Page 81 - TB_5B
P. 81
Activity 1 Understand Percents
Learn about percents.
Percent or % means “of a hundred.” Coloring all the
squares shows 100%.
% is the symbol for percent.
100%
25% means 25 out of 100.
25 out of 100
25
100
0.25
25%
1 . Write a fraction, decimal, and percent to show each colored part.
a. b. c.
7 out of 100 e.
7
100
0.07
7%
d.
Origin of %
In the 15th century, per co or pco
was used to express per cento
(cento = hundred).
The history of the percent symbol
is shown below.
per %
70
Learn about percents.
Percent or % means “of a hundred.” Coloring all the
squares shows 100%.
% is the symbol for percent.
100%
25% means 25 out of 100.
25 out of 100
25
100
0.25
25%
1 . Write a fraction, decimal, and percent to show each colored part.
a. b. c.
7 out of 100 e.
7
100
0.07
7%
d.
Origin of %
In the 15th century, per co or pco
was used to express per cento
(cento = hundred).
The history of the percent symbol
is shown below.
per %
70
