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.

Short notes

Short notes

I passed a lovely morning with some math teacher friends at the Museum of Math in New York City today. Sadly, I did not have Griffin or Tabitha along. We would have had a ball. I have three observations... One. There is lots for kids to do there. It is truly a...

M&Ms

M&Ms

Dessert is a good time to get the children’s attention for a little math talk. A few weeks back, a smallish serving of M&Ms was about to be given to each child, from a large one-pound bag. In keeping with my assertion that a day should never pass without asking...

Summer project (1 of 3)

Summer project (1 of 3)

The Minnesota State Fair is a fabulous event (Twelve days of fun ending Labor Day!). Rachel and I love the Fair, and we have passed this love along to our children. Griffin must have been thinking about the wonders of the State Fair as summer slowly (oh, so...

How many fives in an hour?

How many fives in an hour?

Our local public library has a summer reading incentive program. Children keep track of the amount of time they spend reading, and when they reach 20 hours they get a prize. Some of the prizes are good, including a ticket to the State Fair. To keep track of their...