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Pass the Pi: A Hands On Pi Day Investigation

February 22, 2016

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No matter the age of your kids, Pi Day (aka March 14th) is a fantastic opportunity to explore math concepts! There are so many things to teach and explore related to the number pi, the circumference or diameter of a circle, or some math history related to this fascinating number. I’m always on the lookout for fun Pi Day learning activities, and have already shared this simple Pi Day Sing Along to get kids of all ages in on the fun. Today I’m sharing a hands on Pi Day investigation to help older kids understand the number pi.

This hands on geometry lesson is perfect for pi day!! Explore the relationship between circumference and diameter in order to understand the number pi!

*Please Note: This post contains affiliate links which help support the work of this site. Read our full disclosure here.*

Materials Needed for this Hands On Pi Day Investigation:

  • Circular objects
  • Measuring tape or ruler
  • String (if you’re using a ruler to measure)

To Complete the Investigation:

The student handout included guides students through each step.

First they will need to measure the circumference and diameter of various circular objects (I like to use fun food such as pie or cookies, but anything circular will work 😉 ).

If students are not familiar with these measurements, take time to go over them before you start.

They then record the answers in their table and calculate the ratio.

Hopefully if students measure accurately, their ratio should be approximately the number pi, and their average should be an even closer approximation.

After completing the table and discussion questions, discuss the results together as a group!

Also included in this download are teaching tips.

And if you like, this lesson would go along perfectly with the book, Sir Cumference and the Dragon of Pi. (You can also get more lessons to use with the book when you subscribe to my free email newsletter!)

I hope you have a fantastic Pi Day celebration, and learn all about circles, measurement, pi and irrational numbers! 🙂

This hands on geometry lesson is perfect for pi day!! Explore the relationship between circumference and diameter in order to understand the number pi!

{Click HERE to go to my shop to get your copy of the hands on Pi Day investigation!}

Looking for more Pi Day ideas? Check out this ever growing list of videos, lessons and games for Pi Day fun!

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Filed Under: Free Printables, Geometry, Grades 4-5, Grades 6-8, Hands on, PI Day Tagged With: circles, circumference, diameter, geometry, irrational number, measurement, pi day

Trackbacks

  1. FREE Pi Day Investigation Pack | Free Homeschool Deals © says:
    March 7, 2016 at 12:02 am

    […] at Math Geek Mama! This FREE Pi Day sing along is a fun way to celebrate for all ages, and the FREE hands-on investigation is the perfect way for older kids to learn where the number pi comes […]

  2. HUGE List of FREE Homeschool Curriculum & Resources - Money Saving Mom® says:
    March 11, 2016 at 8:30 am

    […] Study Pi day with a FREE Pi Day Investigation Pack. […]

  3. Free Printable Pi Day Math Investigation Activity - Money Saving Mom® says:
    March 12, 2016 at 8:35 am

    […] Download a free printable Pi Day math investigation activity. […]

  4. Free Pi Day Math Investigation says:
    March 14, 2017 at 6:02 pm

    […] Geek Mama has a free Pi Day Math Investigation Pack available for download.  This pack includes circles, circumference, diameters, pi, and irrational […]

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I'm Bethany, a.k.a Math Geek Mama. I believe every child can succeed in math with the right help and support. So I'm here to help you provide rich and engaging math lessons without sacrificing your entire weekend. Learn more about the resources I create HERE.
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