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# Tag: illustrative mathematics

## Problem Based Lesson #1: Launching Symmetry in Grade 4

## Getting Started with Problem Based Learning in Grade 4

## Using Diagrams to Build and Extend Student Understanding

## Using Instructional Routines to Inspire Deep Thinking

## Talking about Geometry in Kindergarten, Part 2: The Shape Hunt

## Coherence, Round 2: The Power of Connecting Instructional Routines

## Coherence and Telling the Story

The Blog of a K-8 Math Specialist