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.
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....

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...

Griffin in front of huge walleye statue
Nights of Camping

Nights of Camping

The following conversation took place in the run-up to our annual summer camping trip recently. Rachel has no interest in camping, so this ritual is all mine. I started the little ones young with a one-night trip within an hour from home so that we could come home...

Hints at Holiday

Hints at Holiday

I told an abbreviated version of the following story on my math-teacher blog, where I used it to drive home a point to my colleagues. This version is for parents. --- My wife had been out of town for several days. I was tired of doing all the cooking and dishes. It...

What makes a sandwich

What makes a sandwich

The 3-year old daughter of fellow Minnesotan, fellow math teacher and friend Megan Schmidt made the following proclamation a couple weeks back. It takes three things to make a sandwich #Tmwyk— Megan Schmidt (@Veganmathbeagle) May 23, 2014 This simple...