Percents 7th grade - Higgins

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

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 40% of 230, calculate 230 x 0.40 = 92.

Front

What is a discount?

Back

A discount is a reduction in the regular price of a product or service, often expressed as a percentage.

Front

How do you find the sale price after a discount?

Back

To find the sale price after a discount, subtract the discount amount from the original price. Sale Price = Original Price - Discount Amount.

Front

What is the formula for percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) x 100.

Front

How do you calculate the percent decrease?

Back

Percent Decrease = ((Original Price - Sale Price) / Original Price) x 100.

Front

What is the relationship between fractions and percents?

Back

Percents can be converted to fractions by placing the percent over 100 and simplifying. For example, 25% = 25/100 = 1/4.

Front

What is the percent of a number?

Back

To find what percent one number is of another, use the formula: (Part/Whole) x 100. For example, to find what percent 20 is of 50, calculate (20/50) x 100 = 40%.

Front

If a pair of boots costs $94.99 and is 25% off, what is the discount amount?

Back

The discount amount is $23.75, calculated as $94.99 x 0.25.

Front

What is the sale price of an item that originally costs $65.50 and is on sale for $52.40?

Back

The sale price is $52.40.