9–12 Math

Help Students Know, Use, and Enjoy Quadratics

Help Students Know, Use, and Enjoy Quadratics

By Joseph Koelsch, IM Certified® Facilitator “I’ve said it before: equations are the devil’s sentences. The worst one is that quadratic equation, an infernal salad of numbers, letters, and symbols.” - Stephen Colbert Did you ever feel the same way? I know that I felt...

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Strategies for Instituting Equitable Math Instruction

Strategies for Instituting Equitable Math Instruction

Dionne Aminata, Senior Director of Strategic Initiatives, Marketing, Illustrative Mathematics Rolanda Baldwin, Vice President of Mathematics, UnboundEd Illustrative Mathematics and UnboundEd both agree that achieving racial justice in math education starts with the...

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Empowering Students with the Geometry Reference Chart

Empowering Students with the Geometry Reference Chart

By Tina Cardone Geometry class can feel like word salad, with a heavy sprinkling of notation on top. Students need to both process and produce mathematical language in the vast majority of the tasks they work on. Here is a portion of the warm up from a section on...

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Creating a space for students to become expert learners

Creating a space for students to become expert learners

By Vanessa Cerrahoglu and Danielle Seabold, IM Certified® Facilitators  Learners have brilliant mathematical ideas. How we teachers use IM 6–12 Math™ impacts how often students and teachers recognize this brilliance. “...[C]urriculum choices matter. But how teachers...

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Towards Coherence

Towards Coherence

By William McCallum Last week, we had our first large-scale in-person event in quite a while, a training for new and returning facilitators in Baltimore, with over 110 facilitators and 13 employees attending. I gave a virtual welcome to four rooms of eager learners...

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