Percent Word Problems

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 the total cost including sales tax?

Back

To calculate the total cost including sales tax, multiply the original price by the sales tax rate (as a decimal) and then add that amount to the original price. For example, if a pair of sandals costs $10.50 and the sales tax is 7%, the total cost is $10.50 + ($10.50 * 0.07) = $11.24.

Tags

CCSS.6.RP.A.3D

Front

What does a discount mean?

Back

A discount is a reduction in the original price of a product or service. It is usually expressed as a percentage of the original price.

Tags

CCSS.6.RP.A.3C

Front

If an item is 20% off, what percentage do you pay?

Back

If an item is 20% off, you pay 80% of the original price.

Tags

CCSS.6.RP.A.3C

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 the result by 100. For example, to convert 3/8 to a percentage: (3 ÷ 8) * 100 = 37.5%.

Front

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

Back

The formula to find the percentage of a number is: (part/whole) * 100. For example, to find what percent 29 teachers are of 42 teachers: (29/42) * 100 = 69%.

Front

How do you express a decimal as a percentage?

Back

To express a decimal as a percentage, multiply the decimal by 100 and add the percent symbol. For example, 0.375 as a percentage is 0.375 * 100 = 37.5%.

Front

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

Back

Fractions, decimals, and percentages are different ways to represent the same value. For example, 1/2 is equivalent to 0.5 and 50%.

Front

What is the sales price if an item originally costs $50 and is on sale for 30% off?

Back

To find the sales price, calculate the discount: $50 * 0.30 = $15. Then subtract the discount from the original price: $50 - $15 = $35.

Tags

CCSS.6.RP.A.3C

Front

How do you find the original price if you know the sales price and the discount percentage?

Back

To find the original price, divide the sales price by (1 - discount rate). For example, if the sales price is $40 and the discount is 20%, the original price is $40 / (1 - 0.20) = $50.

Tags

CCSS.6.RP.A.3C