mental Math Percents

Front

What is 50% of 220?

Back

110

Front

What is 25% of 400?

Back

100

Front

What is 25% of 40?

Back

10

Front

What is 20% of 500?

Back

100

Front

What is 10% of 6000?

Back

600

Front

Define percent.

Back

A percent is a ratio expressed as a fraction of 100.

Front

How do you calculate 10% of a number?

Back

To find 10% of a number, divide the number by 10.

Front

How do you calculate 25% of a number?

Back

To find 25% of a number, divide the number by 4.

Front

How do you calculate 50% of a number?

Back

To find 50% of a number, divide the number by 2.

Front

What is the formula to find the percentage of a number?

Back

Percentage = (Part/Whole) x 100.