Fraction of a Set
1. There are 7 fowls.
4 out of the 7 fowls are chickens.
What fraction of the fowls are chickens?
4 |
7 |
2. There are 21 fowls.
4 |
7 |
How many chickens are there?
Since the denominator is 7, divide the fowls into 7 equal groups.
of 21 = 12
There are 12 chickens.
4 |
7 |
There are 12 chickens.
3. What fraction of the set in each of the following is shaded?
a.
The fraction of the set that is shaded =
The fraction of the set that is shaded =
2 |
5 |
b.
The fraction of the set that is shaded =
The fraction of the set that is shaded =
2 |
3 |
c.
The fraction of the set that is shaded =
=
The fraction of the set that is shaded =
2 |
4 |
1 |
2 |
d.
The fraction of the set that is shaded =
=
The fraction of the set that is shaded =
6 |
10 |
3 |
5 |
4. Find the value of each of the following:
a.
of 18
of 18
=
× 18
=
=
= 15
5 |
6 |
Divide 18 into 6 equal groups.
Five groups are
of 18.
Five groups are
5 |
6 |
5 |
6 |
=
5 |
6 |
=
5 x 18 |
6 |
=
90 |
6 |
= 15
b.
of 20
of 20
=
× 20
=
=
= 4
1 |
5 |
1 |
5 |
=
1 |
5 |
=
1 x 5 |
20 |
=
5 |
20 |
= 4
c.
of 7
of 7
=
× 7
=
=
= 7 ÷ 4
= 1.75
1 |
4 |
1 |
4 |
=
1 |
4 |
=
1 x 7 |
4 |
=
7 |
4 |
= 7 ÷ 4
= 1.75
5. There were 10 children in the playground. 4 of them were playing hopscotch. What fraction of the children were not playing hopscotch? Give your answer in its simplest form.
6 out of 10 children were not playing hopscotch.
6 |
10 |
3 |
5 |
3 |
5 |