Model Ratios
Writing Equivalent Ratios
Are the ratios equivalent?
Solve Equivalent Ratios
Word Problems
100
Write a ratio of yellow to red circles:
3:4
100
Write 1 more Equivalent Ratio:
3:12
1:4
100
Are the Ratios Equivalent?
2:4 = 8:12
No!
100
Solve for x to make the Ratios Equivalent:
x:5 = 8:10
x = 4
100
The ratio of tomatoes to red apples is 2:5. If there are 20 tomatoes, how many red apples are there?
50 apples
200
Write a ratio of yellow to red circles:
5:3
200
Write 1 more Equivalent Ratio:
18:4
9:2
200
Are the Ratios Equivalent?
5:10 = 30:60
x6
Yes!
200
Solve for x to make the Ratios Equivalent:
3:9 = 9:x
x = 27
200
The ratio of berries to oranges is10:1. If there are 25 oranges, how many berries are there?
250 berries
300
Write a ratio of red to blue circles:
5:6
300
Write 2 more Equivalent Ratios:
10:20
1:2, 2:4
300
Are the Ratios Equivalent?
1:2 = 16:18
No!
300
Solve for x to make the Ratios Equivalent:
7:14 = x:28
x = 14
300
The ratio of bananas to melons is 30:1 If there are 300 bananas, how many melons are there?
10 Melons
400
Write a ratio of squares to diamonds:
15:20, 3:4
400
Write 3 more Equivalent Ratios:
15:30
1:2, 3:6, 5:10
400
Are the Ratios Equivalent?
13:14 = 26:24
No
400
Solve for x to make the Ratios Equivalent:
2:16 = x:8
x = 1
400
12 students play on the school's basketball team and 36 students play on the football team. What is the ratio of basketball players to football players?
1:3
500
Write a ratio of Blue Circles to all White Shapes:
4:8, 1:2
500
Write 3 more Equivalent Ratios:
24:72
12:36, 8:24, 6:18, 3:9, 4:12
500
Are the Ratios Equivalent?
8:32 = 1:4
Yes!
500
!!!!DAILY DOUBLE!!!!
Solve for x to make the Ratios Equivalent:
X:30 = 21:90
x = 7
500
The ratio of blueberries to strawberries is 1:7. If there are 21 strawberries, how many blueberries are there?
3 Blueberries