Number partners are pairs of numbers that add to a third number. Given the landmark quality of powers of ten in our counting system, partners of powers of ten(1.0, 10, 100, 1000, etc) are immensely useful tools....

I was recently at the Florida leadership conference, FAMS, working with leaders and ran into Howie Hua, and we had a great conversation. Fantastic guy. You can listen to Kim and I discussing it **here**.

In that...

Peter Liljedahl’s *Building Thinking Classrooms *is full of fantastic work. So much so, I’ve got 4 podcast **episodes** talking about it. I don’t agree exactly with everything he says, but studying it...

A thing I get asked about is the difference between focusing questions and funneling questions.

You may have already noticed that there’s something off with what I just said.

That’s because when...

Episode 147 of my podcast, Math is Figure-Out-Able with Pam Harris, is all about using area models to building intuition with the square unit of measurement for area.

I start off by modeling a problem string with...

Throughout this series we have discussed each of the stages of the Development of Mathematical Reasoning. In order to identify where students are in their development and to nudge them to more...

Have you taken **THE QUIZ**?

**In the quiz post**, I make the case that our *perceptions* of what mathematics is and what it means to teach mathematics **influence** the way that...

When I travel around the country and visit teachers in classrooms, one of the things I notice is that the word strategy and model are sometimes used interchangeably.

What is the difference between a **...**

Hey fellow mathematicians!

Many of you will be happy to know that what you have been asking for is now available - video of teachers in REAL classrooms with REAL students. We provide these to you for free, but...

Since I posted the graphic and blogs about the **Development of Mathematical Reasoning**, I have gotten questions.

One of those questions is: But Pam, why isn’t it okay to...

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