
Many words have come from the root cent such as:
century
centimeter
centipede
cent CD

5. One hundred
100 CD

6. CD

7. 100 pennies
= $1.00 CD

8. More examples
$ .50 is ½ of a dollar
50% means ½
$1.00
50¢
50¢ = + CD

9. 50% .50 50 100 1 2 = = = Money & Percents Fraction Simplified Percent
Decimal
Fraction
50%
.50 50
100 1 2 = = = CD

10. 95 % 100 books! I have read 95 books out of my 100-book- collection.CD

11. 10
20 out of
100 = 20% or 10 CD

12. 10
40 out of
100 = 40% Or 10 CD

13. 10
50 out of
100 = 50% or 10 CD

14. 10 out of 100 units are shaded blue.
= 10 % CD

15. 30 out of 100 units are shaded blue.
= 30 % CD

16. 80 out of 100 units are shaded blue.90
100
= 90 % CD

17. Why is understanding percent important?
You will know the relationship between any number and 100 as a percent.
You will know how a percent translates into fractions.
What are other reasons why it is important to know how to understand
IMP

18. Percentage? If 24 out of 100 units are shaded blue. What is the = __ %
_24_
100
= __ %
What is the
Percentage? GP

19. Percentage? If 32 out of 100 units are shaded blue. What is the = __ %
_32_
100
= __ %
What is the
Percentage? GP

20. Percentage? If 16 out of 100 units are shaded blue. What is the = __ %
_16_
100
= __ %
What is the
Percentage? GP

21. what is 55 % of 100? 55 GP

22. what is 75 % of 100? 75 GP

23. what is 45 % of 100? 45 GP

24. what is 100 % of 100?
100
100 =
1 x 100 GP

25. How we are going to interpret percent as a part of a hundred.
Look at the diagram representing 100
Count the shaded boxes inside the 100’s chart
Write the answer in fraction form and percentage
There are 10 boxes shaded!
= 10%=

26. How we are going to interpret percent as a part of a hundred.
Look at the diagram representing 100
Count the shaded boxes inside the 100’s chart
Write the answer in fraction form and percentage
There are 31 boxes shaded!
= 31%

27. How we are going to interpret percent as a part of a hundred.
Look at the diagram representing 100
Count the shaded boxes inside the 100’s chart
Write the answer in fraction form and percentage
There are 51 boxes shaded!
= 51%

28. How we are going to interpret percent as a part of a hundred.
Look at the diagram representing 100
Count the shaded boxes inside the 100’s chart
Write the answer in fraction form and percentage
There are 50 boxes shaded!
= 50%=

29. How we are going to interpret percent as a part of a hundred.
Look at the percentage
Think about what that would represent on the 100’s chart
Write the answer in fraction form.
Could you reduce the fraction any further?
35% =

30. How we are going to interpret percent as a part of a hundred.
Look at the percentage
Think about what that would represent on the 100’s chart
Write the answer in fraction form.
Could you reduce the fraction any further?
45% =

31. How we are going to interpret percent as a part of a hundred.
Look at the percentage
Think about what that would represent on the 100’s chart
Write the answer in fraction form.
Could you reduce the fraction any further?
75% =

32. How we are going to interpret percent as a part of a hundred.
Look at the diagram representing 100
Count the shaded boxes inside the 100’s chart
Write the answer in fraction form and percentage
There are 10 boxes shaded!
= 10%

33. How we are going to interpret percent as a part of a hundred.
Look at the diagram representing 100
Count the shaded boxes inside the 100’s chart
Write the answer in fraction form and percentage
There are 10 boxes shaded!
= 10%

34. Let’s review what we learned about how to interpret percent as a part of a hundred
“out of a hundred”
What does percent mean?
How do you write
as a percentage?
How do you write 80% as a fraction?
10%