Percent Models

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 '%'. For example, 50% means 50 out of 100.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What does it mean to find the percent left after spending?

Back

Finding the percent left after spending means subtracting the total percentage spent from 100%. For example, if you spend 30%, you have 70% left.

Front

If you spend 50% of your allowance, what percent is left?

Back

50% is left.

Front

What is 25% of a whole?

Back

25% of a whole is one quarter of that whole. For example, 25% of 100 is 25.

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. For example, 1/4 = 0.25 x 100 = 25%.

Front

What is the formula to calculate a tip based on a percentage?

Back

To calculate a tip, multiply the total bill amount by the tip percentage (in decimal form). For example, for a $50 bill with a 20% tip, calculate 50 x 0.20 = $10.

Front

What is 80% of 90?

Back

80% of 90 is 72.

Front

If a shape is divided into 4 equal parts and 1 part is shaded, what percent is shaded?

Back

25% is shaded.

Front

What does it mean if a shape is 50% shaded?

Back

If a shape is 50% shaded, it means half of the shape is covered or filled.