Ratios, Unit Rates, and Rates

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

Tommy has a bag of LEGOS.  There are 6 yellow, 3 red, and 8 blue LEGOS.  What is the ratio in simplest form of red to yellow LEGOS?

• 1/2

• 6/3

• 2/1

• 3/6

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

There are 4 triangles, 12 squares, and 6 circles.  What is the ratio of triangles to squares? Simplify.

• 12 : 4

• 2 to 6

• 1 : 3

There are 10 dimes, 8 quarters, and 5 nickels?  What is the ratio of quarters to dimes?

• 10 to 8

• 8 : 10

• 4 : 5

• 5 to 4

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

• 7 to 9

• 9 to 7

You have 29 books on your shelf. You have read 18 of those books.
What is the ratio of books not read to all of the books on your shelf?

• 18 to 29

• 11 : 18

• 11 : 29

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

My father drove 231 miles with 7 gallons of gas.  What was his mileage (miles per gallon)?

• 35 miles per gallon

• 33 miles per gallon

• 37 miles per gallon