Model Ratios
Writing Equivalent Ratios
Are the ratios equivalent?
Solve Equivalent Ratios
What would Aiden Think?
100
Write a ratio of yellow to red circles:
3/4, 3:4, 3 to 4
100
Write 3 more Equivalent Ratios:
1/4
2/8, 3/12, 4/16
100
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
2/4 = 3/5
10 = 12
No!
100
Solve for x to make the Ratios Equivalent:
x/5 = 8/10
x = 4
100
Which is the better buy? Name the store and the amount per cookie at the store with the better buy.
Walmart cookies $5.99 for 15 or Fry's cookies $3.49 for 12?
Fry's cookies are $0.29 per cookie
200
Write a ratio of yellow to red circles:
5/3, 5:3, 5 to 3
200
Write 3 more Equivalent Ratios:
2/9
4/18, 6/27, 8/36
200
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
5/10 = 3/6
30 = 30
Yes!
200
Solve for x to make the Ratios Equivalent:
3/9 = 9/x
x = 27
200
Which is the better buy? Name the store and the amount per oz with the better buy.
Swig soda $2.55 for 16 oz or Sodalicious soda for $3.25 for 18 oz?
Swig soda for $0.16 per oz
300
Write a ratio of red to blue circles:
5/6, 5:6, 5 to 6
300
Write 3 more Equivalent Ratios:
9/13
18/26, 27/39, 36/52
300
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
8/10 = 16/18
144 = 160
No!
300
Solve for x to make the Ratios Equivalent:
7/14 = x/42
x = 21
300
Which is the better buy? Name the Pizza place and the amount per inch with the better buy.
18 inch pizza at Costco for $10 or 14 inch pizza at Little Caesars for $6.99?
Little Caesars at $0.50 per inch
400
Write a ratio of squares to diamonds:
15:20, 15:20, 15 to 20
400
Write 3 more Equivalent Ratios:
12/16
24/32, 36/48, 48/64
400
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
13/14 = 39/42
546 = 546
Yes!
400
Solve for x to make the Ratios Equivalent:
2/16 = x/80
x = 10
400
Which is the better buy? Name the store and the amount per lb with the better buy.
Egg's at Costco for $15 for 60 eggs or 12 eggs at Safeway for $3.50?
Costco is cheaper at $0.25 per egg
500
Write a ratio of Blue Circles to all White Shapes:
4/8, 4:8, 4 to 8
500
Will Aiden and Diego win this game?
No
500
There were 7 burritos in the lunch bag. Diego ate two.
How many were left?
There should have been 5
500
What do you have to do to get these 500 points?
Dance an Irish jig
500
Which is the better buy? Name the ice cream place and the amount per oz with the better buy.
18 oz Blizzard at DQ for $9.50 or 14 oz Hot Fudge Sundae at McDonald's for $5.99?
McDonald's Hot Fudge Sundae is $0.43 per oz