Unit Rates

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 'x per 1 unit'.

Front

How do you calculate a unit rate from a total quantity?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if you have 44 stamps on 4 sheets, divide 44 by 4 to get 11 stamps per sheet.

Front

What is the unit rate of 408 words typed in 4 minutes?

Back

The unit rate is 102 words per minute, calculated by dividing 408 by 4.

Front

If Juju bought 5 books for $7, how do you find the cost per book?

Back

To find the cost per book, divide the total cost by the number of books: $7 ÷ 5 = $1.40 per book.

Front

What does the term 'ratio' mean in mathematics?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How can you express the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio can be expressed as 4 to 3 or as 4:3.

Front

What is the significance of unit rates in real-life applications?

Back

Unit rates help compare different quantities in a standardized way, making it easier to understand costs, speeds, and other measurements.

Front

How do you convert a ratio into a unit rate?

Back

To convert a ratio into a unit rate, divide both parts of the ratio by the second part. For example, for a ratio of 4:3, divide both by 3 to get 1.33:1.

Front

What is the unit rate for a speed of 30 miles in 1 hour?

Back

The unit rate is 30 miles per hour, indicating the distance traveled in one hour.

Front

Why is it important to understand unit rates when shopping?

Back

Understanding unit rates helps consumers compare prices of different products to determine the best value.