Ratios Review

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

What is an equivalent ratio to 3/4?

• 1/4
• 4/5
• 12/16
• 14/18

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

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4
• 5:11
• 2:5
• 6:5

Which represents the relationship of oranges to fruit?

• 2:6
• 2:4
• 4:6
• 4:2

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2
• 3 to 5
• 5 to 10
• 5 to 3

The ratio of boys to girls at a movie is 8:11.  If there are 44 girls, how many boys are at the movie?

• 60
• 32
• 40
• 55

The following ratios are in its simplest form EXCEPT ________.

• 1 : 3

• 2 : 3

• 4 : 5

• 8 : 10

• What are the methods we can use to express a ratio in its simplest form?

• Applying Divisibility Rules

• Finding the GCF (Greatest Common Factor)

• Finding the GCF (Greatest Common Factor) and

  Applying Divisibility Rules

• Division