10 Pi Day Activities

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March 14, Albert Einstein’s birthday, also marks the world-wide celebration of the number Pi π.

Why?

3-14 is how we write March 14 in the States.

3.14 is Pi!

So cool, right?

Pi Day Activities

10 ways to celebrate Pi Day

(If you need a quick refresher, to get the area of a circle, measure the circle’s radius, square it, and multiply it by Pi. Area = π x r2 )

Pi is an irrational number. It’s digits never end OR repeat in a pattern. Here are the first 100 digits of Pi: 3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679.

(Pi is also the 16th letter of the Greek alphabet.)


10 Pi Day Activitiessource: BrainlessTales.com

1. Read Sir Cumference and the Dragon of Pi by Cindy Neuschwander.

2. Memorize as many digits as you can in Pi. Winner gets a pie!

3. Make a color-coded pi bracelet or necklace. Do as many digits as you can.
Pi Bracelet

4. Pi(e) party! Find the area of a pie. Then enjoy your tasty treat.

5. Pie wars. Have a pie contest. Who can bake the most delicious pie?

6. Draw the Pi symbol and decorate it with stickers or markers.(π)
Decorate the Pi Symbol.jpg

7. Graph Pi to make a cityscape – a beautiful idea from What Do We Do All Day.
math-art-pi-side-by-side

8. Memorize this trick to help you remember the digits of Pi: “May I have a large container of butter today.” Count the letters in each word and you’ll find: 3 1 4 1 5 9 2 6 5.

9. Find the approximate value for Pi by splitting up a circle and reassembling as a rectangle. Directions on  Math Is Fun.

10. Tell Pi jokes and riddles. Here are some to get you started:

Did you know that 3.14% of all sailors are Pi rates?

Q:What do you get when you take the sun and divide its circumference by its diameter?
A: Pi in the sky.

Whatever you do, don’t talk to Pi. He goes on forever!

Pi Day

Happy Pi Day!

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5 Responses

  1. Natalie F says:

    Thanks for sharing these ideas. We are raising a little math geek and very excited about Pi day. We had a saying in Russian to memorize Pi number. I didn’t know that there is an English mnemonic phrase as well until now. Russian is a little longer though 😀

    1. Natalie,
      What is the Russian saying to memorize Pi number? I’ve never heard it.
      I would love to share it with my kids. Thank you for sharing.

      1. Natalie F says:

        Eto ya znayu i pomnyu prekrasno, no lishnie znaki mne lishni naprasno 🙂

        1. Wow! Great! Thank you so much!
          Learn something new every day! 😉
          Thanks again!

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    Hi! I’m Melissa Taylor, mom, writer, & former elementary teacher & literacy trainer. I love sharing good books & fun learning resources.

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