# Arithmetic

Eggs

## Eggs

Eggs are inexpensive and come packaged in math.

## Counting avocados, halves, and grapefruits

In which we determine how many grapefruits and avocados there, and observe the brilliance of young children.

Time Zones

## Time Zones

When children hit adolescence, the conversations need to be more about them and their interests. Here's what that looks like.

Cold snap

## Cold snap

Below zero temperatures lead to comparisons of positive and negative numbers, and the solution to 4 – (-1).

Ceiling fan arithmetic

## Ceiling fan arithmetic

What math can you find in a ceiling fan's 3-way settings?

Making eight

## Making eight

I am writing a book. In the process of doing this, I come across homework assignments that parents find frustrating, and that they share on social media. These almost always get me thinking, and they frequently lead to math talks with my children. This past weekend...

A propos of nothing one day, I ask Griffin (9 years old at the time, finishing up fourth grade) a question. Me: Griff, imagine you are baking cookies and you need $latex \frac{3}{4}$ cup of sugar, but you only have a $latex \frac{1}{2}$ cup measure. How would...