Numbers, Shapes & Proofs
Ten questions on the mathematics that turns up outside the classroom, each explained in plain language.
About this topic
This quiz sticks to the mathematics that stays useful after school: the value of pi, what makes a number prime, why the angles of a triangle behave predictably, and what the words mean when people use them loosely. It also touches the history, including where the numeral zero came from, which is a better story than most textbooks allow room for. The explanations avoid notation wherever possible and describe what each rule is actually saying. No mental arithmetic under time pressure.
Frequently Asked Questions
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Each correct answer awards 10 XP. There is zero point penalty for incorrect guesses, encouraging learning through exploration.
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