Proportion Word Problem practice

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A

Front

How do you set up a proportion?

Back

To set up a proportion, you can use the formula a/b = c/d, where a and b are one ratio, and c and d are another ratio.

Tags

CCSS.7.RP.A.2C

Front

What does the scale 1 inch : 10 miles mean?

Back

It means that every 1 inch on the map represents 10 miles in real life.

Tags

CCSS.7.RP.A.2C

Front

If a map has a scale of 1 cm : 13 km, how do you find the distance on the map?

Back

To find the distance on the map, divide the real distance by the scale factor.

Tags

CCSS.7.RP.A.2C

Front

What is the real-life distance if a treasure is 3.5 inches away on a map with a scale of 1 inch : 10 miles?

Back

35 miles.

Tags

CCSS.6.RP.A.3B

Front

If Shane can bake 120 dozen cookies in 5 days, how do you find out how many days it takes to bake 800 dozen cookies?

Back

Set up a proportion: 120/5 = 800/x, then solve for x.

Tags

CCSS.7.RP.A.3

Front

What is the distance between Fairview and Rockville if they are 104 km apart on a map with a scale of 1 cm : 13 km?

Back

8 cm.

Front

How do you convert centimeters on a map to kilometers in real life?

Back

Multiply the number of centimeters by the scale factor to find the real-life distance.

Front

If 1 cm represents 25 kilometers, how many kilometers does 7 cm represent?

Back

175 kilometers.

Tags

CCSS.6.RP.A.3B

Front

What is the scale of a model giraffe if 1 inch represents 3 feet?

Back

The scale is 1 in : 3 ft.

Tags

CCSS.7.RP.A.2C