Intro to Ratios

There are 4 birds and 6 snakes. What is the ratio of birds to total animals in simplest form?

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

Which ratio is equivalent to 12:20

• 6:20

• 2:3

• 3:10

• 3:5

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4

• 2:5

• 2:11

• 11:2

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

What is the ratio of triangles to squares?

• 2:6

• 5:6

• 3:4

• 4:3

What is the ratio of red circles to blue stars?

• 3:4

• 7/4

• 11/4

• 4 to 7

Which one is a real life example of a RATIO?

• 12 noodles

• 4 meatballs : 1 cup of sauce

• 1 jar of sauce

• 15 desserts

What is the ratio of red dots to total dots

• 6:5

• 5 to 6

• 5:11

• 11:5