Percent of a Number

Front

What is the formula to calculate the percentage of a number?

Back

To calculate the percentage of a number, use the formula: (part/whole) x 100.

Front

How do you convert a fraction to a percentage?

Back

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

Front

What does it mean to find a percentage of a number?

Back

Finding a percentage of a number means calculating how much that percentage represents in terms of the whole number.

Front

If you have a number and want to find 25% of it, what is the mathematical operation you perform?

Back

To find 25% of a number, multiply the number by 0.25.

Front

How do you calculate a discount on an item?

Back

To calculate a discount, multiply the original price by the discount percentage (as a decimal) and subtract that amount from the original price.

Front

What is 40% off of a $50 item?

Back

To find 40% off of $50, calculate 0.40 x 50 = $20. The sale price is $50 - $20 = $30.

Front

How do you find 6% of a budget amount?

Back

To find 6% of a budget amount, multiply the budget by 0.06.

Front

If a zoo has 130 exhibits and 30% contain birds, how do you find the number of exhibits with birds?

Back

To find the number of exhibits with birds, multiply 130 by 0.30.

Front

What is the relationship between percentages, fractions, and decimals?

Back

Percentages, fractions, and decimals are different ways to represent the same value. A percentage is a fraction out of 100, a decimal is a fraction expressed in base 10.

Front

How do you express 60% as a fraction?

Back

60% can be expressed as the fraction 60/100, which simplifies to 3/5.