My son had to do a project for his 100th day of first grade. Since I’ve been teaching him binary — he knows the powers of two from 1 to 512 — we decided to incorporate it into his project. His assignment was to assemble 100 objects in a creative way. This is as creative as I get:

# Category: Binary numbers

Articles About Binary Numbers As They Exist Outside of Computers

## A Twelve Cent Binary Calendar

Do you have twelve coins handy? You can lay them out on a piece of cardboard to keep track of the month, day, and day of the week, as shown here at Evil Mad Scientist Laboratories. Here’s the one I made:

## How to Read a Binary Clock

What is a binary clock? Before doing a web search I would have guessed this:

In other words, a regular digital clock, except with binary numerals instead of decimal numerals. But as far as I know, a clock like this doesn’t exist. If you search for “binary clock,” you get a clock of a different design, one like this:

## There Are 10 Types of People …

“There are only 10 types of people in the world: those who understand binary and those who don’t.”

— Unknown.

Figure it out yet?

## Binary Hopscotch

Here’s what hopscotch might look like if you numbered the squares in binary (click on the image in that post to make it legible).