Notes 9.3
Name_________________
How do I write
percents as decimals
and decimals as
percents?
Example
Your turn
1. To change a percent to a
decimal, drop the percent sign
and move the decimal 2
places left.
Change a percent to
a decimal.
Change a percent to
a decimal.
36% = 0.36
52% =
2. To change a decimal to a
percent, move the decimal 2
places right and add a
percent sign.
Change a decimal to
a percent.
Change a decimal to
a percent.
0.27 = 27%
0.88 =
3. To change a fraction to
percent, take the numerator
and divide it by the
denominator.
5 =
6
3 =
8
4. Round to the nearest
thousandth. Make the
decimal into a percent.
0.83333 ≈ 0.833
0.833
6 5
0.833 ≈ 83.3%
Remember:
Remember:
Percents less than 1%
represent numbers less
than 0.01 or 1/100.
≈ is read
“approximately
equal to”. It shows
that the answer
has been rounded
and is not exact.
Percents greater than 100%
represent number greater
than 1.