Rate Ratios and Unit Rate

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

Which of the following expresses a ratio?

• 2/3

• two-thirds

• 0.667

• 2.3

9 minutes to 5 miles

• Ratio

• Rate

• Unit Rate

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

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1

• 1/6

• 18/3

• 3/18

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate

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

If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players?

• to 2

• to 3

• to 1

• to 1