
The Nines Trick
And why maybe your fingers are magical
Questions, thoughts, and wonderings about math, education, and math education
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And why maybe your fingers are magical

Why fingers aren't magical

And why we actually want both

The reality in many schools right now and what to do about it

How one teaching move can transform student understanding

And also, it's spring.

And what to use instead
and why we should disregard the rules

How we unintentionally limit students and how to stop

...they're the experts in the room!

Administrators, please just put down the phone

Also known as mathematizing the world

There’s been a lot of talk recently about “The American Math Crisis” ( here , here , and here , for starters). After a steady rise in standardized test scores from the 1990s to the aughts, scores began declining around 2013. Students aren’t prepared for college! Test scores keep dropping! Grade inflation is everywhere! And don’t get me started on cellphones! (Seriously, don’t get me started on…

“Help!” the text reads. “My son has no idea how to do this problem. How do I help him?” I got this message from one of my friends last night. This was the picture accompanying the message: Not what you were expecting, right? That friend’s son is in second grade with my daughter, and I’ve been getting texts like this from several parent friends since our kids were in kindergarten. These parents are…

Why we have to believe students CAN

I had planned for this second post to be part 2 of the Cake Method (yes, they have cake in Algebra 2 as well!), but I need to interrupt my own thinking to praise teachers. I saw a reel on Facebook recently ( translation: I’m old ) titled Jobs Teachers Didn’t Sign Up For . It starts with being a technician (copy machine repair person), then moves on to detective (mediating student conflicts),…

I was in a 6th grade classroom the other day where the teacher had asked the students to find the GCF and LCM of 12 and 24. I peered over students’ shoulders, expecting to see lists of factors of each number or perhaps a prime factorization tree. Instead I saw this: Huh, must be a new way of factoring, I thought. Setting aside my concern that nobody in the class of eighteen recognized right away…

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