Understanding Ratios with Tape Diagrams for Grade 4

A tape diagram shows 3 parts of apples to 2 parts of oranges. If there are 12 apples, how many oranges are there?

• 8

• 6

• 4

• 10

In a class, the ratio of boys to girls is 4:5. If there are 20 boys, how many girls are in the class?

• 25

• 20

• 30

• 15

A recipe uses a ratio of 2 cups of flour to 3 cups of sugar. If you have 6 cups of flour, how much sugar do you need?

• 3 cups of sugar

• 9 cups of sugar

• 6 cups of sugar

• 12 cups of sugar

A tape diagram shows 5 parts of red marbles to 3 parts of blue marbles. If there are 40 red marbles, how many blue marbles are there?

• 32

• 20

• 30

• 24

In a garden, the ratio of flowers to shrubs is 7:2. If there are 28 flowers, how many shrubs are there?

• 12

• 10

• 6

• 8

A tape diagram shows 6 parts of chocolate to 4 parts of vanilla ice cream. If there are 30 scoops of chocolate, how many scoops of vanilla are there?

• 15 scoops of vanilla

• 20 scoops of vanilla

• 25 scoops of vanilla

• 10 scoops of vanilla

In a school, the ratio of teachers to students is 1:15. If there are 3 teachers, how many students are there?

• 15 students

• 45 students

• 60 students

• 30 students

A tape diagram shows 2 parts of cats to 5 parts of dogs. If there are 25 dogs, how many cats are there?

• 10

• 5

• 15

• 20

In a fruit basket, the ratio of bananas to apples is 3:4. If there are 12 bananas, how many apples are there?

• 10

• 14

• 16

• 20

A tape diagram shows 1 part of green beans to 3 parts of carrots. If there are 12 carrots, how many green beans are there?

• 8

• 10

• 6

• 4