Uploaded July 2025 | Updated September 2026, 3 days ago

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This video shows a teacher working with a group of students in a grade 4 mathematics intervention class. The intervention teacher uses an instructional routine that incorporates evidence-based strategies from the Representations Recommendation in the What Works Clearinghouse Practice Guide, Assisting Students Struggling with Mathematics: Intervention in the Elementary Grades. The students compare fractions by using concrete and abstract representations. This video is part of REL Northeast & Islands’ Math Intervention Toolkit.

To learn more about REL Northeast & Islands, visit: ies.ed.gov/ncee/rel/region/northeast

This video was prepared under Contract 91990022C0013 by Regional Educational Laboratory Northeast and Islands, administered by Education Development Center. The content does not necessarily reflect the views or policies of IES or the U.S. Department of Education, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government.