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# Flippin' Discs

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Age 11 to 14

Challenge Level

*Flippin' Discs printable sheet*

Imagine you have two discs. Each disc is red on one side and green on the other.

**You flip the discs, and when they land, you win if both discs show the same colour.**

Click "Run Once" to complete a throw. Did you win?

Click a few more times and look at your results after several throws.

Approximately how often do you think you would win if you completed $100$ throws?

Make a prediction and then check it by doing the experiment.

Now click on the purple cog in the top right corner and change the number of discs to $3$. **You win if all the discs show the same colour.**

Can you predict what the probability of winning will be this time?

Check that your prediction matches the results from the interactivity.

Do the same with $4$ and $5$ discs.

Do you notice a pattern in your results? Can you explain it?

Can you explain how to find the probability of winning for $n$ discs?