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

## 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

## Singapore Math Adds up for US Teachers

A radio interview I did with Voice of America in 2010. Listen to two of my favorite teachers: Johnette Roberts and Gertie Walls! Continue reading

## Singapore Math Growing in Popularity

An interview with Kim Covington and 12 News from July 1, 2010. Continue reading

## Math Expert Dr. Scott Baldridge on “Singapore Math”

Watch one of my first television interviews. You can easily tell how nervous I am! Continue reading

## Autumn Multiplying 6×7, 7×7, 8×7, etc.

Autumn and I explore multiplying 6×7, 7×7, 8×7, etc. using unit math. Continue reading

Posted in Growing Up With Eureka | | 5 Comments

## Alice 3 Demonstration

This demonstration is by my (then) 5-year-old daughter Autumn. The software program, Alice, is a great way to help students learn the basics of programming games. Continue reading

## Walking up the stairs little girl

Autumn’s “famous” for being the little girl in the following video used in the Eureka Math/EngageNY Curriculum: Continue reading

## Introducing Cube Knots

Cube knots are a special way to represent a knot in 3-dimensional space. Check out this video that “flies through” a trefoil knot! Continue reading

## Is it okay to write, “1 inch = 13 feet?” to set up a scale factor?

Why is this statement incorrect in setting up a ratio relationship? Hint: the = symbol. Continue reading

Posted in Engineering School Mathematics | 7 Comments

## First grade: Is, “3 girls + 2 boys = 3 kids + 2 kids,” a number sentence?

This statement appears to be perfectly okay, but causes problems due to the precise language of mathematics. Continue reading

Posted in Engineering School Mathematics | 4 Comments

## Simple example of Textbook School Mathematics.

An example of Textbook School Mathematics. Continue reading

Posted in Engineering School Mathematics | 20 Comments

## What is a variable? Part II: Expressions.

We describe expressions in this continuation of Part I. Continue reading

Posted in Engineering School Mathematics | 2 Comments

## What is a proportional relationship?

The Common Core State Standards (CCSS) use the term “proportional relationship” throughout the standards. Fortunately, the standards clearly describe what is meant by that term. Continue reading

Posted in Engineering School Mathematics | 1 Comment

## What is a variable? Part I: Symbols.

There are three important types of symbols used in mathematics: constant symbols, placeholder symbols, and operator symbols. Which of the three types is a variable? Continue reading

Posted in Engineering School Mathematics | 3 Comments

## What is a quantity?

Posted in Engineering School Mathematics | 5 Comments

## Eradicating Textbook School Mathematics (TSM)

It is apropos to begin this blog with a short discussion of Textbook School Mathematics (or TSM). Continue reading

Posted in Commentary, Engineering School Mathematics | 11 Comments

## Modeling (24÷3)÷2 = 24÷6

Modeling (24÷3)÷2 = 24÷6 in a way that makes sense to a fifth grader is tricky. Continue reading

Posted in From Zero to Eureka | 5 Comments

## Teaching my 3-year-old to read.

See Autumn learning to read at 3 1/2 years old! (She is now an avid reader at 6.) Continue reading

Posted in Growing Up With Eureka | 3 Comments

## Hello world!

An introduction to my Commentary Channel. Continue reading