please empty your brain below

Done! Took about a minute to do puzzle 2 but I confess I can't quite work out what puzzle 1 is about.

agree with wilees, managed puzzle 2 in a couple of minutes but don't understand what puzzle 1 is about.

I like these.

Having found one solution for each, I'm now wondering if there is just one soltion or more than one, more thinking required on my part...

I'll be trying these with my students next week. Thanks DG!

Done in about 1 minute

These were too easy. I'm missing something.

Did it in a couple of minutes. A couple of good teatime teasers.

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