7th Grade Milestone Review - Solving Proportions

Front

What is a proportion?

Back

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

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then solve for the unknown variable.

Front

What is the ratio of ice cream cones to brownies if there are 5 cones for every 3 brownies?

Back

The ratio is 5:3.

Front

If 24 brownies are sold, how many ice cream cones are sold if the ratio is 5:3?

Back

40 ice cream cones.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equivalent.

Front

In a recipe, if 1.5 cups of milk is used for 3 cups of flour, what is the ratio of milk to flour?

Back

The ratio is 1.5:3 or 1:2.

Front

If Seth used 5 cups of flour instead of 3, how much milk should he use to maintain the proportion?

Back

2.5 cups of milk.

Front

What does it mean for two ratios to be proportional?

Back

It means that the two ratios represent the same relationship between quantities.

Front

What is the simplest form of the ratio of bones to frisbees if there are 10 frisbees and 8 bones?

Back

The simplest form is 4:5.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.