Number

Counting, skip counting, fractions, negative numbers, and more.

A sign on a light pole reads "Como Lake. 1.6 miles - 3200 steps around the lake"
A walk around the lake

A walk around the lake

A very snowy winter is turning to a long, slow spring here in Minnesota. It is the kind of spring that makes us joyful for sunny 45° days. So I went for a long walk Sunday afternoon. Together with a meaningful percentage of the population of the city of Saint Paul,...

a young child dips a marshmallow in a cup of cocoa
One Perfect Page

One Perfect Page

I have read a lot of books in the last year. There have been some lovely novels, a bit of nonfiction, parts of a textbook about the mathematics of patterns. Through it all, one page sticks out vividly in my memory, from Grace Lin's The Last Marshmallow. Simple....

Tabitha holding a large onion
Weighing onions

Weighing onions

I have had several conversations with relatively new parents in which the question of how/whether to talk math with babies. I always try to help such parents see math like they see reading. You read with your baby long before she knows what your words mean. An...