Ratios

What is a ratio?

• a comparison between two values

• a difference between two values

• Math!

• something with rates

What is a Unit Rate?

• a rated unit

• idk

• the rate at which something occurs

• the rate of units

How do you find a unit rate?

• Divide one part of the ratio by the other

• multiply one part of the ratio by the other

• add one part of the ratio by the other

• subtract one part of ratio by the other

What does proportional mean?

• the same

• equal

• similar

• different

What is a proportional relationship when working with ratios?

• When the items in the question are the same.

• when the quantities or variables are exactly the same

• when comparing 2 or more ratios and the unit rates for each are the same.

What is the constant of proportionality?

• The rate at which we answer questions

• the rate at which the proportions occur

• any number that stays the same.

Four oranges at Juicy Deals grocery store costs $6. For the price of $15 you can buy 10 oranges. Is this proportional?

• Yes

• No

A six pack of soda is on sale for $2.46. What is the price per can?

• $0.41 per can

• $2.44 per can

• $2.46

• $0.50 per can

• 72

• 60

• 65

• 58

• Yes

• No

• Maybe?