Ratios Review

A ratio is...

• a relationship between two quantities

• a relationship between a mom and dad

• a decimal written as a fraction

• all of thee above

A ratio can be written how many ways?

• 1

• 2

• 3

• 4

Travis can ride his bike 3 miles in 20 minutes. At this rate, how long will it take to ride 9 miles? 

• 60 minutes

• 50 minutes

• 28 minutes

• 15 minutes

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4

• 30

• 70

• 40

If 30 kids in the class like grape juice, how many kids are there total?  Use the tape diagrams to answer.

• 4

• 30

• 70

• 40

If you have 3 pennies, 4 nickels, and 5 dimes which represents the following ratio: nickels to total number of coins?

• 4:5

• 3:12

• 4:12

• 5:12

There are 20 teachers with blonde hair and 12 teachers with brown hair. Write a ratio and simplify it if possible.

• 20:12

• 12:20

• 5:3

• 3:5

Which numbers come next on the double number line?

• Sugar: 12

  Flour: 8

• Sugar: 12

  Flour: 18

• Sugar: 8

  Flour: 12

• I have no idea!

How long would it take 12 people to go down the slide?

• 1 min

• 2 min

• 3 min

• undeterminable

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