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IM Certified® Blog

The TK Year: What Makes Transitional Kindergarten Unique

The TK Year: What Makes Transitional Kindergarten Unique

By Hannah Herbert, PK–6 Content Specialist In one corner of a transitional kindergarten classroom, a small group of children sorts a pile of buttons—some by size, some by color—while their teacher listens in and asks what they notice. Nearby, two students negotiate...

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IM’s Back-to-School Toolkit 2026–27

IM’s Back-to-School Toolkit 2026–27

By the Illustrative Mathematics team Every new school year brings both excitement and plenty of questions. Whether you’re teaching with IM® Math for the first time, returning after summer break, or supporting teachers as a coach, we’ve gathered some of our most...

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Anatomy of an IM® Math Lesson: Why Centers Matter

Anatomy of an IM® Math Lesson: Why Centers Matter

by Lindy Olejniczak, PK–6 Content Specialist In this series of blog posts—The Anatomy of an IM® Math Lesson—we’re taking a closer look at each part of an IM® Math lesson and how it contributes to meaningful student learning. After exploring the launch and warm-up in...

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Anatomy of an IM® Math Lesson: Making the Launch Work for You

Anatomy of an IM® Math Lesson: Making the Launch Work for You

By David Petersen, Specialist, 5–12 Content In this series of blog posts—The Anatomy of an IM® Math Lesson—we’ll take a closer look at each part of an IM Math lesson and how it contributes to meaningful student learning. We begin with the launch: the moment that helps...

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Giveing Tuedsday Heart

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