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.

Baking cookies

Baking cookies

Talking Math with Other People's Kids Month rolls along... Jennifer Lawler wrote up the following conversation on her blog. --- Jennifer is in the kitchen baking chocolate chip cookies when her son Ian (8 years old) wanders in and observes her methods. She has put...

Legos

Legos

The dirty little secret about Legos is how very many pieces there are to be cleaned up after building. And how very ugly the clean-up battle can become. I try to keep calm. I try to turn the clean-up battle into math talk from time to time. Here is how it played...

cheezit cracker
Big Cheez-Its

Big Cheez-Its

There are now BIG Cheez-Its (U.S. only, it appears). The package claims that they are "Twice the size!" of regular Cheez-Its. Naturally, I bought some a few months back. I asked Tabitha (6 years old) and Griffin (8 years old at the time) what they thought. I...

The meanings of division

The meanings of division

I was talking with Griffin one day when he was in third grade. Me: Do you know what $latex 12\div 2$ is?Griffin (8 years old): 6Me: How do you know that's right?G: 2 times 6 is 12. Me: What about $latex 26 \div 2$?G: 13Me: How do you know...