Proportions Exit ticket

Front

What is a proportion?

Back

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

Front

How do you solve for a variable in a proportion?

Back

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

Front

What is the cross-multiplication method?

Back

The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio to create an equation.

Front

If 3 pizzas feed 9 people, how many pizzas are needed for 27 people?

Back

9 pizzas are needed, as the ratio of pizzas to people remains constant.

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

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions state that two ratios are equal.

Front

How can proportions be used in real-life situations?

Back

Proportions can be used to solve problems involving scaling, such as recipes, maps, and conversions.

Front

What is the formula for finding the missing value in a proportion?

Back

If a/b = c/d, then the missing value can be found using the formula: d = (b * c) / a.

Front

What does it mean if two ratios are equivalent?

Back

If two ratios are equivalent, it means they represent the same relationship between quantities.