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PODCAST

Rounding Up

The Math Learning Center

Welcome to Rounding Up by MLC. These conversations focus on topics that are important to elementary mathematics teachers, administrators, and coaches. Rounding Up is hosted by Mike Wallus, VP of Educator Support at the Math Learning Center, home of the Bridges in Mathematics curriculum. For more information on MLC, Bridges, or any of MLC"s tools and educational support materials, visit mathlearningcenter.org

education mathematics

All Episodes

40:21

See It! Say It! Symbolize It! with Dr. Patrick Sullivan

Rounding Up ·

2026/10/01

See It! Say It! Symbolize It! with Dr. Patrick Sullivan ROUNDING UP: SEASON 5 | EPISODE 3 Representations, language, and symbols are all important ingredients in building students' conceptual understanding and fluency. But how can we understand the relationship between those three ingredients? And what happens if we leave any one of them out of the recipe? In this episode, we explore these questions with Dr. Patrick Sullivan, professor of mathematics at Missouri State University. BIOGRAPHY Dr

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23:12

Organizing Board Space to Support Reasoning &...

Rounding Up ·

2026/09/17

Organizing Board Space to Support Reasoning & Connection, Part 2, with Dr. Tutita Casa & Katherine Mack ROUNDING UP: SEASON 5 | EPISODE 2 Repositioning the classroom board as a shared space for teachers and students can create opportunities for deeper student learning and have a subtle but significant impact on students' math identities. In part 2 of this two-part series, Mike talks with Tutita Casa and Katherine Mack from the University of Connecticut about ways teachers can use the board to

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25:27

Organizing Board Space to Support Reasoning &...

Rounding Up ·

2026/09/03

Organizing Board Space to Support Reasoning & Connection, Part 1, with Dr. Tutita Casa & Katherine Mack ROUNDING UP: SEASON 5 | EPISODE 1 Classroom boards have traditionally been a space that belongs to the teacher, even as technology changes. What would it look like to rethink our relationship with the board, repositioning it as a shared space for teachers and students alike? In part 1 of this two-part series, Mike sits down with Dr. Tutita Casa and Katherine Mack from the University of

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02:22

Looking Ahead to Season 5

Rounding Up ·

2026/08/27

Looking Ahead to Season 5 Rounding Up returns next week for its fifth season, examining even more ideas, concepts, and practices that shape teaching and learning in elementary mathematics classrooms. This season, we invite our listeners to engage with us by leaving a comment on our website, mathlearningcenter.org/podcast. We look forward to hearing from you! TRANSCRIPT Mike Wallus: Rounding Up returns for Season 5 next Thursday, September 3rd, with brand-new episodes. We'll examine ideas, concepts,

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30:22

[From the Archives] Recording Student Thinking During...

Rounding Up ·

2026/08/13

Recording Student Thinking During a Mathematics Discussion with Nicole Garcia ROUNDING UP: SEASON 4 | EPISODE 24 Learning to record students' mathematical thinking might best be described as "on-the-job training" with a great deal of trial and error and a lot of practice. In this rereleased episode from Season 1, Nicole Garcia from the University of Michigan talks about the practice of recording student thinking and offers insight on this challenging but crucial practice. BIOGRAPHY Nicole Garcia is

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23:23

[From the Archives] Making Sense of Fractions with...

Rounding Up ·

2026/07/30

Making Sense of Fractions with Susan Empson, PhD ROUNDING UP: SEASON 4 | EPISODE 23 For quite a few adults, fractions were a stumbling block in their education, causing them to lose their footing and begin to doubt their ability to make sense of math. But this doesn't have to be the case for our students! In this rerelease of an episode from Season 2, we're talking with Susan Empson, PhD, about big ideas in fractions and how we can make them more meaningful for our students. BIOGRAPHY Susan B

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26:41

[From the Archives] Breaking the Cycle of Math Trauma...

Rounding Up ·

2026/07/16

Breaking the Cycle of Math Trauma with Kasi Allen, PhD ROUNDING UP: SEASON 4 | EPISODE 22 If you are an educator, you've likely heard people say things like "I'm not a math person." While this may make you cringe, if you dig a bit deeper, many people can identify specific experiences that convinced them that this was true. In fact, some of you might secretly wonder if you are a math person as well. In this rerelease of an episode from Season 3, we're talking with Kasi Allen, PhD, about math trauma:

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37:32

[From the Archives] The Big Place Value Episode with...

Rounding Up ·

2026/07/02

The Big Place Value Episode with Eric Sisofo, EdD ROUNDING UP: SEASON 4 | EPISODE 21 If you ask an educator to share some of the most important ideas in elementary mathematics, most would include place value on that list. But what does it mean to understand place value, really? And what types of language, practices, and tools support students as they build understanding? In this rerelease of an episode from Season 2, we discuss these questions and more with Dr. Eric Sisofo from the University of

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24:43

[From the Archives] Practical Ways to Build a...

Rounding Up ·

2026/06/18

Practical Ways to Build a Strengths-Based Elementary Math Classroom with Dr. Beth Kobett ROUNDING UP: SEASON 4 | EPISODE 20 What if it were possible to capture all of the words teachers said or thought about students and put them in word clouds that hovered over each student throughout the day? What impact might the words in the cloud have on the student's learning experience? These are the questions that Beth Kobett and Karen Karp pose to start their book about strength-based teaching and learning

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28:03

[From the Archives] Posing Purposeful Questions with...

Rounding Up ·

2026/06/04

Posing Purposeful Questions with Dr. DeAnn Huinker ROUNDING UP: SEASON 4 | EPISODE 19 Educational theorist Charles De Garmo once said, "To question well is to teach well. In the skillful use of the question, more than anything else, lies the fine art of teaching." In this re-release of an episode from Season 1, our guest is Dr. DeAnn Huinker, one of the coauthors of Taking Action: Implementing Effective Mathematics Teaching Practices in Grades K-5. We'll talk with DeAnn about the art and the

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25:51

Season 4 | Episode 18 – Dr. Jenny Bay-Williams,...

Rounding Up ·

2026/05/21

Dr. Jenny Bay-Williams, Productive Ways to Build Fluency with Basic Facts ROUNDING UP: SEASON 4 | EPISODE 18 This summer we're replaying favorite listener episodes from the first four seasons of Rounding Up—like this one from Season 1. We'll return with all new episodes in early September. Ensuring students master their basic facts remains a shared goal among parents and educators. That said, many educators wonder what should replace the memorization drills that cause so much harm to their students'

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33:38

Season 4 | Episode 17 – Jana Dean & Heather Byington,...

Rounding Up ·

2026/05/07

Jana Dean & Heather Byington, Supporting Multilingual Learners During Number Talks ROUNDING UP: SEASON 4 | EPISODE 17 What might it be like to engage in a number talk as a multilingual learner? How would you communicate your ideas, and what scaffolds might support your participation? Today, we're talking with Jana Dean and Heather Byington about ways educators can support multilingual learners' engagement and participation during number talks. BIOGRAPHIES Heather Byington has taught all grade

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33:42

Season 4 | Episode 16 – Kristin Frang, Understanding...

Rounding Up ·

2026/04/23

Kristin Frang, Understanding the Roots of Fluency with Addition & Subtraction ROUNDING UP: SEASON 4 | EPISODE 16 Research suggests that supporting students' fluency with addition and subtraction hinges on understanding how children's mathematical thinking develops. So what are the concepts and ideas that play a part in fluency with combinations to 10, 20, and beyond? Today, we'll explore this question with Kristin Frang, director of instructional programs at Integrow Numeracy Solutions. BIOGRAPHY

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26:28

Season 4 | Episode 15 – Dr. DeAnn Huinker & Dr....

Rounding Up ·

2026/04/09

DeAnn Huinker & Melissa Hedges, Math Trajectories for Young Learners, Part 2 ROUNDING UP: SEASON 4 | EPISODE 15 Research confirms that early mathematics experiences play a more significant role than we once imagined. Studies suggest that specific number competencies in 4-year-olds are strong predictors of fifth grade mathematics success. So what does it look like to provide meaningful mathematical experiences for our youngest learners? Today, we'll explore this question with DeAnn Huinker from

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25:17

Season 4 | Episode 14 – Dr. DeAnn Huinker & Dr....

Rounding Up ·

2026/03/19

DeAnn Huinker & Melissa Hedges, Math Trajectories for Young Learners, Part 1 ROUNDING UP: SEASON 4 | EPISODE 14 Research confirms that early mathematics experiences play a more significant role than we once imagined. Studies suggest that specific number competencies in 4-year-olds are strong predictors of fifth grade mathematics success. So what does it look like to provide meaningful mathematical experiences for our youngest learners? Today, we'll explore this question with DeAnn Huinker from

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34:44

Season 4 | Episode 13 – Dr. Mike Steele, Pacing...

Rounding Up ·

2026/03/05

Mike Steele, Pacing Discourse-Rich Lessons ROUNDING UP: SEASON 4 | EPISODE 13 As a classroom teacher, pacing lessons was often my Achilles' heel. If my students were sharing their thinking or working on a task, I sometimes struggled to decide when to move on to the next phase of a lesson. Today we're talking with Mike Steele from Ball State University about several high-leverage practices that educators can use to plan and pace their lessons. BIOGRAPHY Mike Steele is a math education researcher

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12:13

Season 4 | Episode 12 – Kyndall Thomas, Building a...

Rounding Up ·

2026/02/19

Kyndall Thomas, Building a Meaningful Understanding of Properties Through Fact Fluency Tasks ROUNDING UP: SEASON 4 | EPISODE 12 Building fluency with multiplication and division is essential for students in the upper elementary grades. This work also presents opportunities to build students' understanding of the algebraic properties that become increasingly important in secondary mathematics. In this episode, we're talking with Kyndall Thomas about practical ways educators can support fluency

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30:46

Season 4 | Episode 11 – Dr. Amy Hackenberg,...

Rounding Up ·

2026/02/05

Amy Hackenberg, Understanding Units Coordination ROUNDING UP: SEASON 4 | EPISODE 11 Units coordination describes the ways students understand the organization of units (or a unit structure) when approaching problem-solving situations—and how students' understanding influences their problem-solving strategies. In this episode, we're talking with Amy Hackenberg from the University of Indiana about how educators can recognize and support students at different stages of units coordination. BIOGRAPHY Dr

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21:52

Season 4 | Episode 10 – What Counts as Counting?...

Rounding Up ·

2026/01/22

What Counts as Counting? with Dr. Christopher Danielson ROUNDING UP: SEASON 4 | EPISODE 10 What counts as counting? The question may sound simple, but take a moment to think about how you would answer. After all, we count all kinds of things: physical quantities, increments of time, lengths, money, as well as fractions and decimals. In this episode, we'll talk with Christopher Danielson about what counts as counting and how our definition might shape the way we engage with our students. BIOGRAPHY

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27:03

Season 4 | Episode 9 - Dr. Todd Hinnenkamp, Enacting...

Rounding Up ·

2026/01/08

Dr. Todd Hinnenkamp, Enacting Talk Moves with Intention ROUNDING UP: SEASON 4 | EPISODE 9 All students deserve a classroom rich in meaningful mathematical discourse. But what are the talk moves educators can use to bring this goal to life in their classrooms? Today, we're talking about this question with Todd Hinnenkamp from the North Kansas City Schools. Whether talk moves are new to you or already a part of your practice, this episode will deepen your understanding of the ways they impact your

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