Topic 7 Percentages With Answer Key - Math Quest 7 Page 8
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40number and algebra
41% as a decimal is:
3
MC
a
41
0.41
4.100
4.1
0.041
a
b
C
d
e
8% as a decimal is:
b
8
0.008
0.08
0.8
800
a
b
C
d
e
43.64% as a decimal is:
c
0.4364
4.364
43.6400
436.4
4364.0
a
b
C
d
e
v
110% as a decimal is:
110% as a decimal is:
d
110
1100
0.11
1.10
11.0
a
b
C
d
e
100
underSTandIng
Car prices have dropped by 17% over the
4
Digital doc
past 8 years. What is this percentage as a:
Spreadsheet
Percentages as
fraction
decimal?
a
b
decimals
The maximum legal blood alcohol
5
doc‐1910
concentration (BAC) for drivers in
Victoria is 0.05%. What is the BAC as a:
fraction
decimal?
a
b
In 2013, the number of visitors to Australia
6
during February was 2.85% lower than in
January. Write this percentage as a decimal.
Over the past decade, insurance
7
premiums have risen by 218%. Write
this percentage as a decimal.
In the 3 months following a drought,
8
the price of vegetables fell by 13.8%.
Write this percentage as a decimal.
Government funding to state schools rose by 8.35%. Write this percentage as a decimal.
9
reaSOnIng
Round the following percentages to the nearest whole number: 23.2%, 23.5%,
10 a
23.8%, 23.9%.
Round the following decimal numbers to two decimal places: 0.232, 0.235,
b
0.238, 0.239.
The percentages in part
are the same as the decimal numbers in part
.
c
a
b
Does it matter whether you round up or down the percentages or the decimal
values?
·
Consider the following percentages: 23.6%, 23.6
% , 23.66%.
11
Which one of the three percentages is largest?
a
Convert these percentages to decimals. State your answer to two decimal places.
b
Which digit helps you determine the order of these percentages?
c
PrOblem SOlVIng
Consider the following percentages: 37.8%, 39.6%, 30.9%, 34.5%, 32.8%.
12
Convert these numbers to decimals.
a
Arrange the percentages in order from highest to lowest.
b
Arrange the decimal numbers in order from highest to lowest.
c
Was it easier to arrange the numbers in the order required using decimals or
d
percentages? Explain your answer.
Consider the following percentages: 7.291%, 72.91%, 729.1%.
13
Convert these percentages to decimal numbers.
a
What effect does the conversion have on the numbers?
b
Topic 7 • Percentages
251
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education