10 questions
The Pi Quiz
Ten questions on the history, digits and mathematics of π. No time limit, no signups — just a good old-fashioned trivia challenge.
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About this quiz
Questions cover everything from the basic definition of pi to historical trivia, record-setting computations and the famous Feynman point. Your answers are scored instantly and nothing is saved or sent anywhere.
Need to brush up first? Read our introduction to pi, find out what pi actually is, skim the fun facts, browse the first 10,000 digits, or learn how to memorize pi before the next round. Hosting a classroom party? Grab the Pi Day coloring sheets and trivia questions.