Rates 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:

• pay attention to units

• when dealing with money, money always comes first or as the numerator

• money  $\div$   ounces = money per ounce 

• the word per means to divide 

• miles per gallon = miles  $\div$  gallons 

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

STOP HERE FOR TODAY!

All students need to login to IXL. We are going to practice J.5! It has been recommended for you! We will practice together before you work on your own!

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

STOP HERE FOR TODAY!

All students need to login to IXL. We are going to practice J.5! It has been recommended for you! We will practice together before you work on your own!