Saw this great question on the 2016 UKMT Senior Maths Challenge and wondered whether it would be possible to make some of my own. I had just been teaching Surds and wanted some nice enrichment that linked surds to indices.
I realised that you can nicely create your own by working backwards from the answer (See Below)
So I created a few more!
You can download the PPT here:
Can you try making some yourself?
Chelekmaths 
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