Lesson Quizzes Standard Lesson Quiz Lesson Quiz for Student Response Systems

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

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 = 20 4

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

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

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