What is the mathematical constant represented by the symbol π (pi)?
What is the mathematical constant represented by the symbol π (pi)?
Read the Newsela articles to learn about the history and context of Pi Day! 🥧 🔵 🗓️
Newsela articles:
What is the mathematical constant represented by the symbol π (pi)?
Which ancient civilization is credited with one of the earliest known approximations of the value of π?
Photo: Wikimedia Commons
Which dessert is most commonly associated with this day?
Which Greek letter is used to represent the mathematical constant π?
Pi is an irrational number.
What is the relationship between the circumference of a circle and its diameter?
Match the following individuals with their contributions to the understanding and calculation of pi.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Isaac Newton | arrow_right_alt | Introduced the concept of pi as the ratio of a circle's circumference to its diameter |
Archimedes | arrow_right_alt | Calculated pi to an accuracy of 7 decimal places using inscribed and circumscribed polygons |
Liu Hui | arrow_right_alt | Proposed the most accurate method for the calculation of pi using polygons |
Christoph Grienberger | arrow_right_alt | Approximated pi as 3.1416 and calculated the value of pi to five decimal places using a polygonal algorithm |
Zu Chongzhi | arrow_right_alt | Developed a series expansion formula involving inverse trigonometric functions to calculate pi |
In what ways can π be used in real-world scenarios?
Photo: Manfred Werner/Wikimedia Commons
Why is Pi Day celebrated on March 14th?
