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1 | Title of Activity | Materials | Description of Activity | Links | Other notes? | |

2 | Pi Day Party Hats | String Rulers Paper strips Cards or slips of paper glue/tape/staples | Introduce to students that pi is the ratio of a circle's circumference to its diameter. Have each student use the string to measure the circumfernce of their head. Have students (likely with a partner) measure the diameter of their head. Divide these two measurements to get an individual approximation of pi. Use the paper strips to create a headband, and attach a card with the individual pi approximation to the headband. | |||

3 | What Pi Sounds Like | speakers projector | A musician asigns a musical note to each digit and plays the notes in sequence of the digits of pi. | Link to video | ||

4 | Pi Day Paper Chain | paper strips (10 different colors) | Assign each digit 0-9 a color, and assemble a paper chain in the sequence of the digits of pi. | |||

5 | Pi Recitation Contest | prize (optional) | See which student can memorize and recite the most digits of pi. | Digits of Pi Song | Printout of digits of pi | |

6 | Pi Day Pies | circular pies of any variety string ruler | Introduce to students that pi is the ratio of a circle's circumference to its diameter. Have each student use the string to measure the circumfernce of the pie. Have students measure the diameter of the pie. Divide these two measurements to get an approximation of pi. Students record their approximation on a class list, and the class can then calculate the mean approximation to see how close they got to pi | oatmeal pies or moon pies are ideal becuase the are individually wrapped. Students can do the math while the pie is still wrapped, then open and enjoy. This activity can also be done with ANY circular objects. Consider students choosing any circular object from the classroom to complete this activity. | ||

7 | Sir Cumference & The Dragon of Pi | Storybook | Read the book aloud. | Video of someone reading the story | ||

8 | Write Pi-ku poems | A haiku poem is three lines that follow the syllable pattern 5-7-5. A PI-KU poem is three lines that follow the syllable pattern 3-1-4. | Examples and more supporting resources | |||

9 | Pi Skyline | Graph paper colored pencils or markers (optional) | On graph paper, use colored markers or pencils to have students graph the digits of pi using a bar graph format. Once their pi-line skyline is created, invite them to color in the “buildings” and sky, complete with pi-in-the-sky constellations. | Overview of Activity | Printout of digits of pi | |

10 | Learn Facts About Pi | Printables linked | Have students use the infographic, video, and/or fact sheet to learn about pi, and then use the quizzes to test their knowledge! | Infographic | Fact Sheet | |

11 | History of Pi Video | |||||

12 | Pi Day Quiz | Pi Day Quiz (harder) | ||||

13 | Nasa Pi Day Challenge | Slideshow and other resources on the website | Can you use π (pi) to solve these stellar math problems faced by NASA scientists and engineers? | NASA Pi in the Sky Challenge | ||

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