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## The Progression of Early Number and Counting

If you’re not a pre-k, kindergarten, or 1st-grade teacher, you need to find one and give them a hug after watching this video.  They do the work of an army and many times their work goes unnoticed. There’s so much happening in the early years of school,...

## Geometric Subitizing: A Different Kind of Number Talk

Download the Resource       These Geometric Subitizing Cards have been in beta the past two years. I asked our buddy Joe Schwartz to take them for a test drive last spring and he reported back.  Joe’s all in. How do they work?  Let’s...

## Making Sense of Invert and Multiply

As elementary teachers, we rarely have the opportunity to explore division of a fraction by a fraction.  When we do, it’s normally accompanied with Keep-Change-Flip or the saying “Yours is not the reason why, just invert and multiply.” Both are...

## The Progression of Addition and Subtraction

The more I create… the more I learn.  Here is the 3rd installment of this whole Making Sense Series which has truly forced me to be a better teacher.  A more educated teacher. I can’t stress enough how much I’ve learned from diving into the...

## The Progression of Division

Last month I posted The Progression of Multiplication hoping that a couple of friends and parents would find it helpful.  Well, here’s my stab at the progression of division.  I understand that there’s lots of ways to model division and this is only ONE of...

## The Post-it Holds the Mystery Number

There’s no denying the power of the Post-it.  Many brilliant minds within the #MTBoS have harnessed its’ power to help students make sense of mathematics and this week was no different. Only this time we infused them into a Marilyn Burns must have…...