Formative evaluation and feedback loops are essential elements of data-driven assessment and mathematics education. Teachers obtain data on students' comprehension of mathematical ideas and abilities in real time through the use of continuing formative assessment procedures. This information is gathered in a number of ways, including exit tickets, quizzes, observations, and class discussions. Through the examination of formative assessment data, educators can obtain significant understanding of their students' academic development, recognize their strengths and weaknesses, and detect misconceptions or comprehension gaps. Equipped with this data, teachers can offer prompt, focused feedback to pupils, assisting them in developing a better understanding and proficiency in mathematics. Feedback is tailored, precise, and useful; it highlights areas in which students may grow and provides advice on how to do so. Additionally, formative assessment and feedback loops allow teachers to modify their lesson plans in real time, allowing them to better address the varied requirements of their pupils. Teachers can establish a dynamic learning environment where all students can grow and improve their mathematical competency over time by using formative evaluation and feedback into the teaching process.