Activity
Texas Instruments

Texas Instruments: Discovering Pi

For Teachers 9th - 10th
Students will measure the circumference and diameter of round objects. They will send in their measurements through TI-Navigator and discover the relationship between the circumference and diameter.
Activity
Texas Instruments

Texas Instruments: Predicting Pi

For Teachers 6th - 8th
In this activity, students explore the use of linear measurement and calculators to discover the existence of pi, the constant ratio between the circumference and the diameter of a circle.
Activity
Texas Instruments

Texas Instruments: Approximation of Pi Using Archimedes' Method

For Teachers 9th - 10th
Students can use trigonometric ratios to discover the circumference of regular polygons inscribed within and circumscribed about a circle. These ratios will help approximate a value of pi.
Lesson Plan
Alabama Learning Exchange

Alex: Discovering Pi

For Teachers 6th - 8th
This lesson allows students to discover the number Pi. By measuring real life objects, students will get to see where the number Pi comes from as well as how the circumference formula is derived.This lesson plan was created as a result...
Activity
TeachEngineering

Teach Engineering: Let's Take a Slice of Pi

For Teachers 4th - 5th
Working as a team, students discover that the value of pi (3.1415926) is a constant and applies to all different sized circles. The team builds a basic robot and programs it to travel in a circular motion. A marker attached to the robot...
Activity
BBC

Bbc: Bitesize Review Circle Introduction

For Students 5th - 9th
Do you need to learn about Pi, circumference, or the area of a circle or just have a quick refresher about them? This British web site will take you through the basics and offers a quick on-line test to help you check your understanding.
Lesson Plan
Alabama Learning Exchange

Alex: "Introducing Pi!"

For Teachers 6th - 8th
The overriding purpose of the lesson is to actively engage students in learning activities that promote opportunities for students to discover the 'meaning' of pi. Activities will include research, hands-on, software applications,...
Lesson Plan
OER Commons

Oer Commons: Measuring Circles

For Teachers 7th
Seventh graders will measure the circumference and diameter of round things in the classroom and discover the ratio pi. They will see that the ratio of a circle's circumference to its diameter can be used to solve for the circumference...