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World Pi Day

World Pi day is celebrated every year on the 14th of March. This date represents the first 3 digits of pi (3.14). This is also the same day as Albert Einstein’s birthday.

World Pi day was first celebrated in 1988 by American physicist Larry Shaw and his team. They marched around a ‘pi shrine’ a total of 3.14 times. In 2014, March was the month of Pi. In 2015, the year was called the year of Pi (3.1415).

Pi (π) is a Greek symbol used as a constant when finding the area or circumference of a circle. In more technical terms, it is the ratio of the circumference of a circle to its diameter. You may have seen it in your child’s mathematics worksheets, often as 3.14, 22/7 or the constant itself.

‘Diameter’ refers to the distance between 2 ends of a circle, passing through the centre.
‘Circumference’ refers to the outline of the circle.

One of the first uses of Pi were by the ancient Egyptians, who used a different term to describe the method at that time, called the Rhind Papyrus technique. Pi continues to play an important role in our lives today. It can help to calculate the size of a football field, the wheels of a car or even the orbital of a spacecraft.

Now that you know more about the Pi, have a challenge with your child to see who is able to recite more digits in the never-ending series. Have fun!

To let your child learn how to solve word problem questions for circles or other maths concepts, book a trial session with us today.

https://www.piday.org/
https://post.edu/blog/origin-of-pi/#:~:text=The%20earliest%20known%20reference%20to,Subtract%20the%20circle’s%20ninth%20part.

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