# 7 and 8 years old

Seven and eight-year-olds are making arguments. They’ll tell you something is true, and why it has to be true. More and more, they see math in the world, and they want to tell you about it.

Talking Shapes with Kids

## Talking Shapes with Kids

I have been spending time talking with kindergarteners, first and second graders in schools about my shapes book (coming from Stenhouse, Spring 2016). Many more school visits are ahead of me. I have written up some reflections for a more teacher-ish audience than...

A tale of two conversations

## A tale of two conversations

What was, what might have been, and what could be....all in a conversation about marshmallows.

Ten hundred Doras

## Ten hundred Doras

There was a while when Tabitha (five and six years old at the time) would try to get away without wearing underpants when she dressed herself. Those days are pretty much over, but I still like to make sure she has done the complete job, so I ask her from time to...

Making eight

## Making eight

How do you know the ways of making eight?

Fun with tiles

## Fun with tiles

It is no secret that one of my proudest achievements is creating a lovely space on Twitter where people share stories of children's math talk. Come read along on the #tmwyk hashtag. That's where I came across this tutorial-in-photos. I decided to make myself some....

Math in the alphabet

## Math in the alphabet

How is the alphabet like or unlike the counting sequence, and what comes after the letter Z?

Pistachios

## Pistachios

My father buys things in bulk. Not the bulk bin, dispense-a-little-bit-into-a-plastic-bag bulk. Costco bulk. Sam's Club bulk. The children and I spent some time with my father and stepmother (who are wonderful, loving people) at the Wisconsin Dells recently. We...

Dots!

## Dots!

The New York Times published an article about Common Core homework this week. As is going to be the case with a news article (in contrast to say, a post on a blog dedicated to children's mathematical ideas), one can't really learn any mathematics from the...