1 2 3 4 5 6 7 8 9... ZERO!

Continuing to look at how we got our numbers, we've been looking at zero in 4G.

We looked again at this answer to the "Zero means nothing" question:



We talked about it's two uses, on it's own to represent nothing, and with other numbers, as a place holder.

We also had a look at the first half of this video about the history of zero (the second half gets a bit complicated, so we didn't watch that):


So, in that fort in Gwalior, India, is the oldest zero in the world.

The number 270 is circled

Here's some of our writing about zero:

Always, Sometimes, Never

Today in the Year 4 classes, we had to decide with a partner whether a number of statements were always, sometimes or never true - and then justify our decisions.

Here's an example:

"Zero means nothing."



This is a bit like this little cartoon: