Proportion Problem Solving Flashcard

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you find the student-to-teacher ratio?

Back

To find the student-to-teacher ratio, divide the number of students by the number of teachers.

Front

If a school has 120 students and 8 teachers, what is the student-to-teacher ratio?

Back

15:1

Front

What does a scale on a map represent?

Back

A scale on a map represents the relationship between a distance on the map and the actual distance it represents in real life.

Front

If a map has a scale of 1 inch to 50 miles, how far apart are two cities that are 3 inches apart on the map?

Back

150 miles

Front

What is 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

If 5 pencils cost $2.50, what is the cost of one pencil?

Back

$0.50

Front

How do you calculate the cost of multiple items based on a unit price?

Back

Multiply the unit price by the number of items.

Front

If 5 pencils cost $2.50, how much do 8 pencils cost?

Back

$4.00

Front

What is a proportion?

Back

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