I think this works well as a paired consolidation activity. Based on the popular board game, but rather than identifying people, you are identifying graphs and rather than asking about hair colour, you are asking about gradient, y-intercept, etc.
Full details and graphs to print on a nice big A3 sheet are in this Powerpoint.
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Nice!
If you have the tech available (though tech free does remove the horrors of waiting to login, forgotten passwords etc,) then you might want to check out:
https://teacher.desmos.com/polygraph
for a multitude of variations on this!
all the best,
Nik
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