# units

How Many? An invitation to #unitchat

## How Many? An invitation to #unitchat

Make math playful with a simple question that has uncountable answers.

Birthday Chocolate

## Birthday Chocolate

A birthday present turns into a quick discussion of fraction division.

Counting grapes

## Counting grapes

The "obvious" becomes complicated after a thoughtful pause.

Units of measurement

## Units of measurement

This post is edited and remixed from a post on my other blog last summer. Loyal reader Jim Doherty wrote in to report the following conversation with his 4-year old daughter Mo. They are on a long drive to a hotel. Mo (4 years old): How far are we?Jim: We are 20...

A short waffles conversation

## A short waffles conversation

Those Eggo mini-waffles are paying off. We had this conversation the other day... Me: There you are, Tabitha. Two sets of waffles. Tabitha (six years old): That's 7. No...8!Me: [washing dishes with my back turned to her] Right. Two sets of four is eight.T:...