Holland - ratios

Express the ratio as a fraction in simplest form:

18 ounces to 3 cups

• 6 to 1

• 1/6

• 18/3

• 3/18

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 is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

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

• 2:5
• 5:3
• 3:5
• 5:2

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

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 3
• 3 to 5
• 5 to 2

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 a Ratio?

• It's a comparison of two things
• Multiplying two fractions 
• A number over another number
• Two decimals that can be multiplied

What are three ways to write a ratio that compares 2 boys to 3 girls.

• 2;3 , 2 to 3 , 23

• 2:3 , 2 to 3 , 2/3

• 3:2 , 3 to 2 , 3/2

• 2:3, 2.3; 2/3

If the ratio of fish to turtles in the fish tank is 7 to 3, which MUST be true.

• There are only 7 fish in the tank.

• There are only 3 turtles in the tank.

• There are more turtles than fish.

• There are more fish than turtles.