Ratios
Equivalent Ratios
Ratio Tables
Rates and Unit Rates
100

What are the three ways to write a ratio?

#:#   # to #   #/#

100

Determine whether the following ratios are equivalent.

2:3  and 10:16

No

It should be 

2:3 = 10:15

100

What is this math tool called?


Ratio Table

100

UNIT RATES MEANS YOU MUST....?

What operation will help you find the unit rate?

Divide

Division

200

What is the ratio of green circles to red circles? Write it one way.

4:7 or 4 to 7 or 4/7

200

Determine whether the following ratios are equivalent.

3:7 and 18:42

Yes!  Both are multiplied by 6

200

Ratio Tables help make what type of ratios?

Equivalent Ratios

200

$18 for 6 pounds. How much for 1lb.

$3 for 1 lb.

300

What is the ratio of blue stars to red circles? 

4: 7 or 4 to 7 or 4/7

300

Decide whether the rates are equivalent.

50 points for every 5 games

10 points for every 1 games

Yes!  

50:5 = 10:1

300

Complete the Table.  What is the final ratio of Toys to Video Games?

10:40

300

56 stunts in 7 movies. How many stunts in 1 movie?

8 stunts in 1 movie

400

What is the ratio of green circles to blue stars? Write your answer one way in simplest form.

4:4 ---Simplified--> 1:1

400

You earn $15 dollars walking 1 dog.  

How much money do you earn walking 5 dogs?

$75

400

Complete the Table.  What is the second equivalent ratio of Tacos to Burritos?

10:30

400

Are these equivalent rates? 

$15 for 3 gallons of milk

 $20 for 5 gallons of milk.

Find the unit rates and determine.

NO.

15/3 = $5 PER GALLON

20/5 = $4 PER GALLON

500

What is the ratio of circles to all shapes? 

11:15 or  11 to 15 or 11/15

500

How can you make an equivalent ratio?

Multiply or divide by the same number on top and bottom.

500
  • A store sells 2 printers for every 5 computers.  Last month the store sells 15 computers.  How many printers did they sell?

The store sells 6 computers if they sold 15 computers.

500

Determine the better buy.

$12.50 for 5 sodas or $11.00 for 4 sodas 

$12.50 for 5 sodas is $2.50 per soda

$11.00 for 4 sodas is $2.75 per soda


$12.50 for 5 sodas is the better buy