“Oops, I Forgot”: Small, Beautiful Moments

2 Jan 20222 Jan 2022

I sat with fourth grade teacher Ms. Goldman in the back of her classroom as students cleaned up materials from the class. There were 15 minutes left in the school…

The Half-Triangle: Attending to Precision and Building On Others’ Ideas

12 Dec 202111 Dec 2021

From Investigations: Grade 4, Unit 4, Investigation 2, Lesson 2 "This shape fits my rule," said 4th grade teacher Ms. Cohen, moving the green right triangle to the left side…

Problem Based Lesson #3: Learning From One Another in Grade 4

9 Jan 202026 Jun 2020

This is a post in a series about problem based instruction in fourth grade -- centering on a series of lessons classroom teacher Claire* and I taught about symmetry. This…

Problem Based Lesson #2: Making Connections with Symmetry in Grade 4

8 Jan 20205 Feb 2022

This is a post in a series about problem based instruction in fourth grade -- centering on a series of lessons classroom teacher Claire* and I taught about symmetry. This…

Problem Based Lesson #1: Launching Symmetry in Grade 4

7 Jan 202026 Jun 2020

This is a post in a series about problem based instruction in fourth grade -- centering on a series of lessons classroom teacher Claire* and I taught about symmetry. Part…

Getting Started with Problem Based Learning in Grade 4

6 Jan 202026 Jun 2020

What are the conditions that inspire teachers to take on problem based instruction? This isn't a story about how you can determine when a teacher -- novice or experienced --…

One of Favorite Games: The Skip Count Game

30 May 20196 Jan 2020

This game is part of my "simple but high leverage" collection of games that are flexible, engaging, and easy to prep. Others include Number Boxes and the Answer Is... I've played the…

One of My Favorite Games: Number Boxes

29 May 20196 Jan 2020

This game is part of my "simple but high leverage" collection of games that are flexible, engaging, and easy to prep. Others include The Answer Is... and the Skip Count Game. I…

One of My Favorite Games: The Answer Is…

28 May 20196 Jun 2019

This game is part of my "simple but high leverage" collection of games that are flexible, engaging, and easy to prep. Others include Number Boxes and the Skip Count Game. I have…

The Cookie Recipe: Learning Math from Students

1 Apr 20195 Feb 2022

Fourth grade teacher Alicia and I have a beautiful habit of doing math together when planning. We try out problems, and anticipate ways we think students.* *This work is made…

You’re Both Right: Examining and Honoring Mathematical Assumptions

21 Mar 201922 Jun 2021

Even from across the room, there was no mistake: Jacob and Ian were deep into a mathematical debate. Jacob had pulled his chair up to Ian's desk, and they were…

The Striped Snake Barbecue Puzzle: Exploring “Challenge” in 3rd Grade

4 Mar 20196 Feb 2022

Who gets to be challenged in class? How does the work we give students impact their status (or how they perceive their status) in the classroom? Meet Calvin You've probably…

“Why is the math teacher here for social studies?”

16 Jan 20196 Feb 2022

I slipped quietly into Room 304, trying not to distract the fourth graders, who were finishing up a writing assignment. I set up my laptop to project to the white…

#TeamBlankSpace

3 Jan 2019

Every time a child says, 'I don't believe in fairies,' there is a fairy somewhere that falls down dead.J. M. Barrie, Peter Pan (1904) When a work page is overly rigid…

Presuming Competence: Using Clinical Interviews to Support Classroom Instruction

13 Nov 201827 Nov 2018

"She's not on an IEP, but she's struggling in class. What should I do?" I don't know the student -- Alejandra, or Ali, for short -- very well, so I arranged…

The New Kid

16 Oct 201712 Feb 2022

In a nutshell: my district offers a fellowship grant each year for six teachers to spend a (paid) week writing about teaching over the summer. I am never fully certain…

Anchoring Online Portfolios

10 Oct 201710 Oct 2017

When I was an elementary classroom teacher, my students built elaborate portfolios to document their thinking and progress. As a specialist, I carry components of this into my practice --…