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History and the Approximations of pi
Middle schoolers investigate Pi. For this mathematics lesson, learners discuss the history of Pi and determine how the approximation of Pi was discovered.
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Buffon's Needle An Analysis and Simulation
If you dropped a needle on a lined sheet of paper what is the probability that the needle will cross one of the lines on the page? Surprise your class with how calculating this probability can approximate pi. This question is known as...
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Discovering Pi
In this math instructional activity, students find the radius, diameter, and circumference of circles when pi is given. Examples are given in this well-designed instructional activity.
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Can You Canula?
Learners calculate the circumference of a circle. For this geometry lesson, students measure the diameter of a circle using micrometers or calipers. They investigate the relationship of the diameter to that of the value of Pi.
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The Circle's Measure
Students explore circumference and diameter. In this math lesson plan, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of...
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"Where Does Pi Come From?"
Fifth graders explore geometry by exploring Pi. In this circle measurement lesson, 5th graders identify the relationship between the radius, diameter and circumference of a circle and how Pi is the key to unlocking any circular...
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Trigonometric Functions
In this trigonometric functions worksheet, students graph a given trigonometric function. This one-page worksheet contains 1 problem. Graph paper is included.Â
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Perimeter of Circle Worksheet
In this perimeter instructional activity, students find the perimeter of a circle. This two-page instructional activity contains 4 problems. Answers are provided on the last page.
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Perimeter of a Circle Worksheet
In this perimeter of circles worksheet, learners find the perimeter of 6 circles given a diameter. Students find the perimeter in terms of Pi.
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Discovering Pi
Sixth graders discover Pi. In this discovering Pi lesson plan, 6th graders measure the diameter and circumference of various circular objects. Students record their measurements in a table. Students discuss how Pi relates to the...
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Geometric Relatioships
Students explore measurements and geometric formulas. In this geometry lesson, students investigate pi as it relates to geometry. They collect data and use a chart to organize the data.
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Circle Relationships
Students explore circles. In this geometry instructional activity, students explore the relationship between the circumference of a circle, the distance a ball travels, and the number of rotations the ball must make in order to travel a...
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Decimal System, Zero, and Pi
Students explore Indian contributions to mathematics. In this mathematics history lesson, students examine the decimal system, zero, and pi as contributions from the Indian culture.
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Understanding Pi.
Students study the relationship between circumference and diameter to come up with Pi. "In this pi lesson, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation of pi.
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Circles Minilab
Learners learn how to measure the diameter and circumference of a circle. In this circle lesson, students organize their data to create a graph. Learners utilize their graph to make an inference about the slope of pi.
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Count the Monkeys
In this counting monkeys worksheet, 3rd graders identify and complete 3 different problems that include counting monkeys in a circle diagram. First, they cut out the small circle and place it in the center of the larger circle. Then,...
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Pi
Sixth graders read the book "Sir Cumference and Knights of the Round Table" to introduce them to the concept of Pi. As a class, they discover where Pi originated and define the terms circumference, radius and diameter. To end the...
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Finding PI
Young scholars select and use appropriate operations, methods and tools to compute or estimate using whole numbers. They develop and use formulas for determining the circumference and area of circles. Students determine and describe...
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Perimeter and Area
Learners review concepts of area and perimeter, find area and perimeter of circles, practice calculating circumferences with a calculator, and calculate area using pi button.
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Infinite Secrets
Students duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
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Pi Day
Ninth graders explore the concept of pi in preparation for developing a project for pi day. They examine direct variation, the history of pi, circle circumference and arc length, area and sector area and then consider how these concepts...
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How Big Is a Piece of PI?
High schoolers explore the ratio of circumference to diameter in order to estimate a value for pi.
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Pi Day (March 14)
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..
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Finding The Circumference Given The Radius
Students develop an understanding of pi and the relationship between the diameter, radius and circumference. After a lecture/demo, students use construction paper and a compass to solve problems using diameter, radius and circumference.