Percents 7th grade - Fredericks

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 the total cost including sales tax?

Back

To calculate total cost, multiply the original price by the sales tax rate (as a decimal), then add that amount to the original price.

Tags

CCSS.6.RP.A.3D

Front

What is a discount?

Back

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

Tags

CCSS.6.RP.A.3C

Front

How do you find the sale price after a discount?

Back

To find the sale price, subtract the discount amount from the original price. The discount amount is calculated by multiplying the original price by the discount rate (as a decimal).

Tags

CCSS.6.RP.A.3C

Front

What is percent decrease?

Back

Percent decrease measures how much a quantity has decreased relative to its original amount, expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent decrease?

Back

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

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find what percent one number is of another?

Back

To find what percent one number (part) is of another (whole), use the formula: (Part / Whole) x 100%.

Front

If an item costs $50 and is on sale for $30, what is the percent decrease?

Back

Percent decrease = (50 - 30) / 50 x 100% = 40%.

Tags

CCSS.6.RP.A.3C

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.

Front

What is the total cost of an item priced at $200 with a 10% sales tax?

Back

Total cost = $200 + ($200 x 0.10) = $220.

Tags

CCSS.6.RP.A.3C