The document defines percent as a ratio with 100 as the second term, meaning "per hundred" or "out of a hundred." It provides examples of converting between fractions, decimals, and percents by moving decimal points and changing denominators. Conversions include renaming 5/4 as 0.8 or 80%, 0.45 as 45%, and 60% as 12/20 or 3/5.

1. Meaning
of
Percent

2. Percent – is a ration that has 100 as
its second term
Percent means “per hundred” or “out
of a hundred.”
It is denoted by the symbol %

3. How many parts
are shaded? 75 parts are
shaded
Therefore, the number
of shaded parts is 75 %
of all the parts.
If 75 parts of a region are shaded,
what percent is not shaded?
25% is not
shaded.
If the whole region is shaded, how
many percent is that?
100% is
shaded.

4. Renaming Fractions to Percent
To express fraction to percent:
• Divide the numerator by the denominator
to get the decimal fraction.
• Convert the answer to a percent by moving
the decimal point two places to the right.
5
4
0.8 0

5. Renaming Percent to Decimals
To express percent to decimal:
• Move the decimal point two places to
the left. Then remove the percent sign.
45% = 45 = 0. 45

6. Renaming Decimals to Percent
• Move decimal point two places to right.
Then, insert percent symbol.
0.45 = 45%

7. Renaming Percent to Fractions
To express percent as decimal fraction:
• Remove the percent sign. Then express
the percent as a fraction whose
denominator is 100. Reduce the fraction
to lowest terms if needed.
60% =
60
100
20
20
÷ =
3
5