There are 45 students in a class. They are divided into 5 groups. How many students are there in each group?
We divide the number of students by the number of groups. 45/5
Answer : 9
There are 45 students in a class. Each group has 9 students. How many groups are there?
We divide the number of students by the number of students in each groups. 45/9 = 5
Answer : 5
Directions: Solve the following. Also write at least ten examples of your own.