Ratio Models
Writing Equivalent Ratios
Are the ratios equivalent?
Solve Equivalent Ratios
Word Problems
100
Write a ratio of yellow to red circles:
3/4, 3:4, 3 to 4
100
Write 1 more Equivalent Ratio:
3:12
1:4
100
Are the Ratios Equivalent? Why?
2/4 = 4/2
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 red to yellow circles:
3/5, 3:5, 3 to 5
200
Write 1 more Equivalent Ratio:
18:4
9:2
200
Are the Ratios Equivalent? Why?
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 students to math teachers in a school is 22:1. If there are 4 math teachers, how many students are there?
88 students
300
Write a ratio of red to blue circles:
5/6, 5:6, 5 to 6
300
Write 2 more Equivalent Ratios:
10:20
1:2, 2:4
300
Are the Ratios Equivalent? Why?
1/2 = 16/18
No!
300
Solve for x to make the Ratios Equivalent:
7/14 = x/42
x = 21
300
Create your own ratio word problem. Don't solve.
The ratio of ____ to ____is ____. If there are ______ , how many ____ are there?
Answers vary
400
Write a ratio of squares to diamonds:
15:20, 15:20, 15 to 20
400
Write 3 more Equivalent Ratios:
15:30
1:2, 3:6, 5:10
400
Are the Ratios Equivalent? Why?
13/14 = 39/42
Yes!
400
Solve for x to make the Ratios Equivalent:
2/16 = x/80
x = 10
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
Create a Question: Use the image below to create a question. Then solve.
Ex. Write a ratio of _____ to _____
Answers will vary
500
!!!!DAILY DOUBLE!!!!
Write 3 more Equivalent Ratios:
24:72
12:36, 8:24, 6:18, 3:9, 4:12
500
Are the Ratios Equivalent? Why?
8/32 = 32/128
Yes!
500
!!!!DAILY DOUBLE!!!!
Solve for x to make the Ratios Equivalent:
X/30 = 54/90
x = 18
500
The ratio of blueberries to strawberries is 1:7. If there are 210 strawberries, how many blueberries are there?
30 Blueberries