Percents Warm-Up

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add the percent symbol (%).

Front

What is 50% of a number?

Back

50% of a number is half of that number.

Front

How do you find 25% of a number?

Back

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

Front

What is 10% of 200?

Back

10% of 200 is 20.

Front

How do you calculate the percent of a part compared to a whole?

Back

To calculate the percent of a part compared to a whole, divide the part by the whole and multiply by 100.

Front

What is 75% of 60?

Back

75% of 60 is 45.

Front

How do you express 0.75 as a percent?

Back

0.75 as a percent is 75%.

Front

What is the formula to calculate percent change?

Back

Percent change = ((New Value - Old Value) / Old Value) x 100.

Front

If 30 out of 120 students passed a test, what percent passed?

Back

25% of the students passed the test.