Ratio & Proportion

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

What is the ratio of the number of strawberries to oranges?

• 3 : 4

• 4: 3

• 3: 7

• 4: 7

What is the ratio of the number of strawberries to the total number of fruit?

• 4 : 2

• 6 : 4

• 2 : 4

• 2 : 6

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

Simplify this ratio into the simplest form.

24 : 10

• 12 : 5

• 5 : 12

• 6 : 5

• 6 : 10

Write this ratio in its simplest form

25 : 5

• 5 : 1

• 5 : 5

• 5 : 4

• 5 : 2

the simplest form of that ratio is ?

• 2 : 3

• 3 : 4

• 4 : 5

• 15 ; 20

The ratio of 12 apples to 8 bananas may be written as

• 8:12

• 2:3

• 3:2

• 16:24

A class of 30 students has 16 boys. What is the ratio of girls to boys?

• 16 : 30

• 30 : 16

• 24 : 16

• 14 : 16

Kennet and Joseph bought a painting for $120

Kennet paid $ 80 and Joseph paid $40

Write the ratio of the amount that Joseph paid to Kennet in the simplest form ?

• 80 : 40

• 40 : 80

• 20 : 40

• 1 : 2