Ratio and Proportional Reasoning

Is the table proportional?

• Yes

• No

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Find the unit price for each offer to determine which is the better buy –
Store A: 6 x-box games for $25
Store B: 8 x-box games for $33

• Store A

• Store B

Mrs Estrada has 176 slices of bread in 8 loaves. If there are the same number of slices in each loaf, how many slices of bread are in 4 loaves?

• 110

• 88

• 173

• 100

Mr Palacios delivers newspapers. He can deliver 60 papers in 3/4 of an hour. At this rate, how many newspapers will Mr Palacios deliver in 2 1/4 hours?

• 180 paperbooks

• 120 newspapers

• 180 newspapers

• 240 newspapers

There are 10 chocolate chip muffins, 12 blueberry muffins, 2 pumpkin muffins, and 8 corn muffins on a tray. Write the ratio of pumpkin to chocolate chip muffins in simplest form.

• 10 to 12

• 2 to 8

• 2 to 10

• 1 to 5

On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?

• 175

• 185

• 200

• 220

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

What is the ratio to the picture shown, triangles to squares?

• 2:6

• 5:6

• 3:4

• 4:3

If mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?

• 7

• 9

• 10

• 2