Feedback provides teacher to be conscious about learners current knowledge and skill development. Feddback is used to understand the learner's progress and level of achievement, in this way both students and teachers can develop their learning and their future lesson plans.
There are some objectives that feedback provides in the classroom, for example:
References:
F. (2019). Importance of feedback in assessment. FutureLearn. Retrieved: https://www.futurelearn.com/courses/educational-design/0/steps/26436 [August 08th, 2020]