Unit price and unit rates

Rates and Unit Rates

Monday/Tuesday Learning Target:

I can identify unit rates and how to calculate them from a rate.

Wednesday/Friday Learning Target:

I can learn how to find unit rates and equivalent rates.

What is a unit rate?

• used to compare quantities in which the second quantity is one

• The denominator in the fraction is ONE

• miles per hour

• earnings per hour

• cost per gallon

Multiple Choice

What is a unit rate? Choose the best answer!

• a improper fraction

• a word problem

• a rate where a quantity is one

• 5 to 3

Multiple Choice

Choose the unit rate

• 200 miles in 3 hours

• $5 for 1 pizza

• 10 popsicles for 5 students

• 80 miles for 2 gallons

When finding the unit rate:

Multiple Choice

What does the word per mean?

• to add

• to subtract

• to multiply

• to divide

Multiple Choice

How do you calculate points per game?

• points x game

• game x points

• game ÷ points

• points ÷ game

Calculating Unit Rate

• miles per hour

• words per minute

• miles per hour

• EXAMPLE:

• $40 for 5 pizzas. Find the price per pizza!

• $87 for 3 video games. Find the price per video game.

Multiple Choice

At Target you can get 4 shirts for $28. What is the unit price? Cost per shirt.

• $4 per shirt

• $7 per shirt

• $8 per shirt

• $5 per shirt

Multiple Choice

You can purchase 3 Kentucky Kingdom season passes for $150. What is the unit price. What is the price per season pass?

• $25 per season pass

• $50 per season pass

• $75 per season pass

• $60 per season pass

How to find the cheaper unit rate?

• Lots of items at the grocery store come in different sizes and cost different prices!

• To find the unit rate divide $ by ounces

• The 16 oz jar is .20 cents per ounce

• The 64 oz jar is .13 cents per ounce 

• Which jar is cheaper?

Multiple Choice

Which item is the CHEAPER buy?

• 1 box of noodles

• 2 boxes of noodles

How to find the more expensive unit rate?

• Lots of items at the grocery store come in different sizes and cost different prices!

• To find the unit rate divide $ by ounces

• The 16 oz shampoo is .39 cents per ounce

• The 13.5 oz shampoo is .30 cents per ounce

• Which bottle is more expensive?

Multiple Choice

Which item is the more EXPENSIVE buy?

• MAC's water

• ZAC's water