Ratio, Rate and Unit Rate

When are ratios useful? Choose the best answer.

• When you want to subtract a number by another.

• When you want to multiply one number by another.

• When you want to compare a part to a whole.

• When you want to figure out the probability of a number.

Which ratio is equivalent to 3/4?

• 4/3

• 3.4

• 0.75

• 6/8

Find the unit rate per ounce of a bag of Fritos that costs $2.29 for 9 ounces.

• $0.25

• $20.61

• $1.00

• $2.29

Find the unit rate of one diaper if a box of 35 diapers costs $6.99.

• $244.65

• $1.00

• $6.99

• $0.20

If there are 20 apples in the fridge and 9 on the table, what is the ratio of apples in the fridge to apples on the table?

• 9/20

• 20/9

• 9.20

• 20.9

If there are 24 peaches on a tree and 4 on the ground, what is the ratio of peaches on the ground to peaches on the tree?

• 24.4

• 4.24

• 24/4

• 4/24

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

• The 12 pack of Coke

• The 6 pack of Coke

• Neither

• They are the same

Which ratio is written incorrectly?

• X : Y

• X and Y

• X/Y

• X to Y

There are three different types of ratios?

• True

• False

Which ratio is equivalent to 3:4

• 12:14

• 6:8

• 4:3

• 20:15