Geometric Subitizing: A Different Kind of Number Talk

Against the Norm, Algebra, counting, Fact Fluency, Making Math Accessible, Math Tools, Number Sense, Strategy Development

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...

The Task Graveyard

Against the Norm, Intellectual Need, Making Math Accessible, Modeling, Planning, SMPs, Teacher Content, Teaching in a Context

It’s where my ideas go to die.  But like the mighty phoenix, I have one idea for a task that keeps rising from the ashes. It just won’t die. If Bruce Willis was a math task, I’ve seen his face. I can’t help it. I’m fascinated by them. The...

Conservation: The more things change, the more they stay the same

counting, Estimation, K-2, Making Math Accessible, Strategy Development, Teacher Content, Teaching in a Context

Every once in a while I stumble across Piaget’s 7 Conservation Tasks and then I move on. This week was different because my thoughts around conservation won’t go away. In a recent meeting with kindergarten and 1st grade teachers we discussed the importance...

The Progression of Addition and Subtraction

Against the Norm, counting, K-2, Making Math Accessible, Making Sense Series, Math Progressions, Number Sense

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

6-8, Against the Norm, Making Math Accessible, Making Sense Series, Math Progressions, Math Tools, Number Sense, Planning, Strategy Development, Teacher Content

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

Algebra, Making Math Accessible, Number Sense, Strategy Development

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…...
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