Finding the Percent of 200

1.2.1 Finding the Percent of 200

1.2.1 • Finding the Percent of 200

Warm Up

You will be asked to evaluate the percentage of a number mentally. Sometimes, a visual is helpful to do this. If needed, use the GeoGebra activity to help you determine the requested values. Then, look for a pattern that can be used to describe how to find the percentage of any number.

1.

What is 25% of 200?

50

2.

What is 12% of 200?

24

3.

What is 8% of 200?

16

4.

How would you determine pp% of 200200?

Compare your answer:

  • 2p2p
  • p100·200p100·200
  • Change the percentage to a decimal and multiply it by 200.
  • Since percent means “per hundred” and there are two hundreds, the percentage is multiplied by two.