Lesson Plan
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#### Discovering Pi/Welcome to Pi Day

For Teachers 9th - 12th
Students explore pi. In this circle measurement lesson, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings. Students compare the...
Instructional Video1:37
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#### Pi Day | All About the Holidays

For Students K - 4th
Pi day is both delicious and informative! Play a short video on Pi Day to explain the basics behind both the holiday and the infinite number.
Activity
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#### Pi Day: The Other Math Holiday!

For Teachers 9th - 12th Standards
Happy Pi Day! This collection of games, experiments, and activities leads participants through an exploration of the many aspects and attributes of that mysterious quantity, pi. Activities range from using statistical experimentation to...
Printables
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#### Pi Notebooking Pages

For Teachers 5th - 8th
What is it about pi that is so captivating? Learners can take notes about pi and other mathematical concepts on one or all five of these different pi-themed pages.
Activity
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#### Pi Day #1a – Discovering Pi

For Students 6th - 10th Standards
Unravel the mystery behind the infamous number pi. Scholars complete a series of activities that explores where pi comes from, its digits and estimation strategies. Pupils should be ready to measure, calculate, and look for patterns to...
Activity
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#### Pi Day

For Teachers 5th - 8th Standards
Did you know a mathematician's favorite dessert is a fruit "pi"? By participating in a fruit cutting activity, young mathematicians realize one constant—the ratio of a circle's circumference to its diameter is always pi. It is a perfect...
Lesson Plan
Lesson Planet: Curated OER

#### Discovery of Pi

For Teachers 8th Standards
Serve up a slice of math for Pi Day! A combination of fun, hands-on lessons and helpful worksheets encourage learners to practice finding the radius, diameter, and circumference of different circles.
Activity
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#### National π Day

For Teachers 4th - 8th Standards
Learners can enjoy pi with pie! A collection of short activities celebrates pi day with a word search, a maze, and real-world problemsn. Using pi in formulas for area, circumference, and volume as well as exploring simple fractions is...
Activity
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#### Let Them Eat Pi

For Teachers 7th - 12th Standards
Looking for a fun and creative way to celebrate Pi Day? Then this is the resource for you. From a scavenger hunt and trivia contest to PowerPoint presentations and skills practice worksheets, this collection of materials is a...
Worksheet
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#### Pi Day

For Students 5th - 10th
ï»¿In this Pi Day worksheet, students complete activities such as reading a passage, phrase matching, fill in the blanks, correct words, multiple choice, spelling sequencing, scrambled sentences, asking questions, take a survey, and...
Lesson Plan
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#### "Pi" Day

For Teachers 8th - 12th
Your class will complete research dealing with Pi and its value in mathematics, leading into a discovery lab to demonstrate Pi, how it is determined, and how it is used. In the end, learners eat PIE!
Printables
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#### Worksheet for Pi

For Students 6th - 8th
Who needs a pie-eating contest when you have a pi-ology game! Celebrate March 14th with a fun board game about pi and other geometric concepts. As learners answer questions about geometry, they move around the board to collect tokens.
Activity
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#### Pi Day Fun!

For Teachers 6th - 8th Standards
In this multi-faceted introduction to pi, participants perform a bevy of pi-related activities. Ranging from measuring household items to singing pi songs and reading pi stories, this fun and non-intimidating resource serves to bring up...
Lesson Plan
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#### Pi Day

For Teachers 9th
Ninth graders explore the concept of pi in preparation for developing a project for pi day. They examine direct variation, the history of pi, circle circumference and arc length, area and sector area and then consider how these concepts...
Lesson Plan
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#### Discovering Pi

For Teachers 9th - 11th
Define terminology related to a circle. Practice accuracy in measuring and then create a spreadsheet based on data collected from solving for parts of a circle. Groups can have fun analyzing their data as it relates to Pi.
Lesson Plan
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#### PI in the SKY

For Teachers 5th - 12th Standards
What is pi anyway?  After this set of activities, your pupils should have multiple answers to this question. Investigate pi with various experiments and discoveries. Calculate the ratio circumference/diameter for different sized circles....
Lesson Planet Article
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#### Having Fun with Pi

For Teachers 4th - 8th
Incorporate some of these great activities for Pi Day in your classroom
Printables
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#### Some Fascinating Properties of π

For Teachers 9th - Higher Ed
Decorate your calculus room! The properties outlined on this poster or handout focus on the more complex attributes of pi by using trigonometry and calculus to boggle the mind.
Activity
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#### The Amazing Pi Race

For Teachers 7th - 12th Standards
Add a sense of excitement to your math class with this race across the country. Using their knowledge of all things circular, young mathematicians work in pairs answering a series of pi-related word problems as they hop from one city to...
Worksheet
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#### A Cardioid for Valentine’s Day

For Students 7th - 12th Standards
It's Valentine's Day in geometry class! Celebrate the day of love with a heart-themed activity in which young mathematicians create a cardioid on polar graph paper.
Lesson Plan
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#### Discovering the Magical Pi

For Teachers 6th - 8th
Students calculate pi using data on the circumference and diameter of various objects. They define key vocabulary terms, measure the circumference and diameter of various circular objects, organize the data on a table or chart, and...
Lesson Plan
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#### History and the Approximations of pi

For Teachers 7th - 8th
Middle schoolers investigate Pi. In this mathematics lesson, learners discuss the history of Pi and determine how the approximation of Pi was discovered.
Lesson Plan
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#### The Pi Line

For Teachers 8th - 11th
Students explore the concept of Pi. In this algebra lesson plan, students discover how to find the circumference and diameter of a circle. Students will determine the circumference of several objects in the room and then plot their data.
Activity
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#### Circular Reasoning

For Students K - 12th Standards
Examine the origin and application of pi in five different levels. The five lessons in the resource begin with an analysis of the relationship between the radius and circumference of a circle. The following lessons lead learners through...