Modeling Percents

Front

What is a percent?

Back

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

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100.

Front

What does it mean if 25% of a grid is shaded?

Back

It means that 25 out of every 100 equal parts of the grid are shaded.

Front

How can you find the percent of a shaded area in a grid?

Back

Count the number of shaded squares, divide by the total number of squares, and multiply by 100.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numbers may be different.

Front

How do you make a fraction out of 100?

Back

To make a fraction out of 100, find an equivalent fraction that has a denominator of 100.

Front

If 15 out of 100 squares are shaded, what percent is that?

Back

15%.

Front

What percent is represented by the fraction 1/4?

Back

25%.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (as a decimal). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

What is the percent of 30 out of 60?

Back

50%.