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PODCAST

The Build Math Minds Podcast

Christina Tondevold

The Build Math Minds podcast is for my fellow Recovering Traditionalists out there. If you don’t know whether or not you are a Recovering Traditionalist, here’s how I define us. We are math educators who used to teach math the traditional way. Flip lesson by lesson in the textbook, directly teaching step-by-step how to solve math problems. But now, we are working to change that to a style of teaching math that is fun and meets our students where they are at, not just teaching what comes next in the

education k-12

All Episodes

11:08

Episode 205 - Stop Coaching Everyone: Use the 80/20...

The Build Math Minds Podcast ·

2025/09/21

As an elementary math coach, do you feel like you're trying to be everywhere at once with never enough time to make the impact you want? In this episode, discover how to use the 80/20 principle to transform your coaching approach and actually increase your impact while saving time. Learn how to strategically apply the 80/20 rule in two key ways: Which Teachers to Prioritize: How to identify the 20% of teachers who will create the biggest ripple effect across your school (hint: it's not just about

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17:19

Episode 204 -Timed Math Activities…Good or Bad?

The Build Math Minds Podcast ·

2025/09/14

Are timed math activities helping or harming our elementary students? This controversial topic divides educators, but the research tells a clear story when we dig deeper. In this episode, we explore evidence-based strategies for using timed activities to build math fluency without creating anxiety or trauma. Drawing from the What Works Clearinghouse's analysis of 27 studies involving over 4,300 students, we discover that the problem isn't timed activities themselves—it's how they've been

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47:50

Episode 203 - Number Sense with Christina Tondevold...

The Build Math Minds Podcast ·

2025/05/25

In this cross-posted episode from Math Chat, host Mona Iehl interviews Christina Tondevold about developing number sense in elementary students. Christina shares her journey from a "procedural" math student to becoming a math coach and founder of Build Math Minds. The conversation explores the eight components of number sense: four early numeracy concepts (subitizing, verbal counting, object counting, and cardinality) and four number relationships (spatial relationships, one/two more or less,

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08:37

Episode 202 - Going Beyond the Task When Building...

The Build Math Minds Podcast ·

2025/05/18

In Episode 202: Going Beyond the Task When Building Thinking Classrooms, we reveal the exciting lineup of special guests for our summer book study on 'Mathematics Tasks for the Thinking Classroom Grades K-5' by Peter Liljedahl and Maegan Giroux. Starting July 14th, each week will feature a video with reading prompts followed by live Q&A sessions with experts including first-grade teacher Tammy McMorrow, co-author of the book Maegan Giroux, and Official BTC Consultant Kim Rimbey. Join now at

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07:50

Episode 201 - Our Summer Book Study - Exploring Tasks...

The Build Math Minds Podcast ·

2025/05/11

In Episode 201, I share two exciting summer learning opportunities for fellow Recovering Traditionalists as we prepare to pause the podcast until August. First, enroll in The Flexibility Formula online courses (K-2 or 3-5) to transform how you build math fluency with your students. BuildMathMinds.com/courses Second, join our free summer book study on "Mathematics Tasks for the Thinking Classroom Grades K-5" by Peter Liljedahl and Maegan Giroux, starting July 14th. Register now at

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16:47

Episode 200 - The Three Essential Math Experiences:...

The Build Math Minds Podcast ·

2025/05/04

In this milestone 200th episode of The Build Math Minds Podcast, I share the three essential math experiences every classroom needs: Number Routines, Word Problems, and Games. Drawing from research-backed practices in the IES/WWC guides, I explain why these activities are crucial for developing conceptual understanding, procedural fluency, and application in mathematics. Learn how Number Routines make implicit math concepts explicit, how Word Problems should help students understand mathematical

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05:58

Episode 199 - The Many Ways to Show Numbers with Fingers

The Build Math Minds Podcast ·

2025/04/27

In this episode, I explore the fascinating world of finger use in math and specifically how we represent numbers differently. After noticing that Dan Finkel and I show the number 3 with completely different finger configurations, I dive into why these variations matter for children's mathematical understanding. Through personal stories about my own children's attempts to show the number 5, I highlight how fixed representations can limit children's number sense. Join me to discover why showing

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21:09

Episode 198 - Tips for Using Games to Build Math...

The Build Math Minds Podcast ·

2025/04/20

In this episode, Christina Tondevold welcomes special guest Dan Finkel, founder of Math for Love and creator of popular games like Prime Climb and Tiny Polka Dot. Dan shares his three essential principles for effectively implementing mathematical games in the classroom: games should involve meaningful choices, math should be the engine driving the gameplay, and games should be simple to learn and quick to play. Through personal stories and classroom examples, Dan and Christina explore how games

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13:20

Episode 197 - Upleveling Missing Part Games

The Build Math Minds Podcast ·

2025/04/13

In this final episode of our three-part series on upleveling missing part activities, I share ways to transform two popular math games: Salute and Number Sandwiches. Learn how to modify these traditional games to help your students build a deeper understanding of number relationships through missing part problems. These upleveled versions create opportunities for students to work with equivalent expressions while maintaining the fun and engagement of game-based learning. Perfect for elementary math

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06:54

Episode 196 - Repackaging Style Word Problems:...

The Build Math Minds Podcast ·

2025/04/06

In this second installment of our three-part series on Missing Part Activities, we explore 'repackaging tasks' - a powerful approach to traditional missing part word problems. While educators are familiar with finding unknown parts in word problems like “Christina has $12, she spends some now she has $7. How much did she spend?”, repackaging tasks push mathematical thinking further by having students redistribute quantities across equivalent expressions. Through practical examples in both

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11:33

Episode 195 - Upleveling Missing Part Activities to...

The Build Math Minds Podcast ·

2025/03/30

In this episode, we explore how to elevate your 'Missing Part' math activities beyond the basic type like 5 + __ = 12' into more problems that help students develop a deeper understanding of mathematical equality and build foundational number properties. Get a quick way to implement these enhanced activities in your classroom. Perfect for elementary educators looking to strengthen their students' mathematical thinking without explicitly teaching formal properties. This is the first in a three-part

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05:15

Episode 194 - The Truth About Mental Math - It's Not...

The Build Math Minds Podcast ·

2025/03/23

In this episode, we explore the common misconception about mental math in mathematics education. Featuring insights from Pam Harris' newly published book 'Developing Mathematical Reasoning: Avoiding the Trap of Algorithms,' we discuss why mental math isn't about doing calculations without paper—it's about developing quality thinking strategies.

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05:42

Episode 193 - Beyond the Template - Making the Lesh...

The Build Math Minds Podcast ·

2025/03/16

In this episode, I follow up on last week's introduction to the Lesh Translation Model with an important caution. While I previously shared a template for The Translation Task, today I explore concerns raised by John Mason in the 1987 book "Problems of Representation in the Teaching and Learning of Mathematics." Mason warns that frameworks like the Lesh Model can become "mechanical schemes for generating yet more useless student activity" when implemented without proper attention. I offer two

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08:53

Episode 192 - A Math Task All Teachers Should be Doing

The Build Math Minds Podcast ·

2025/03/09

In Episode 192, "A Math Task All Teachers Should be Doing," I discuss the Lesh Translation Model, a powerful framework that was frequently featured at the 2025 Virtual Math Summit. This model, which dates back to 1979 but was highlighted in NCTM's 2014 book "Principles to Actions," identifies five different ways to represent mathematical concepts: Manipulatives (objects), Realistic (real-life contexts), Pictorial (drawings), Language (verbal descriptions), and Symbolic (numbers/equations). I explain

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21:50

Episode 191 - Math Teaching Strategies: Highlights...

The Build Math Minds Podcast ·

2025/03/02

Highlights from the 2025 Virtual Math Summit Get a look into the 2025 Virtual Math Summit's six live sessions that are transforming mathematics instruction in classrooms across the country. This episode captures the essence of innovative teaching approaches from some of the most influential voices in math education today. Discover how Peter Liljedahl and Maegan Giroux are revolutionizing classrooms with their "Building Thinking Classrooms" approach, including their counterintuitive advice to create

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18:03

Episode 190 - Building Equitable Math Classrooms...

The Build Math Minds Podcast ·

2025/02/23

Get a look at the 2025 Virtual Math Summit's equity-focused sessions. This episode weaves together insights from leading voices in mathematics education who are transforming how we teach math to ensure every student succeeds. Featuring compelling data and classroom examples from Dr. Pamela Seda, Christina Lincoln-Moore, Dawn Dibley, and Susan Jo Russell & Deborah Schifter, you'll discover how to create truly inclusive math classrooms where all students can thrive. Learn why traditional teaching

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20:06

Episode 189 - Making Math Irresistible: 4 Expert...

The Build Math Minds Podcast ·

2025/02/16

Get four powerful strategies for making mathematics engaging and accessible for elementary students from expert presenters at the 2025 Virtual Math Summit. Dr. Raj Shah reveals the psychology of engagement through video game design principles, while Kristin Acosta demonstrates how to use everyday images to spark mathematical discussions. Jeff Gobin shows how digital manipulatives can make abstract concepts concrete, and Tyler Tarver shares research on leveraging educational videos effectively in

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17:46

Episode 188 - The Science of Making Math Stick: Using...

The Build Math Minds Podcast ·

2025/02/09

How can we help our students retain what they learn in mathematics? The latest 2024 NAEP scores show that only 39% of 4th grade students and 28% of 8th grade students are performing at or above the Proficient level in mathematics, suggesting many students aren't retaining fundamental concepts. In this episode, Christina shares research-backed strategies from two Virtual Math Summit presenters, Jen Hunt and Michaela Epstein, that can help combat these concerning trends. Learn about The Forgetting

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17:27

Episode 187 - Problem Solving Success: 3 Experts’...

The Build Math Minds Podcast ·

2025/02/02

In this episode, get an inside look at three powerful sessions from the 2025 Virtual Math Summit focused on transforming math problem solving in elementary classrooms. Listen to clips from John SanGiovanni sharing a unique routine that shifts focus from answers to understanding, Danielle Moore demonstrating practical strategies for building student independence through CGI instruction, and Christine Riad exploring how classroom culture impacts students' problem-solving confidence. These pre-recorded

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07:59

Episode 186 - Live Elementary Math PD Sessions You...

The Build Math Minds Podcast ·

2025/01/26

In this episode, get a sneak peek at the live sessions happening at the 2025 Virtual Math Summit. Learn about sessions from renowned math educators including Pam Harris on moving beyond algorithms, Shannon Olson on connecting mathematical representations, Kim Rimbey's innovative approach to ten-frames, Latrenda Knighten's strategies for mathematical discourse, and Ann Elise Record's deep dive into visualizing problem-solving structures. These live sessions, happening February 22nd-23rd, are designed

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