Rates and Ratios

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 4/6

• 1/3

• 10/16

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 2

• 5 to 3

• 3 to 5

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12

What is the ratio of sharks to fish?

• 2 to 10

• 2 to 8

• 8 to 2

What is the ratio of fish to sharks?

• 8:2

• 10:2

• 2:8

What is the ratio of blue to orange?

• 3/2

• 3/5

• 2/3

What is the ratio of circles to triangles?

• 2 to 4

• 3 to 4

• 1 to 3

What is the ratio of red to green shapes?

• 4 to 3

• 3 to 1

• 4 to 7

What mathematical operation do ratios involve?

• Multiplication

• Subtraction

• Addition

• Division

When are ratios useful?

• When you are doing chores

• When you want to divide two numbers

• When you want to compare a part of something to a whole of something