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Illustrative Mathematics
A nonprofit organization developing K–12 mathematics curricula.
Illustrative MathematicsIllustrative Mathematics (IM) is a 501(c)(3) nonprofit organization focused on mathematics education. It originated as a project associated with the University of Arizona around 2011, led by Bill McCallum, a lead writer of the Common Core State Standards for Mathematics.
The organization develops problem-based, standards-aligned curricula for elementary, middle, and high school levels (IM K–5, 6–8, and 9–12 Math), alongside professional learning services for teachers. These curricula are distributed through publishing partners such as Kendall Hunt and McGraw-Hill and have historically received strong ratings on EdReports.