Tag Archives: Scott Baldridge
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
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
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
Ben McCarty plays “Swing that Hammer”
Listen to mathematician Ben McCarty sing “Swing that Hammer” using a Breedlove guitar. Continue reading
Remarks on the History of Ratios
What was the definition of ratio used 2400 years ago? Jim Madden expounds on the different definitions of ratio used throughout the centuries. Continue reading
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
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
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
Meet Mathematician Aaron Lauda
What did mathematician Aaron Lauda do when he proved one of his big theorems? Watch and find out! Continue reading
‘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
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
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
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
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
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
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
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
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
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
Scott Baldridge 