Intro to Ratios and Proportions

A word that describes equality or inequality of ratio.

• proportion

• ratio table 

• scaling up

A relationship between two quantities that can be expressed three different ways.

• rate

• ratio

• unit price

A table that shows equivalent ratios.

• unit rate table

• ratio table

A rate with the second number being one. Often has the word "per" in it.

• unit rate

• ratio

• proportion

Comparing one part to another part.

• part-to-part ratio

• part-to-whole ratio

• part-to-total ratio

Two ratios that are proportional.

• equivalent ratios

• equivalent units

To make equivalent ratios larger in size, or amount by multiplying.

• scaling up

• scaling down

Find the unit rate.
Carrie can type 800 words in 12 minutes. How many words can she type per minute? 

• 66 ^2_/3

• 66

• 66 ^1/₂

Caleb can drive 15 miles in 60 minutes. How many miles can he drive in 12 hours? (Hint. Set up a proportion to solve problem).

• 360

• 180

• 48

Xavier loves Pizzahut! He orders 3 pizzas for $27.99 How much did he pay per pizza?

• $9

• $9.33

• I have no clue