Ratios, Rates, & Unit Rates

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9
• 9 to 7

My mother purchased 8 Pepsi products at Bi-Lo for $14.00.  What is the price per product?

• $2.00 per product
• $1.50 per product
• $1.75 per product

Which rate is equivalent to $9 per hour?

• $27 in 3 hours
• $28 in 4 hours
• $33 in 3 hours

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

• 8 pack
• 12 pack

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

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

What mathematical operation do ratios involve?

• addition
• subtraction
• multiplication
• division

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

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

Mrs. Edgar bought an eight pack of bottled water for $4.00.  What was the unit price for the water?

• $32.00
• $0.50
• $3.20
• $5.00