Ratio and Proportions Simple

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

The Williams family bought four concert tickets for $252.  What was the price per ticket?

• $60.00

• $63.00

• $6.30

• $62.00

Which of the following shows the least expensive unit price? 

• 3 oranges for $1.02

• 4 oranges for $1.52 

• 5 oranges for $1.75

• 6 oranges for $2.46

Does the table represent a proportional relationship?

• Yes.

• No.

Courtney’s summer camp has 2 canoes for every 5 campers. If there are 70 campers in all, which proportion can be used to calculate how many canoes there are at the camp?

• 5/2 = 70/x

• 2/5 = 70/x

• 2/x = 70/5

• 2/70 = 5/x

A 6-ounce package of fruit snacks contains 45 pieces.  How many pieces would you expect in a 10-ounce package?

• 25 pieces

• 35 pieces

• 75 pieces

• 70 pieces

Tony bought 4 shirts for $36. At this rate, what would his cost be for 7 shirts?

• $63.00

• $53.00

• $73.00

• $43.00

Autumn used 8 centimeters of tape to wrap 4 presents. How many presents did she wrap if she used 30 centimeters of tape?

• 13 presents

• 16 presents

• 15 presents

• 14 presents

Which is the better deal?  5 candy bars for $4.35 or 7 candy bars for $6.23?

• 5 candy bars $4.35

• 7 candy bars for $6.23

• they are equal