Unit 3: Unit Rates and Percentages

Front

What is the definition of speed?

Back

Speed is an attribute that tells you how fast or slow an object is moving, calculated as distance divided by time.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something.

Front

If Lucy has a ratio of 6:2 for chocolate chip cookies to sugar cookies and makes 96 sugar cookies, how many total cookies does she need?

Back

384 total cookies.

Front

How do you calculate what percent one number is of another?

Back

To find what percent A is of B, divide A by B and multiply by 100.

Front

What is 140 as a percent of 40?

Back

350%.

Front

How many feet are in 1,073 meters if 1 inch is about 2.54 centimeters?

Back

About 3,520 feet.

Front

What does a 20% discount mean?

Back

A 20% discount means you save 20 cents for every dollar spent.

Front

If Connor saves $26 on a 20% discount, what was the original price of the item?

Back

$130.

Front

What is the formula for calculating unit rates?

Back

Unit Rate = Total Quantity / Number of Units.

Front

How do you convert meters to feet?

Back

Multiply the number of meters by approximately 3.281 to get feet.