Sharing a nice problem from Fermat’s library with the boys

Saw this tweet from Fermat’s Library earlier today:

I was interested to see how the boys would approach this problem – and that was fun to hear. Unfortunately this project got way off the rails at the end when I tried to explain my solution to them. One of those unfortunate moments where something was clear to me but I was not communicating it well at all. I say it a lot in these blog posts – but they don’t all go well.

Here’s my older son’s solution:

Here’s my younger son’s version:

Next we move to me explaining my solution. This part did not go well at all:

Here’s the second part of the explanation of my solution. Neither kid likes my approach. Given the presentation, I’m not surprised at all

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