Percent Models

Front

What does percent mean?

Back

Percent means 'out of 100'.

Front

If a square is divided into two equal parts, what percent of the square is one part?

Back

50%.

Front

In a model where 30% is shaded green, what does this represent?

Back

30% represents the portion of the model that is shaded green.

Front

If a model shows 71% shaded, what does this indicate?

Back

71% indicates the portion of the model that is shaded.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What is the percent form of 30 out of 100?

Back

30%.

Front

How do you find the percent of a quantity?

Back

To find the percent of a quantity, multiply the quantity by the percent (as a decimal).

Front

What percent is represented by 3 out of 10?

Back

30%.

Front

If 50% of a class of 20 students are girls, how many girls are there?

Back

There are 10 girls.

Front

What is the formula to calculate percent change?

Back

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