Using Number Lines to Model Operations: Fraction Addition @InstituteofEducationSciences

Uploaded July 2025 | Updated September 2026, 8 hours ago

This video demonstrates how to use the number line representation to model fraction addition and build students’ understanding of the operation. It illustrates evidence-based strategies for number lines from the What Works Clearinghouse Practice Guide, Assisting Students Struggling with Mathematics: Intervention in the Elementary Grades. This video is a key component of the Number Lines Module in the 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.

$Using Number Lines to Model Operations: Fraction Addition This video demonstrates how to use the number line representation to model fraction addition and build students’ understanding of the operation. It illustrates evidence-based strategies for number lines from the What Works Clearinghouse Practice Guide, Assisting Students Struggling with Mathematics: Intervention in the Elementary Grades. This video is a key component of the Number Lines Module in the REL Northeast & Islands Math Intervention Toolkit. To learn more about REL Northeast & Islands, visit: https://ies.ed.gov/ncee/rel/region/northeast This video was prepared under Contract 91990022C0013 by Regional Educational Laboratory Northeast and Islands, administered by Education Development Center. The content does not necessarily reflect the views or policies of IES or the U.S. Department of Education, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government.$

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