Setting Up Proportions

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you find the unit rate from a given rate?

Back

Front

What does it mean to set up a proportion?

Back

Setting up a proportion involves creating an equation that shows two ratios are equal, often used to solve for an unknown.

Front

What is the unit rate if it costs $14.50 for 10 pens?

Back

Front

If Shawnda spent $259.20, which proportion represents her total budget if this is 80% of it?

Back

Front

True or False: When setting up a proportion, the labels of the quantities do not matter, only the numbers do.

Back

False. The labels matter to ensure the ratios are correctly set up.

Front

What is the proportion to find the new width of a picture enlarged to a height of 15 inches?

Back

Front

If Dedra's boat uses 5 gallons of gasoline in 4 hours, what is the proportion to find out how much it will use in 10 hours?

Back

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

How do you set up a proportion to solve for an unknown?

Back

You create an equation that equates two ratios, often using cross-multiplication to solve for the unknown.