Calculate Fractions of Sets: Class Challenge for Grade 4

A class has 24 students. If 1/3 of them are girls, how many girls are in the class?

• 6

• 8

• 12

• 10

There are 40 apples in a basket. If 1/4 of the apples are rotten, how many good apples are there?

• 30

• 35

• 20

• 10

In a garden, there are 60 flowers. If 2/5 of them are roses, how many roses are there?

• 24

• 30

• 12

• 15

A library has 80 books. If 1/5 of the books are fiction, how many fiction books are there?

• 20

• 10

• 16

• 40

A pizza is cut into 12 slices. If 1/2 of the pizza is eaten, how many slices are left?

• 10 slices

• 4 slices

• 6 slices

• 8 slices

In a box of crayons, there are 30 crayons. If 1/6 of them are red, how many red crayons are there?

• 20

• 10

• 5

• 15

A farmer has 90 chickens. If 1/10 of them are hens, how many hens does he have?

• 9

• 5

• 10

• 15

There are 50 students in a school. If 3/10 of them are in the band, how many students are in the band?

• 10

• 15

• 20

• 25

A toy store has 120 toys. If 1/4 of the toys are stuffed animals, how many stuffed animals are there?

• 30

• 50

• 40

• 20

In a classroom, there are 36 chairs. If 1/3 of the chairs are broken, how many chairs are not broken?

• 24

• 12

• 30

• 18