Tags are the future. What’s good about that is ...

Try these 3 multiple choice questions from the 2021 Shanghai Gao Kao

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Professor Snape has 64 cards, numbered with consecutive integers from 2 to 65.…

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The Puzzle

Analysing Baby Names: Bar Chart + Word Clouds

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Russell Lim

I teach high school mathematics in Melbourne, Australia. I like thinking about interesting problems and learning new things.

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