Percents
Created by: Mrs. J Couch
Percents
 A percent is a rate out of 100
 Ex. 36/100 = 36%
Percent Problems
Solve using:
-the is/of model
-a double number line
- % of # (change % to decimal
and multiply)
Percents
 In a box of 20 crayons, 14 are
broke. What percent of the
crayons are broke?
Practice
 Crosby Middle School held a car
wash as a fundraiser. Out of the 25
vehicles that were washed, 20 were
cars. What percent of the vehicles
were cars?
Practice
 Mr. Evans surveyed his students to determine their
favorite summer sport. The results are shown in the
table below.
 What percent of the students surveyed chose
swimming?
Percent Problems
 Find 7% of 85
x
7
85
Then, cross multiply to
solve the proportion
is
%
=
of 100
Percent Problems
 Find 25% of 90
x
is
%
=
of 100
25
90
Then, cross multiply to
solve the proportion
Split 90 into 4 sections
(90 ÷ 4= ? )
X
90
Percent Problems
 14 is 20% of what
is
%
=
of 100
number?
14
20
Each section (20%) has a
value of 14. There are 5
sections.
(14*5= ? )
x
Then, cross multiply to
solve the proportion
14
X
Practice
 In a class of 40 students, 75%
returned their permission slips for
the school field trip. How many
students returned their permission
slips?
Practice
 Melissa’s paycheck last week was
$125.52. She would like to put 20% of
her earnings in her savings account. How
much money should she put in her
savings account?
Exit Slip
 Juan made 13 out of 20 free throws. If
Bonita shoots 25 free throws, what’s the
minimum number she has to make in
order to have a better free-throw
percentage than Juan?