Coins in the Squares

This activity involves guessing whether coins will fall entirely within squares in a grid of squares. Basically the idea is to throw 10 coins onto a sheet of paper. When you do this, some will…

Playing SET with Furbles

Furbles are an amazing way to get into the idea of data handling. Furbles make the idea of properties of a set much clearer by the fact that there are only 3 properties that you…

Sorting Data

We sort all kinds of data into categories. This is a large part of the impact on computer science on our lives – the ability for a computer to sort large amounts of data extremely…

Online Lowest Unique Number Ballot

Select your group size102050 The Online version of the Lowest Unique Number Ballot is here. You can try it by clicking this link – Online Lowest Unique Number Ballot The rules are simple. Enter your…

Lowest Unique Number Ballot

This week’s challenge doesn’t seem to be a challenge at all. All you have to do is put your name and number on a piece of paper and wait to see the results. We tried…

The Bottle Flip Experiment

The bottle flip needs little introduction to any parent who has primary aged children. It has been around for a couple of years and seems to still be going strong. Here’s a video that should…