one-to-one correspondence

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...

Counting fingers

Counting fingers

Counting fingers A while back I met a mathematician. He is the husband of a colleague. He found my Talking Math with Your Kids project fascinating and asked repeatedly for additional examples of the conversations I have had with Griffin and Tabitha. He referred to...