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# Pi Day Activity - Circle Investigation: Discovering Pi and Area & Circumference

Rated 4.84 out of 5, based on 37 reviews
37 Ratings
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Math by the Mountain
2.3k Followers
7th - 10th
Subjects
Resource Type
Standards
Formats Included
• PDF
Pages
8 + TOU
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Math by the Mountain
2.3k Followers
##### Also included in
1. If you looking for somthing fun to do on Pi Day, but you also want it to be a worthwhile experience for your students, then look no further! This duo of activities is the perfect way to celebrate Pi Day (or just review circle basics, when needed). What's included?Circle Investigation - Deriving Pi,
Price \$4.25Original Price \$5.50Save \$1.25

### Description

This investigation is perfect for helping students to understand what pi represents and why it's equal to 3.14. After discovering pi, students move on to derive the formulas for both the circumference and area of a circle. This activity is very hands on (much like a science lab) and really makes students think and generalize their answers! It's also perfect for a Pi Day activity!

Even if your students already know the formulas for circumference and area, it's totally worth doing this activity because many students don't actually know where those formulas came from...they've just been using memorized formulas for years!

In order to complete this activity you will need:

• string
• scissors
• yard stick / meter stick / measuring tape (something to measure with that's longer than a traditional ruler).
• (optional) tape

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If you ever have an issue, please send me an email at mathbythemountain@gmail.com and give me a chance to fix it before leaving a review! I always love having happy customers.

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©Math by the Mountain, 2019. Products provided by Math by the Mountain are intended for the uses of one teacher only. All rights reserved. This purchase is non-transferable and is intended for single-classroom use only. If multiple teachers in a department, building, or district wish to use this product, then an according number of licenses must be purchased. No part of this product may be reproduced, distributed, or shared with physical or electronic copies. Furthermore, under no circumstances can any product or portion of a product purchased from the Math by the Mountain TPT store be posted on the internet, even for personal classroom websites.

Total Pages
8 + TOU
Included
Teaching Duration
N/A
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### Standards

to see state-specific standards (only available in the US).
Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.