1. Lesson Quizzes
Standard Lesson Quiz
Lesson Quiz for Student Response Systems

2. Determine whether the ratios are proportional.
Lesson Quiz: Part I
Determine whether the ratios are proportional. 9 30 12 40 12 21 10 15 1. 2. , ,
, ; proportional 3 10
, ; not proportional 4 7 2 3

3. 5. In preschool, there are 5 children for every
Lesson Quiz: Part II
5. In preschool, there are 5 children for every
one teacher. In another preschool there are 20 children for every 4 teachers. Determine whether the ratios of children to teachers are proportional in both preschools.
5 1 =

4. Lesson Quiz for Student Response Systems
1. Determine whether the ratios are proportional. ,
A. proportional
B. not proportional
12 20
18 30

5. Lesson Quiz for Student Response Systems
2. Determine whether the ratios are proportional. ,
A. proportional
B. not proportional
21 56
14 49

6. Lesson Quiz for Student Response Systems
5. In one school, there are 12 students for every classroom. In another school, there are 36 students for every 4 classrooms. Determine whether the ratios of students to classrooms are proportional in both schools.
A. = ; C. ≠ ;
proportional not proportional
B. = ; D. ≠ ;
12 36
1 3
12 1
36 4
12 1
36 3
12 4
36 1