Response to Intervention (RTI) has become a vehicle for system reform because it provides a framework in which data can be relied on as the basis for making relative judgments (e.g., determining who needs help the most and how much they need) and for distributing instructional resources to promote the greatest good for the greatest number of students.
Much of the writing and research on RTI has occurred in the area of reading, but RTI is not limited to reading. Rather, it is a science of decision making that can be applied to a variety of “problem” behaviors. RTI, properly understood and used, is focused on improving student learning. Ensuring the development of mathematics competence during the primary grades is essential to later learning success. Key findings in the literature highlight the need to focus on early mathematics instruction: