March 14th (or 3.14) is Pi Day, and while it's known as a day to eat delicious circular shaped foods, we've also got plenty of activities to get your students excited and appreciative of this special symbol "π". So let's bring on some π!
1. Measure it All!
Find some circular objects at home or around your math class and ask your students to measure the diameter and circumference. Have them divide the circumference by the diameter and see their surprise that the result is always 3.14!
Learn more: layers-of-learning.com
2. Remembering Pi
Ask your students how many numbers in the sequence of π they can recall. The world record for how many numbers have been memorized for pi is currently held by Rajveer Meena at 70,000! Share this with your students, set a timer, and make it a game to see what team can remember the most numbers in a minute! You can give out little circular foods or candies as a price to the winning team.
Learn more: teachpi.org
3. Pie Party
Ask your students to bring in one piece of pie for Pi Day. You can ask your students to get into groups of 4-5 and try to put their slices of pie together to create a circular pie. They may have to cut and change the shapes of their pieces to do so which is a lesson in angles and diameter, and at the end you can all eat!
Learn more: nctm.org
4. Pi History
Give your students a lesson on the history and origins of pi. Archimedes of Syracuse (287–212 BC) was the first mathematician to discover and use the calculated sequence, but the symbol "π" was not adopted and used until the 1700's. In 1988, a physicist Larry Shaw from an exploratorium in San Francisco decided to celebrate the day with tea and fruit pies, which math lovers thought was a great idea, and since then the day has been an annual celebration. However, it wasn't until 2009 that Pi Day was declared a national holiday by the U.S. Congress. How facinating!
Learn more: exploratorium.org
5. Life of Pi
Have a movie day and watch the film "Life of Pi". This movie tackles many relationship and spiritual issues regarding the main character and his struggle. Ask your students to think about Pi and how the character in the movie is connected to the concept of "π" and its calculations in math (Pi's was interested in the infinite and unexplainable world).
Learn more: coursehero.com
6. Need for Speed
Write a long version of pi on the dry erase board (at least 50 numbers) and see who can read it aloud without making any mistakes. Set a timer so they feel rushed and have to speak quickly. This is such a fun way for students to giggle and practice learning the sequence of π.
Learn more: study.com
7. Albert Einstein
Share some insight into Pi Day with these fun facts about a scientist that shares his special day with this special symbol.
Learn more: cnet.com
8. Pi Day Field Trip
There is a list of businesses doing promotions to celebrate Pi Day. You can share this with your students the day before so they can order pizzas from one of these establishments for a pizza party!
Learn more: nationaltoday.com
9. Get Walking!
Celebrate Pi Day with an active tribute to this magical number. Organize a Pi walk of 3.14 miles or kilometers for the school with circle cookies and other treats waiting at the finish line! There are also some opportunities to give back to charities by participating in a walkathon on March 14th!
Learn more: fogala.org
10. Paper Plate Pi
The day before, pass out paper plates to all your students. Give then a digit from π and ask them to go home and write the digit on the plate and decorate it. The following day bring string and hang the students plates up around the room in the order they go in the sequence of π.
Learn more: teachpi.org
11. Musical Chairs
Get your class to move their chairs into a circle pattern and play musical chairs! You can see the circles changing in size as the number of students goes down, and the students who get out can snack on some circle shapes cookies!
Learn more: littleroomunderthestairs.com
12. Student Object Measuring Game
Ask your students to bring in some small circular objects from home to measure in class on Pi Day. Tell them to think outside the box and see what goodies that have to measure for some math fun!
Learn more: study.com
13. Pi Song Writing Contest
Have your students in groups of 4-5 and get them humming and rhyming as they try to write songs inspired by π. You can play them an example or two to give them some ideas and get them started! When the groups finish you can hold a mini talent show and let the students show off their Pi appreciation with some singing/rapping skills.
Learn more: imaginelearning.com
14. Pi Scavenger Hunt
Make a list of circular objects found in your classroom resources or brought from home. When it is activity time, give one list to each group of 3 students have let them look around the classroom for the items on the list. When they find them they must measure and find the ratio (which always equals π)!
Learn more: varsitytutors.com
15. Pi Paper Chain
Arts and crafts are always a fun way to celebrate a holiday, and what better for Pi day than a chain of circles! Get some colorful paper and make these decorative chains with your class this Pi day.
Learn more: instructables.com
16. Pi Day=Puzzle Day
For older math classes, here are some fun Pi related puzzles and sudoku challenges to give your students to test their math skills.
Learn more: mathgeekmama.com
17. Bubbling Fun for Math Geeks
Celebrate Pi and all the magic it brings with a bubble filled day. Make a challenge to see which student can pop the most bubbles! Or even better, see if anyone can catch and measure a bubble (that will definitely get them extra credit!).
Learn more: mathgeekmama.com
18. Pi Inspired Jewelry
Pass out different colored beads and some string to your students. Write the first 10 digits of π on the dry erase board and have the students use the correct number of colored beads to make a Pi inspired bracelet or necklace to take home or show off to their friends!
Learn more: blog.stem-supplies.com
19. Circle Drawing Contest
Give each student a sheet of paper and ask them to draw and cut out a perfect circle without using any assisting tools. Ask them to decorate their circle with Pi related art and at the end of class the students can pick the roundest and prettiest circle for a fun math inspired treat!
Learn more: piday.org
20. Pi Card Game
For this activity get a few decks of cards and take out all the face cards (aces represent 1). Give each student 7 cards and put the deck face down in the middle of the circle. The players must put down the cards in the order of π so first 3, then 1, followed by 4...etc. If the player does not have the required number they pick up a card and it's the next players turn. Someone either plays all of their cards or the deck runs out and the players with the least cards in their hand wins!
Learn more: mathgeekmama.com
21. Taking Our Pi Outside
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Bring your students outside into the school yard and put them in small groups to run around and find circular things at the school to measure. Give each groups measuring tape and see which team measures the most outdoor items!
Learn more: hmhco.com
22. Real-Life Pi
There are many useful Pi resources showing how this sequence is important in a variety of occupations and situations. Find some interesting and inspiring videos to get your students excited about the possibilities of π.
Learn more: pbslearningmedia.org
23. Ready. Set. Think!
Set a timer and have your students write down as many circular things they can think of on a piece of paper. After time is up (1-2 minutes should do), collect the papers and see who could think of the most!
Learn more: edutopia.org
24. The "Joy of Pi"
Set a timer and have your students write down as many circular things they can think of on a piece of paper. After time is up (1-2 minutes should do), collect the papers and see who could think of the most!
Learn more: joyofpi.com
25. Pi Poetry
Ask your students to write a poem with each line using the number of words that corresponds with the sequence of π. This can bring a lot of creativity to the class and encourage your students to write in a special, expressive way!
Learn more: mensaforkids.org
26. Proving Pi
Play around with some simple and explanatory equations using diameter, circumference, area, radius, and other calculations. Math is a great way to celebrate Pi Day!
Learn more: mathgoodies.com
27. Trees are Pi-eautiful!
Bring your class outside and find some trees of different sizes. Bring some measuring tape and send your students to measure the circumference of the trees to calculate the width of the trunk. You can coordinate with teachers of older grades so the students can measure the trees every year and see if they trees grow and the trunk gets bigger!
Learn more: imaginelearning.com
28. Pi in the Sky
On NASA's website they have a list of π inspired math equations focused on STEM and space exploration. Visit their websit and choose a few problems to give your students in older or more advanced math courses.
Learn more: jpl.nasa.gov
29. Balls and Hoops
For especially young students, Pi Day can be a day of playing with circles and understanding how round objects move. Get some rubber balls and hoops and see how they move and can be used. Play some simple games with the ball going through the hoops, rolling the balls on the ground, or jumping through the hoops!
Learn more: scholastic.com
30. An Apple a Day
Think of all the fruits in circular shapes! Celebrate Pi Day by having your students bring in their favorite circular shaped fruit and asking them to measure it. Some may not be perfect circles, but others are close, and afterwards you can make a delicious fruit salad! *You can also do this with circular vegetables too!
Learn more: blog.mindresearch.org
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