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 recipe requires 4 cups of flour for 36 cookies, how much flour is needed for 48 cookies?

Back

5.33 cups of flour.

Front

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

Back

If one quantity increases, the other quantity also increases at a constant rate.

Front

How do you find the distance on a map if 1 inch represents 10 miles and the treasure is 3.5 inches away?

Back

Distance = 3.5 inches * 10 miles/inch = 35 miles.

Front

If a train travels 300 miles in 5 hours, what is its speed?

Back

Speed = Distance / Time = 300 miles / 5 hours = 60 miles per hour.

Front

How far can a train travel in 7 hours if it travels 300 miles in 5 hours?

Back

420 miles.

Front

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

Back

Speed = 240 miles / 4 hours = 60 miles per hour.