I asked a student yesterday how to calculate the % of a score...

I asked a student yesterday how to calculate the % of a score for a math test. They did well 75/80.

No idea, but I can get the answer from a phone :-))

I and a few others laughed and asked how does the teacher demonstrate the lessons. Calculator was the answer..
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So easy to blame all and sundry as now we can see global results in a quick turnaround, unlike back for my grand parents time etc.