The Irrational WebQuest
The mathematical constant , sometimes written as
Pi, is approximately equal
to 3.14159... Each year, Pi Day is celebrated on March 14 by math enthusiasts around the world.
You have been selected to explore the meaning of Pi and to celebrate Pi Day through online activities.
To prepare for these explorations, you will need to browse some lessons on circumference and area of circles. Next, you will
engage in web-based inquiry to explore the meaning and history of Pi and calculations involving Pi. You will
also explore the history of Pi Day and how it is celebrated. You can then celebrate Pi Day by engaging in online
activities of your own choosing. Links to resources on Pi and Pi Day are provided. These tasks will require a computer, access
to the web, paper and pencil.
Process Part I: Learning About Pi
- Read our Unit on Circumference and
Area of Circles.
- Complete the exercises at the end of each lesson in this unit. .
our Circumference and
- Try our new Interactive
Circle Puzzles with
buttons and timers.
- Visit Pi Day, the official web site for Pi Day.
- Visit The
Exploratorium's Pi Day Celebration.
Process Part II: Learning About the Meaning and History of Pi
- What is the relationship between the symbol
and the word Pi?
- The value of Pi comes from what ratio?
- Why is Pi called a mathematical constant?
- Why does Pi continue infinitely?
- Why is Pi an irrational number?
- How many digits of Pi are known?
- Which mathematicians first used the symbol ?
Process Part III: Learning About Pi Day
- Why is Pi Day celebrated on March 14?
- For how many years has Pi Day been celebrated?
- March 14 is also whose birthday?
- Who tried to find the first calculation of Pi?
Process Part IV: Celebrating Pi Day
Spend a few hours celebrating Pi Day by engaging in online activities. You
may choose activities from the suggested sites listed below. Or find your own
activities by searching Google
Exploratorium's Pi Day Celebration
- The Joy of Pi
Math Forum Pi Day
On Pi Day, one number 'reeks of mystery'
- Pi Day
- Unit on Circumference and Area of Circles.
- Selected worksheets and
puzzles from Math
- Selected websites listed in the Process sections above.
- Search engines
such as Google and
- Note the immediate feedback in the exercises from each lesson above.
- View the solutions to the crossword puzzles above.
- Write about Pi and Pi Day in your math journal.
- Share some of the online Pi Day activities you chose with a classmate or family member.
- Create your own Pi Day activity, such as a song, an image, a poem, or a
- View the Pi Day cartoons and jokes on our
Congratulations! You learned about the meaning and history of Pi. You also
learned about Pi Day and celebrated through activities you found on the web.