Model Ratios
Writing Equivalent Ratios
Are the ratios equivalent?
Solve for Unit Rates
100

Write the ratio of red to yellow circles:


7/8, 7:8, 7 to 8

100

Write 3 more Equivalent Ratios: 1:4


Possible answers:

2:8, 3:12, 4:16, 5:20

100

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.    2/4 = 4/12

2 * 2/ 4*3

No

100

What is the unit rate of days to  houses: John builds 4 houses in 40 days

40/4 = 10 days for 1 house

200

Write a ratio of yellow to red circles:


5/3, 5:3, 5 to 3

200

Write 3 more Equivalent Ratios:  2/9

Possible answers:

4/18, 6/27, 8/72

200

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.   5/10 = 25/50

Both times 5

Yes

200

Unit rate:  12 eggs in a carton cost $24.00.  How much does each egg cost? (money is always on top of fraction)

24.00 / 12 = $2

300

Write a ratio of red to all circles:


5/11, 5:11, 5 to 11

300

Write 3 more Equivalent Ratios:   9 to 12

Possible answers:

3 to 4, 18 to 24, 27 to 36

300

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.    8/10 = 16/18

8 * 2/ 10 * nothing to get 18

No

300

Unit Rate:  A 6 pack of soda costs $9.00.  What is the cost per soda?

9.00 / 6 = $1.50 

400

Write a ratio of squares to diamonds (simplify):


3/4, 3:4, 3 to 4

400

Write 3 more Equivalent Ratios:    12/16

Possible answers:

2/8, 3/4, 24/32

400

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.    13/14 = 39/42


both times 3

Yes!

400

Unit Rate:  a 4-pack of Deluxe Mac-N-Cheese cost $14.00  What is the cost per box?

14.00 / 4 = $3.50

500

Write a ratio of Blue Circles to all Shapes (simplify):


2/7, 2:7, 2 to 7

500

Write 3 more Equivalent Ratios:  20/30

Possible answers:

2/3, 4/6, 40/60

500

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.   8/32 = 56/224

Both times 7

Yes

500

Unit Rate:  10 bananas for $0.65 (round your answer to the nearest cent)

0.65 / 10 = $0.065= $0.07