“Just try it on!”
July 14, 2017Spanglish is one of those movies that grows on you. A coming to America story filled with themes that move us: a dedicated and resourceful… Continue
“Algebra before Acne”
June 14, 2017As I was again reading the Common Core Standards, I was struck by their introduction of variables in grade 6. Jim, I could not help… Continue
209 to 7
February 10, 2015If a mathematician were asked what these two numbers had in common, she might wonder if they were both primes. They are not. A gambler… Continue
9 Reasons for Using Spreadsheets in Schools
July 22, 2021Spreadsheets are equity platforms available to all students at no cost. They can give every student a fresh start in math. Spreadsheets from Microsoft, Google,… Continue
A Book or a Course?
September 13, 2018I have long loved Maxwell’s Equations as the epitome of beauty in physics and as the source of inspiration for my teaching. But though the… Continue
A Maker of Patterns
April 25, 2016G.H. Hardy, one of the greatest mathematicians of the 20th century wrote this: A mathematician, like a painter or a poet, is a maker of patterns.… Continue
A Very Good Year
March 8, 2019I feel most fortunate when I have a year I get to work on a new great idea in it. This past year has thus… Continue
Another Sunday Ritual Soon Gone
June 1, 2015When I was a kid, Sundays in the summer were car washing days. The stores were closed. The roads were generally quiet. And we took… Continue
Back- to-School – add 10%
September 8, 2016It was forty years ago this September that I started my career as a high school mathematics teacher, a career that spanned 36+ continuous years.… Continue
Balance
June 16, 2016As I watched a young woman the other day learning to ride her bike, zigzagging down the street, desperately trying to keep her balance, I… Continue
Baseball and Math
October 29, 2018If you are a Bostonian by address, birth, or just a connection, you can’t help but be full of pride this morning for your baseball… Continue
Black Hole
April 11, 2019This picture made the front page of the New York Times this morning. It is not very often that a science experiment makes the headlines… Continue
Change
October 26, 2016“Today, it seems as if nearly everyone agrees that high school mathematics needs to change. For far too long high school mathematics has not worked… Continue
Cloisters
June 15, 2017I like to hang out in the Harvard Graduate School of Education library. It has a good vibe, is usually full of students focused on… Continue
Collaboration is Cheating?
June 29, 2017One of the four C’s, perhaps for many the most important 21st century skill, is considered in our schools, cheating. Students caught talking to each… Continue
Connections not Collections
June 2, 2020Museums were one of the great inventions of the 19th century. People loved collecting, collecting all sorts, and often funded buildings to display those collections… Continue
Curiosity
June 11, 2018The words curious and curiosity do not appear in the Mathematics Common Core Standards document, yet they are arguably the most important words in mathematics… Continue
Empathy
June 6, 2017Empathy is an odd idea to discuss in math or even in STEM/STEAM education. It is usually thought of as an issue in psychology or… Continue
Exhausted
February 12, 2018Teaching done right has always been a hard job, but it is now substantially harder. Talk to any teacher and they will tell you that… Continue
Explorations
April 7, 2020Welcome to the first of our new Explorations. Joining the work of What if Math and Education Resources Consortium (ERC), Explorations provide students with a… Continue
Function Machines
June 29, 2016I do not know who, when, or where this iconic mathematical representation was developed. It is, however, one of the most powerful and ubiquitous of… Continue
Functional Thinking
July 5, 2018We call our problem-solving process, functional thinking. When we apply functional thinking to digital age problem solving, we find a few fundamental models give us… Continue
Functional Thinking
April 11, 2017We call our problem solving process, functional thinking. When we apply functional thinking to problem solving in the digital age, we find that a few… Continue
Headmath vs. Handmath
February 9, 2015There are really two kinds of mathematics we do every day. I like to call one headmath and the other handmath, one is the mental… Continue
Independent Learners
June 4, 2020Perhaps the most profound and lasting effect of the Covid Virus pandemic on our economy will be in the change in the way people work.… Continue
Is the Textbook Dead?
July 24, 2018It caught my eye, this headline/story posted on EdWeek recently. Seems there was a panel at a conference that was supposed to debate what they… Continue
Learning as a Creative Experience
January 1, 2015We are in a time of dramatic, some would say, revolutionary change in education, “challenging” as Sir Ken Robinson says, “what we take for granted.” His… Continue
Learning Math as a Creative Experience
April 20, 2016As mathematics takes an increasing role in work and life, creativity must become central to its learning, because: 1) creativity and creative problem solving are… Continue
Learning to Swim
January 25, 2018The University of Chicago is not known for its athletics, so when I entered it as a first-year student I was very surprised that I… Continue
Lynn Steen
June 24, 2015My fortune cookie today read, “If you’re happy, you’re successful.” Usually for me that is true, but not today. For during that same lunch my… Continue
Mastery
July 20, 2016The word seems so benign. Yet it has become the goto word in education. School superintendents, even the best and most advanced of them, use… Continue
Math as a Laboratory Science
April 17, 2018Math is not only the last letter in STEM or STEAM, it is the only one that we do not picture as experimental. We don’t… Continue
Math is Hard
April 10, 2019In a magazine published for college trustees, a recent short article captured the latest statistics from the ACT and SAT tests. The downward trend was… Continue
Minkowski’s Connections
June 23, 2017I still feel it months later, the thrill and awe I knew from finding an answer to a question I have long been troubled by.… Continue
My Favorite Teacher
February 26, 2020Walt Hunter was a quiet man, slight and balding with a Great Plains accent. You might mark him as a teacher, but likely not the… Continue
My Mentors
March 27, 2020Recently, in a history of physics magazine, I came across this picture and a short story on Harvard Project Physics, and I thought about the… Continue
My New Book
March 25, 2020Our education model is broken. Despite the economic promise of and documented need for a bachelor’s degree: graduation rates are stagnant, achievement gaps are widening,… Continue
Opportunity for Creativity
June 3, 2015I just looked at a wonderful short video by Sir Ken Robinson on creativity at https://youtu.be/63NTB7oObtw in which he describes creativity as a process that… Continue
Over the Rainbow
June 13, 2016Over the Rainbow by Harold Arlen and E. Y. Harburg is considered the greatest song of the century and the greatest song in a movie… Continue
Personalized Learning
July 7, 2016These two words have caught the imagination of educators and parents. They were designed to be the frames for talking about the value of digital… Continue
Personalizing Learning
June 14, 2018Envisioning technology that reinvents our schools not automates them should, I believe, be our goal and our dream for personalizing learning. Continue
Real Feedback vs Artificial Feedback
January 8, 2018Math Blaster was the biggest hit educational product in the 1980’s, the first decade of the personal computer age. Flying saucer like objects would vaporize… Continue
Revolutionary Math
March 1, 2018Cape Cod in the winter is one of those marvelous places filled with interesting shops and people waiting in the quiet winter time for the… Continue
Rows and Columns
May 24, 2018This picture from a recent blog post sends shivers down my spine. It is our picture of a “modern” classroom with the desks lined up… Continue
Rule of 72
June 19, 2017The Genius Behind Accounting Shortcut? It Wasn’t Einstein The Rule of 72 is a nifty shortcut for estimating investment returns; first published mention was in… Continue
Small Changes
October 7, 2014Small changes, seemingly inconsequential acts, can have momentous repercussions. Dead birds set off the environmental movement. An assassin’s bullet protesting an exhausted empire started a… Continue
Spreadsheets and the Rule of Four
October 29, 2014A little over 20 years ago the Harvard Calculus Consortium sought to remake the calculus curriculum. “We believe that the calculus curriculum needs to be… Continue
Stand and Deliver
June 20, 2016It was an appropriate title for the movie about Jaime Escalante and it is an appropriate title for the role that teachers continue to play.… Continue
StudySoup
August 6, 2022We are pleased to be featured in Continue
The Bit
February 21, 2018The key to the digital age is also the key to learning algebra. Despite what many of us may believe, our digital age did not… Continue
The Challenge of New
December 21, 2017One hundred years ago my father at age 9 entered America. He had traveled from his birthplace in a town in what is now Ukraine… Continue
The Democratization of Knowledge
December 13, 2017On this 10th anniversary of the iPhone it is worth remembering that this invention, as world-changing as it was, will not be deemed the most… Continue
The End
July 18, 2016Despite the many attempts to codify the creative process, it is as surprisingly individualistic as it is human. John Irving, author of iconic works like… Continue
The First Graph
April 5, 2017This picture was first published in 1638! It is from Galileo’s great work Two New Sciences, that he smuggled out of his home imprisonment in… Continue
The Great American Probability Machine
October 22, 2015This program started my career in digital learning. I bought my first computer, an Apple II in February 1978 on their first anniversary. I talked… Continue
The Hardest Question
June 28, 2018What is the hardest question a teacher has to answer? As teachers, especially math teachers, we face this most painful question all too often, rarely… Continue
The Hawthorne Effect
June 16, 2015To make its workers more productive, the Western Electric Company, makers of phones and other parts for the Bell Telephone System, conducted one of the… Continue
The Los Alamos Primer
June 5, 2018Or how to build an atomic bomb. One of the best curriculum ideas I ever had was to use this book as the text for… Continue
The Magic Wand
April 8, 2015What if I could give you a magic wand to wave over our educational system and make it fulfill our dreams for our children? What… Continue
The Math Guys
January 24, 2020Our good friend Larry Myatt, one of the great thinkers and leaders on the future of education, recently sent out a New Years greeting that… Continue
The Problem with MOOCs
July 9, 2018When MOOCs were the rage in higher education, I asked my friend David Kaiser, a physicist and professor of the history of science at MIT,… Continue
The Science of Patterns
October 23, 2015As Lynn Steen said, mathematics is the study of patterns, the “science of patterns”. We focus and want students to focus on patterns, on seeing… Continue
The Summer Challenge Problem of the Week
May 1, 2016“How do you keep students engaged in math while they are having fun?” We think we have come up with the perfect solution for teachers… Continue
The Tour
November 20, 2017Take this tour of functional thinking applied to the key concepts of mathematics. Visualize and experience the power of the spreadsheet to unify and simplify… Continue
This is Why I Love Graphs!
March 2, 2018This graph appeared on one of my favorite websites – Statista. Given the “breaking news” of the day, that the President wants to impose new… Continue
Touching the Sun
August 13, 2018The Parker Solar Probe was launched yesterday to study the sun. Sixty years ago, Eugene Parker launched my scientific career. A young physics research scientist… Continue
Tradition, Tradition
October 28, 2016As part of the process of designing and developing new Labs, I visit math content sites all the time to help me think about the… Continue
Tradition, Tradition
May 20, 2015Today, I attended an ancient ceremony. It is called “Hooding”. An elaborate and beautiful hood is given to students who have completed their scholarship and… Continue
Welcome to What if Math
January 19, 2015Three years ago I read a wonderful book by Keith Devlin called The Man of Numbers. It told the story of Leonardo of Pisa who was… Continue
What Algebra?
August 10, 2016Each summer, as schools get ready for a new school year, the question returns, “Should we be teaching algebra to our children?” it seems to… Continue
What if?
September 11, 2015My favorite question is, “Why?” (And my favorite answer is, “Because.”) But not far behind is the question, “What if?” Read about us on my… Continue
What if…
March 16, 2016“Rather than ask why our students fail to measure up, this film asks us to reconsider the greater purpose of education. What if our education… Continue
Why do we have to Learn the Quadratic Formula?
November 4, 2020Mastering the quadratic formula has long been the culmination of the high school algebra courses, the capstone of “Algebra I and Algebra 2”. We endeavor… Continue