Ateacher who uses classroom had his students do an outdoors math project with their tablet. he could create an in classroom to collect their work in an organized way.

He could create an ASSIGNMENT in classroom to collect their work in an organized way. Classroom is a digital filing system provided by Google which allows teachers to teach from the cloud. Teachers can create assignments for students in the google classroom by making use of the assignment section. 

According to my brain it's a rational number because it can be put as a fraction