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Einstein Was Born On Pi Day

How do you celebrate mathematics?

Interesting Facts in Easy English

Pre-Listening Vocabulary

  • pi (∏): the circumference of a circle divided by its diameter
  • ratio: the relationship between two amounts
  • circumference: the distance around an edge of a circular shape
  • diameter: the line across the centre of a circle
  • coincidentally: by chance
  • theory of relativity: Einstein’s idea that the way that anything (besides light) moves is dependent on the relative movement of the observer

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Einstein Was Born On Pi Day

Pi Day is celebrated on March 14 (3.14), the closest  date to the mathematical number “pi”. Pi, named after a Greek letter (∏), is the ratio of a circle’s circumference divided by its diameter. While the exact value of pi is impossible because it goes on indefinitely without making a pattern, it is typically written as 3.14. Some math and science enthusiasts celebrate Pi Day with contests, while others enjoy pizza (pie) parties! Pi Day originated at a museum in San Francisco in 1988. Coincidentally, March 14 is also Albert birthday. Einstein was a mathematician and physicist who became famous for his theory of .

Comprehension Questions

  1. Which geometric shape is commonly associated with pi?
  2. Why was March 14 chosen as Pi Day?
  3. What physics theory is Einstein well-known for?

Discussion Questions: Do you enjoy studying mathematics? If yes, what do you enjoy about it? If no, why not? How important is it to learn mathematics vocabulary in a second language?

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