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 ratios involved in the problem and set them equal to each other.

Front

If 2 cups of flour make 12 cookies, how many cups are needed for 24 cookies?

Back

4 cups of flour.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a car travels 240 miles in 4 hours, what is its speed in miles per hour?

Back

60 miles per hour.

Front

How do you find the distance traveled if you know the speed and time?

Back

Distance = Speed x Time.

Front

If a recipe calls for 3 cups of sugar for 24 cookies, how much sugar is needed for 36 cookies?

Back

4.5 cups of sugar.

Front

What does it mean if two quantities are in direct proportion?

Back

If one quantity increases, the other quantity increases at the same rate.

Front

If 1 inch on a map represents 10 miles, how far is 3.5 inches in real life?

Back

35 miles.

Front

How do you convert a word problem into a mathematical equation?

Back

Identify the quantities involved and their relationships, then express them using variables and numbers.