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Jenna Laib

Jenna Laib

The Blog of a K-8 Math Specialist

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Jenna Laib // Blog

@jennalaib

Embrace the Challenge

I am a math specialist near Boston, MA. Find me on twitter @JennaLaib. For the last few years, this blog has served as a way for me to process and reflect on my work. Scroll down to check out my latest posts, or use the menu to browse by category.…Continue reading “Embrace the Challenge”

education…

“I see the same hands”: Dealing with Discretionary Spaces

12 Feb 201912 Feb 2019
The teacher frowned as she looked out at her 25 students, only 3 of which had their hands raised -- the same three students who always had their hands raised."I see…
assessment…

What does it mean to be “struggling” in math class? (Eduardo’s Story)

5 Feb 20195 Feb 2019
It was a sea of dots. Eduardo's work for 47 + 27 Over and over again, for both computational and story problems, third grade student Eduardo drew dots. Eduardo's work,…
curriculum…

“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…
in the classroom

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

5 Jan 20196 Feb 2022
Talking helps us make sense of ideas. Talking helps us synthesize our ideas. Talking helps us communicate our ideas. We want to get this kindergarten class talking -- a lot…
in the classroom

Talking about Geometry in Kindergarten, Part 1: Same or Different

4 Jan 20196 Feb 2022
  Talking helps us make sense of ideas. Talking helps us synthesize our ideas. Talking helps us communicate our ideas. We want to get this kindergarten class talking -- a…
curriculum…

#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…
education

The Museum of Rarely Used Math Manipulatives: What Do We Need?

20 Dec 20185 Feb 2022
Today in Kindergarten, we used Attribute Links to play Name My Rule. We sorted shapes based on properties (number of sides, number of 'points,' size, color, etc.). Attribute links are…
in the classroom

No More Mathematical Matchmaking: The Return of the Inaba Place Value Puzzles

26 Nov 201827 Nov 2018
When I first started teaching, I believed in being a mathematical matchmaker. I thought that differentiation meant giving students different tiered assignments -- it seemed much better than pushing every…
assessment…

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…
workshop

Strategy 3: Use High-Leverage Instructional Routines (Fessenden/Laib NCTM Session)

8 Nov 20185 Feb 2022
In early October, I presented at NCTM Hartford with the incomparable Heidi Fessenden (@heidifessenden / blog). Our session was called "Strategies for Cultivating Mathematical Thinking for All Learners." Slides available…
workshop

Strategy 2: Assign Competence (Fessenden/Laib NCTM Session)

7 Nov 20185 Feb 2022
In early October, I presented at NCTM Hartford with the incomparable Heidi Fessenden (@heidifessenden / blog). Our session was called "Strategies for Cultivating Mathematical Thinking for All Learners."   Slides…
workshop

Strategy 1: Reword the SMPs in Student-Friendly Language (Fessenden/Laib NCTM Session)

6 Nov 20185 Feb 2022
In early October, I presented at NCTM Hartford with the incomparable Heidi Fessenden (@heidifessenden / blog). Our session was called "Strategies for Cultivating Mathematical Thinking for All Learners." Slides available…
workshop

NCTM Hartford 2018: Strategies for Cultivating Mathematical Thinking for All Learners (Fessenden & Laib)

5 Nov 20185 Feb 2022
In early October, I presented at NCTM Hartford with the incomparable Heidi Fessenden (@heidifessenden / blog). Our session was called "Strategies for Cultivating Mathematical Thinking for All Learners." Slides available…
education

Keeping a Straight Face

9 Aug 201810 Aug 2018
This is my contribution to the Convention of Mathematical Flavors organized by @samjshah2. He put a call out for presenters to ponder the "mathematical flavor" of their classrooms How does your class move…
child study…

Cultivating a Listener’s Mindset — with ELs

10 Jun 20186 Feb 2022
In a post last January, I wrote about how the "mental load" teachers carry can impact their ability to listen to their students. ...but listening is critical. It's especially critical when…
education

We Need to Talk About Crazy Barb, or Throwing Skittles at a Problem

28 May 201824 Jul 2020
A NOTE: While I changed her name and a few minor identifying details, this is essentially a true account. I know it sounds strange -- because it was. This is not…
education

Doris

23 Jan 20188 Sep 2020
A student from my first ever fourth grade class -- now in his 20s -- contacted me on Facebook today. He was glad that I remembered him. "u and mrs…
curriculum…

Cultivating a Listener’s Mindset: A Case for Curriculum

2 Jan 2018
In the last few weeks, I have seen articles about "mental load" circulating around social media again. The "mental load" refers to the invisible but burdensome job of orchestrating of all the…
education

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…
assessment…

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 --…

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Upcoming Conference Presentations & Workshops

October 22, 2026
ATMNE – Warwick, RI
“The Learning that Led to Today: Tracing the K-8 Progression of Place Value Ideas Through Puzzles”

October 29, 2026
NCTM Annual – Denver, CO
“The Learning that Led to Today: Tracing the K-8 Progression of Place Value Ideas Through Puzzles”

December 14, 2026
Arizona Data Science Corps (AZDSC)
“Developing and Nurturing Data Literacy: Using Slow Reveal Graphs to Empower Students”

MORE…

Recent Posts

  • Making Corrections 29 Sep 2026
  • Nmbr 9: Opportunities to Observe and Nudge Thinking While Playing Games 30 Jul 2026
  • But It Looked So Good: Checking on Student Thinking 21 Apr 2026
  • Planning From Student Work: What -> So What? -> Now What? 16 Mar 2026
  • Measuring Growth in Mathematical Reasoning: What Mia’s Thinking Reveals 29 Dec 2025
  • Culture & Identity in the Math Classroom 22 Nov 2025
  • Inputs and Outputs 20 Oct 2025
  • Anderson’s Endless Zeroes 12 Apr 2025
  • How Many Nivelsnorts: Assessing Silly Story Problems 7 Nov 2024
  • Tomás and the Jellybeans: Increasing Access 5 Nov 2024

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#tmwyk access centering students ideas child study clinical interview desmos division education equity five practices formative assessment fractions games geometry grade 1 grade 2 grade 3 grade 4 grade 5 grade 6 grade 7 grade 8 identity illustrative mathematics intervention investigations Investigations (Inv3) kindergarten listening making connections multiplication notice and wonder problem-based instruction problem-based learning productive discussions race slow reveal graphs student thinking student work writing
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