Ratios, Unit Rates, and Rates

If the unit rate for chocolate chip cookies is $0.25 per cookie, how much for 8 cookies?

• $4.00

• $20.00

• $2.00

• $3.25

Find the unit rate if it is $12.60 for 3 boxes

• $4 per box

• $4.20 per box

• $ 4.10 per box

• $4.25 per box

How do you find the unit rate?

• Add

• Subtract

• Multiply

• Divide

Mike walks 15 miles in 4 hours. What is his unit rate?

• 15

• 4

• 3.75

• 0.27

Which of these is a unit rate?

• giant donut per 2 kids

• busses : 110 kids

• 12 pizzas / 2 classes

• 55 kids per 1 bus

A parent's age and child's age is a 5:2 ratio, how old is the child if the parent is 50?

• 20

• 30

• 40

• 50

Emily bought 32 apples and 21 carrots. What is the ratio of the number of carrots to the total?

• 32 to 21

• 53 to 21

• 21 to 32

• 21 to 53

What is the missing value

• 22

• 24

• 30

• 60

The table compares green to red marbles. If there are 20 green, then how many reds?

• 60

• 20

• 40

• 20

Express 12:30 in simplest form

• 2:5

• 6:10

• 6:5

• 5:2