Autumn Baldridge


IMG_2465 - Version 2


This web page documents my daughter Autumn’s journey in learning mathematics. See how she reacts to my mathematics questions (mistakes and all) in her very special video blog.  If you are a teacher of teachers, please feel free to use the videos in your class.  If you are a prospective teacher, watch and try to understand her thinking—you will see her thinking or will want to encourage her thinking in your classes someday.

Recent Posts:

You can use pictures to explain column addition! (3/1/2017) - In this video, Autumn shows how to add two large numbers using column addition (The Addition Algorithm). In the process, she explains how column addition works using pictures. Continue reading
Learning Division Facts: Numbers that are Products of Two 1-digit Numbers (6/27/2016) - In this video, 7-year old Autumn and I show an activity that helps students learn the division facts if they already know the multiplication facts. Continue reading
But Honey, You do know the Multiplication Table! (5/13/2016) - In this video, 7-year-old Autumn proves to herself that she knows the entire multiplication table. Along the way, she summarizes lots of great strategies for learning the facts. Continue reading
Fraction Multiplication via Skip Counting! (4/11/2016) - In this video, 7-year-old Autumn shows how to use skip counting to do fraction multiplication and division. Watch as she calculates 7 x 2/3 as well as 4 4/5 ÷ 2/5 in her head! Continue reading
Can an atom have two nuclei? An inquisitive child wants to know! (3/21/2016) - My 7-year-old daughter, Autumn, recently asked, "Can an atom have two cores (two nuclei)?" Wait, everyone knows that an atom can have only one nucleus. What a silly question. Or is it? Continue reading
Growing up with Eureka Live: Mathematical reasons for introducing a different solution method (12/29/2015) - In this video, 7 year old Autumn answers math questions in front of a live audience! Watch her win everyone's heart. Continue reading
Holiday Math Special: In the 12 Days of Christmas song, which of the presents do you get the most? (12/26/2015) - In this holiday math special video, Autumn asks the question, "In the 12 days of Christmas, which of the presents do you get the most?" Enjoy the singing! Continue reading
Multiplying by 25 (12/22/2015) - In this video, 7-year-old(!) Autumn shows how easy it is to multiply a number by 25. The accompanying article explains why teaching this method is important for preparing children for Algebra. Continue reading
Woman Superhero T-Shirt Challenge (11/25/2015) - Autumn asked, "Why don't you wear a girl superhero T-shirt for our videos, dad?" And I said, "Why not? Absolutely!" But we need your help... Continue reading
Variables made easy (10/16/2015) - In this video, 6-year-old Autumn explains that a variable in an expression can be thought of as a "slot" that a number can be inserted into. Watch her do arithmetic with "slots" (i.e., variables)! Continue reading
Powers of 2 (8/17/2015) - In this video, 6-year-old Autumn explains the meaning of "2 to the power of 4." Continue reading
Something fun: Have you ever used a ruler to measure a Snafoose? (7/21/2015) - Have you ever tried to measure a Snafoose while riding a goose? Continue reading
What is the sum 1+2+3+4+…+24+25? (7/8/2015) - In this video, 6-year-old Autumn shows how she found the sum 1+2+3+4+....+24+25. Continue reading
Skip Counting with Fractions (5/25/2015) - 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
Subtraction Problems with Kittens (4/29/2015) - Watch 6 year-old Autumn use Eureka Math methods to subtract two numbers, including 1017-999 in her head. Continue reading
Pleasurable Adding (4/1/2015) - 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
The Mardi Gras Problem (3/1/2015) - 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 (2/16/2015) - In this video, 6-year-old Autumn shows how easy it is to multiply by 9. Watch her multiply 18x9 in her head and explain how she did it! Continue reading
Learning to Multiply, Part III (2/13/2015) - 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 (2/11/2015) - 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
Learning to Multiply, Part I (2/9/2015) - 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
100th Day of School (2/2/2015) - 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
Autumn Multiplying 6×7, 7×7, 8×7, etc. (1/26/2015) - Autumn and I explore multiplying 6×7, 7×7, 8×7, etc. using unit math. Continue reading
Alice 3 Demonstration (1/26/2015) - 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 (1/26/2015) - Autumn's "famous" for being the little girl in the following video used in the Eureka Math/EngageNY Curriculum: Continue reading
Teaching my 3-year-old to read. (5/29/2012) - See Autumn learning to read at 3 1/2 years old! (She is now an avid reader at 6.) Continue reading

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