Rate Ratio Unit Rate

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

• 7 to 9
• 9 to 7

Your brother has a bag of marbles.  He has 8 green marbles, 3 blue marbles, 7 red marbles, and 2 yellow marbles.  What is the ratio of blue marbles to red marbles?

• 3 to 8
• 3 : 7
• 2 to 7
• 2 : 3

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

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

9 minutes to 5 miles

• Ratio
• Rate
• Unit Rate

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

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

Charles can type 675 words in 9 minutes. How many words can he type per minute?

• 75 words per minute

• 6075 words per minute

• 86 words per minute

• 65 minutes per word

A printer prints 28 photos in 8 minutes. How many minutes does it take to print 21 photos?

• 4 minutes

• 5 minutes

• 6 minutes

• 7 minutes