Ratio and Equivalent Ratio

For every 5 boys there are 3 girls in the gym class. What is the ratio of girls to boys in the gym class?

• 5:3

• 3:5

• 9:10

• 1:3

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 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

Which represents the relationship of oranges to fruit?

• 2:6
• 2:4
• 4:6
• 4:2

"Which ratio represents the relationship of bananas to apples?"
What type of ratio is this?

• Part-to-Part
• Part-to-Whole

"Which represents the relationship of oranges to fruit?"
What type of ratio is this?

• Part-to-Part
• Part-to-Whole

There are 13 boys and 10 girls in the classroom.  What is the ratio of boys to girls?

• 10 to 13
• 23 to 13
• 13 to 10
• 23 to 10

What is the ratio of triangles to squares?

• 6/3
• 3/9
• 9/3
• 3/5

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

• 4/10
• 4/6
• 6/4
• 10/4

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