Percent Bar Practice

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 '%'. For example, 25% means 25 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 25% of 200, calculate 200 x 0.25 = 50.

Front

What does it mean if something is 50% of a total?

Back

If something is 50% of a total, it means it is half of that total amount.

Front

If 3 teaspoons of sugar is 25% of the total, how do you find the total amount?

Back

To find the total amount, divide the part (3 teaspoons) by the percentage (0.25). Total = 3 / 0.25 = 12 teaspoons.

Front

What is 75% of 24?

Back

75% of 24 is calculated as 24 x 0.75 = 18.

Front

How do you find the missing amount if you know a part and the percentage?

Back

To find the missing amount, divide the part by the percentage (in decimal form) to find the total.

Front

What is the formula to find a percentage increase?

Back

The formula for percentage increase is: ((New Value - Original Value) / Original Value) x 100.

Front

What is the formula to find a percentage decrease?

Back

The formula for percentage decrease is: ((Original Value - New Value) / Original Value) x 100.

Front

If Juan lost half of his markers and that is 8 markers, how many did he have originally?

Back

If 8 markers is half, then he originally had 8 x 2 = 16 markers.

Front

What is 60% of 50?

Back

60% of 50 is calculated as 50 x 0.60 = 30.