Rate / Unit Rate

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a single unit. For example, if you can buy 36 cookies for $4, the unit rate is 9 cookies per dollar.

Front

How do you calculate the unit rate from a total quantity and total cost?

Back

To calculate the unit rate, divide the total quantity by the total cost. For example, if you have 36 cookies for $4, the unit rate is 36 cookies ÷ 4 dollars = 9 cookies per dollar.

Front

If Kiontre reads 100 pages in 5 days, how many pages does he read in 1 day?

Back

20 pages per day.

Front

If there are 45 seats in 9 rows, how many seats are there in 1 row?

Back

5 seats per row.

Front

If Analissa puts 55 seeds into 11 pots, how many seeds does she put in 1 pot?

Back

5 seeds per pot.

Front

What is the formula to find the cost per item?

Back

Cost per item = Total cost ÷ Number of items.

Front

If $279 is spent on 9 concert tickets, what is the cost per ticket?

Back

$31 per ticket.

Front

What is the relationship between rates and unit rates?

Back

A rate is a ratio that compares two quantities with different units, while a unit rate is a specific type of rate that compares a quantity to one unit of another quantity.

Front

How can you express a unit rate as a fraction?

Back

A unit rate can be expressed as a fraction where the numerator is the quantity and the denominator is the total cost or total number of items. For example, 9 cookies per dollar can be written as 9/1.

Front

Why is understanding unit rates important in real life?

Back

Understanding unit rates helps in making informed decisions, such as comparing prices, understanding speed, and evaluating efficiency.