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# Measuring Circles and Finding Pi: Circumference and Diameter Inquiry Activity

Product Description
This is an inquiry-based activity and class discussion in which students investigate the relationship between a circle's circumference and the length of its diameter by measuring a variety of circular objects. The scripted class discussion also reinforces data analysis skills of calculating mean and identifying outliers.

Full discussion script included!

This is a great activity for Pi Day, but could also be used any time to cover these concepts.

Take a look at the preview to decide if you would like to purchase this lesson! (Please note that this activity covers the relationship between circumference and diameter. It does not address the area of a circle.)

VA SOL 6.10a: The student will define π (pi) as the ratio of the circumference of a circle to its diameter.
CCSS.MATH.CONTENT.7.G.B.4 Know the formulas for the area and circumference of a circle and use them to solve problems. (This activity only addresses circumference and diameter.)
TEKS 7.5B Describe π as the ratio of the circumference of a circle to its diameter.

What You Get
★teacher notes for set up and a two page lesson plan complete with teacher script for high-level questions and explanations to use for a class discussion
★ two-sided student recording sheet
★1000 Digits of Pie display page
★suggestions and worksheets for two extension and application activities

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Measuring Circles and Finding Pi: Area and Radius Square Inquiry Activity

Last Minute, No-Prep Pi Day Activity Ideas

Egg Coloring Inquiry: Student Designed Controlled Experiments

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Kristin Leigh
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Total Pages
8 pages
N/A
Teaching Duration
1 hour
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