Unit Rate

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, such as miles per hour or dollars per item.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if you have 60 miles in 3 hours, the unit rate is 60 miles ÷ 3 hours = 20 miles per hour.

Front

What is the unit rate of $20.40 earned in 3 hours?

Back

The unit rate is $6.80 per hour.

Front

If a store sells 6 books for $22, what is the unit rate per book?

Back

The unit rate is approximately $3.67 per book.

Front

How do you find the cost per item when given a total cost and quantity?

Back

Divide the total cost by the number of items. For example, if 9 concert tickets cost $279, the cost per ticket is $279 ÷ 9 = $31.

Front

What is the unit rate of 120 customers in 6 hours?

Back

The unit rate is 20 customers per hour.

Front

If Antonia types 408 words in 4 minutes, how do you find her typing speed per minute?

Back

Divide the total words by the total minutes: 408 words ÷ 4 minutes = 102 words per minute.

Front

What is the significance of rounding in unit rates?

Back

Rounding helps simplify numbers for easier interpretation and comparison, especially when dealing with currency or measurements.

Front

How can unit rates be used in real-life situations?

Back

Unit rates can help compare prices, determine speeds, and analyze efficiency in various contexts, such as shopping, travel, and work.

Front

What is the formula for calculating unit rate?

Back

Unit Rate = Total Quantity / Number of Units.