Author Archives: Scott Baldridge

About Scott Baldridge

Distinguished Professor of Mathematics, LSU. Geometric topologist: gauge theory, exotic 4-manifolds, knot theory. Author: Elementary Mathematics for Teachers.

The Secrets of my Teaching Success: James Tanton

I recently asked James Tanton, “What are some of the secrets for your success as a teacher?” Here’s what he said. Continue reading

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Something fun: Have you ever used a ruler to measure a Snafoose?

Have you ever tried to measure a Snafoose while riding a goose? Continue reading

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What is the sum 1+2+3+4+…+24+25?

In this video, 6-year-old Autumn shows how she found the sum 1+2+3+4+….+24+25. Continue reading

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Eureka Math Curriculum: A Breakout Hit

Who are the real breakout hits behind the Eureka Math/EngageNY Curriculum? Continue reading

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In Memory of Dr. Dolores Margaret Richard Spikes

Thank you for your contributions to mathematics, Dr. Spikes. Continue reading

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A Quick Comparison of a State Assessment and Eureka Math

We compare types of problems expected on new state assessments with examples from the Eureka Math curriculum. Continue reading

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Meet Mathematician Jeremy Van Horn-Morris

In this episode we meet mathematician Jeremy Van Horn-Morris, who talks about some geometric and visual tools used to understand questions concerning the motion of particles. Continue reading

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Skip Counting with Fractions

In this “Growing up with Eureka” video, 6-year-old Autumn shows how to skip count by fractions 1/2, 1/3, and 1/5. Continue reading

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Ben McCarty plays “Swing that Hammer”

Listen to mathematician Ben McCarty sing “Swing that Hammer” using a Breedlove guitar. Continue reading

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Subtraction Problems with Kittens

Watch 6 year-old Autumn use Eureka Math methods to subtract two numbers, including 1017-999 in her head. Continue reading

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Ratios, ordered pairs versus points, proportional relationships, and proportions

What are ratios, proportional relationships, and proportions according to the CCSS-M progressions documents, and what is the difference between a point and an ordered pair? Continue reading

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A big NCTM thanks and next year’s talk

A big thanks to all the people who attended my NCTM talk, and a question: Would you like to see my daughter Autumn do some Eureka Math at next year’s NCTM meeting? Continue reading

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I’m at the NCTM meeting this week and would like to meet you!

Want to talk the lead writer and mathematician of the Eureka Math/EngageNY curriculum? Here’s your chance at the NCTM national meeting! Continue reading

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Meet Mathematician Aaron Lauda

What did mathematician Aaron Lauda do when he proved one of his big theorems? Watch and find out! Continue reading

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‘Eureka Math’ Embeds Real-World Problems in PreK-12 Mathematics Lessons

Find out what I think is a beautiful problem with an elegant solution by reading Jessica Hughes’ article, “‘Eureka Math’ Embeds Real-World Problems in PreK-12 Mathematics Lessons,” published at the Center for Digital Education. Continue reading

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Pleasurable Adding

Can you add as fast as a 6 year-old? See how Autumn uses techniques from Eureka Math to add two numbers, including 999+64. Continue reading

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Common Core, Eureka Math shake up Louisiana classrooms

Find out the difference between the Common Core State Standards and the Eureka Math Curriculum from Phil Daro and Lynne Munson in this article by Jessica Williams. Continue reading

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Interview with Thomas Lam on electrical networks

Today we talk with Thomas Lam, professor of mathematics at the University of Michigan, about electrical networks. Geometry and Topology Today is a “news show” on state-of-the-art mathematics research discussed for a general audience. Continue reading

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EdReports.org’s Review of Eureka Math

Only one curriculum stood out from the pack. Can you guess which one? Continue reading

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The Mardi Gras Problem

At a recent family-friendly Mardi Gras parade, Autumn and I wondered: How many beads does a float rider need to buy for a Mardi Gras parade? Continue reading

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Fluency without Equivocation

What is the difference between fluency and blind memorization, and how does the EngageNY math curriculum achieve automaticity? Read on to find out! Continue reading

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Multiplying by 9

In this video, 6-year-old Autumn shows how easy it is to multiply by 9. Watch her multiply 18×9 in her head and explain how she did it! Continue reading

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Learning to Multiply, Part III

In the grand finale and Part III of a three part series, we put the two skills learned in Part I and Part II together to show an easy way to start to learn the basics of multiplying. Continue reading

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Learning to Multiply, Part II

In this video on learning to multiply, Autumn shows how skip count by 10s, 3s, 5s, and 4s. In the grand finale, Part III, we put the skills learned from Part I and Part II together! Continue reading

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Learning to Multiply, Part I

Intended Audience:¬†Teachers and parents of K-5 students This Growing Up With Eureka video is Part I of a three part series on how to start the process of learning to multiply with your¬†child/students. By “start the process” I mean we … Continue reading

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Line arrangements from an advanced perspective

We continue our conversation with mathematician Moshe Cohen, who now discusses line arrangements from an advanced perspective. Continue reading

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Meet some of the writers of Eureka Math

What I love about this short video is that it highlights three of the many talented teacher-writers that worked on Eureka Math with me. Continue reading

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Interview with Moshe Cohen

Geometry and Topology Today is a “news show” on state-of-the-art mathematics research discussed for a general audience (including young people in high school). Today we talk with Moshe Cohen. Continue reading

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100th Day of School

On the 100th day of first grade, Autumn asked me if we could do a Growing Up With Eureka based upon the day. Well, yes, of course! Continue reading

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Making Science Cool: Solving the Shortage of Math and Science Students

In 2011 I was invited by U.S. News and World Report to sit on a panel to discuss how to get students excited about STEM. Continue reading

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