Proportion Word Problems

Front

What is a proportion?

Back

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

Front

How do you set up a proportion to solve a word problem?

Back

Identify the two quantities that are being compared, set them as a ratio, and create an equation to solve for the unknown.

Front

If 25 liters of jam are made in 5 days, how much jam is made in 1 day?

Back

5 liters of jam.

Front

If Sasha jars 25 liters of jam in 5 days, how much jam will she jar in 7 days?

Back

35 liters of jam.

Front

What is the unit rate?

Back

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

Front

If Farah learned 15 recipes in 3 weeks, how many recipes does she learn per week?

Back

5 recipes per week.

Front

How do you find the total number of recipes learned after a certain number of weeks?

Back

Multiply the number of recipes learned per week by the number of weeks.

Front

If Keith bought 4 shirts for $36, what is the cost per shirt?

Back

$9 per shirt.

Front

How do you calculate the cost for a different number of shirts based on the cost per shirt?

Back

Multiply the cost per shirt by the number of shirts.

Front

What is the relationship between the ingredients in a recipe?

Back

The relationship is a ratio that maintains the proportions of the ingredients.