Unit rate problems

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, like miles per hour or cost per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

To find the unit rate, divide the total cost by the quantity. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a store sees 120 customers in 8 hours, how do you find the number of customers per hour?

Back

Divide the total number of customers by the total hours: 120 customers ÷ 8 hours = 15 customers per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate if you can buy 3 apples for $1.20?

Back

To find the unit rate, divide the total cost by the number of apples: $1.20 ÷ 3 apples = $0.40 per apple.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the total cost of 10 apples if you know the unit rate?

Back

Multiply the unit rate by the number of apples: If the unit rate is $0.40 per apple, then 10 apples cost 10 × $0.40 = $4.00.

Tags

CCSS.6.RP.A.3B

Front

If Justin can type 408 words in 4 minutes, how do you find his typing speed in words per minute?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find out how many words Justin can type in 7 minutes?

Back

Multiply his typing speed by the number of minutes: 102 words/minute × 7 minutes = 714 words.

Tags

CCSS.6.RP.A.3B

Front

What is the price per gallon if you paid $15.00 for 6 gallons of gasoline?

Back

To find the price per gallon, divide the total cost by the number of gallons: $15.00 ÷ 6 gallons = $2.50 per gallon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the importance of finding unit rates in real-life situations?

Back

Finding unit rates helps compare prices, speeds, and other quantities, making it easier to make informed decisions.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a ratio?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2