Model Ratios
Writing Equivalent Ratios
Are the ratios equivalent?
Solve Equivalent Ratios
100
Write a 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
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
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
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
500
Write a ratio of Blue Circles to all White Shapes:
4/8, 4:8, 4 to 8
500
Write 3 more Equivalent Ratios:
24/36
12/18, 6/9, 2/3, 8/12, 4/6,
500
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
8/32 = 56/224
1792 = 1792
Yes!
500
Solve for x to make the Ratios Equivalent:
18/x = 54/90
x = 30