Math 8
Chapter 5.1 Assignment.
Name:____________________
Date:___________________
Block:_________
1) Fill in the blank with the appropriate word or number.
a) The word percent means _____________ by ___________ or out of _____________.
b) To change a percent to a ____________ , remove the percent sign, divide by 100, then simplify.
c) To write a percent in decimal form, remove the percent sign, and move the _______________
two places to the _________________.
d) To change a fraction to a percent, __________________ the fraction by __________________,
and add a percent sign.
e) A percent that is larger than 100% is a number __________________ than 1.
2) Use percent to name the shaded portion of each drawing.
a)
b)
____________
d)
c)
_____________
e)
___________
____________
f)
___________
__________
g)
h)
3) Write as a fraction. Simplify.
a) 12%
__________
b) 7%
___________
c) 140%
__________
d) 33%
__________
e) 33 % ___________
f) 350%
__________
i)
%
__________
l)
%
___________
g) 2 %
__________
h)
% ___________
j)
%
__________
k)
m)
%
__________
n) 83 % ___________
%
___________
o) 14 %
___________
p) 166 % __________
4) Write as decimal.
a) 8%
__________
b) 60 % _________
c) 700 %
d) 100 %
_________
e) 205 % _________
f) 82
g) 4 %
__________
h) 0.032% ________
i) 3200 %
__________
% __________
___________
j) 0.2 %
m) %
p) 8 %
___________
k) 32
%
_________
n) 12 %
_________
_________
l)
% __________
o) 3 %
__________
_________
5) Write as a percent.
a) 0.35
d) 0.7
___________
___________
b) 3.5 __________
c) 35 __________
e) 7
f) 70
__________
__________
g) 0.0025 __________
h) 0.025 __________
i) 0.25 __________
j) 14.26
k) 1.426 __________
l) 142.6 __________
n) 0.39 __________
o) 390
m) 3.9
__________
__________
__________
p) 0.0039 __________
6) Writs as a percent.
a)
d)
2
____________
b)
____________
e)
___________
20
_________
c)
f) 200
____________
__________
g)
____________
j) 2
__________
m)
p) 7
___________
h)
____________
i)
___________
___________
k) 3
___________
l) 5
n)
___________
o)
___________
___________
7) Complete the tables.
8) Sue got 21 out of 30 questions correct on a test. What percent did she score on the test?
9) Health Canada reported that 1 out of 4 children are overweight or obese. What percent of children is
this?
10) Health Canada states that every child exercise 90 minutes every day. What percentage of a 24 hour
day should be spent exercising?
11) Twenty six out of 180 grade 8 students took the bus to school. What percent of the class took the
bus to school?
12) Seventy two percent of people surveyed eat junk food as a snack at least once per week. What
fraction does this represent?
13) A school has 20% more students than it was built for. Express the student population as a fraction.