Curated OER
Our Solar System - Comparing Planetary Travel Distances
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
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Area of Circles and Probability
Students investigate the area of squares and circles. For this geometry lesson, students calculate the area and probability of simple events. They work on a laptop using Safari.
Penn Museum
Penn Museum: China Gallery
Invite your learners to take a closer look at the art and mathematical function of dome buildings as designed by the ancient Romans. In the next segment of this attractive worksheet set, your young historians will then learn about...
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Can You Canula?
Students calculate the circumference of a circle. In this geometry instructional activity, students measure the diameter of a circle using micrometers or calipers. They investigate the relationship of the diameter to that of the value of...
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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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Circles
Fifth graders investigate the concept of finding the circumference of a circle. They demonstrate why the formula works with a hands on experiment. There is detailed instructions for carrying out the technical portions of the experiment.
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Finding PI
Students 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 the...
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Covering and Surrounding
Students develop techniques for estimating the area of a circle and use ideas about area and perimeter to solve practical problems. In this area and perimeter lesson, students apply the concepts of perimeter and area to the solution of...
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The Surface Area of a Cylinder
Learners measure the circumference of a cylinder. In this cylinder lesson plan, students use round container lids and flexible rectangles to measure the circumference of the cylinder. They put the shapes together to make their own...
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Around the World
Students find the circumference of various round objects. For this finding the circumference of various round objects lesson, students find the circumference of the Earth. Students find the circumference of trees, tires, and other...
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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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Ten Multiple-Choice Circle Problems
In this circle worksheet, students solve ten multiple-choice questions concerned with the area, radius, diameter, and circumference of a circle. The solutions are provided by clicking on the "show answers" button on the bottom of the page.
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Discovering Pi
Students develop a formula that describes the functional relationship of the circumference of a circle to its diameter. Working with a partner, they measure the diameter and circumference of circular objects in order to discover the...
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Geometry in Nature
Students examine how the circumference, diameter, and the relationship of Pi of a circle are related. They count the summer rings of a tree to determine its growth.
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Perimeter and Area of Similar Figures
Young scholars determine the relationship between perimeter, circumference, area, surface area, and/or volume of similar figures and their parts. They complete activities related to the question. Answer key included.
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Circles Minilab
Students learn how to measure the diameter and circumference of a circle. In this circle lesson, students organize their data to create a graph. Students utilize their graph to make an inference about the slope of pi.
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Exploring Circles
In this exploring circles worksheet, 10th graders solve 12 different types of problems related to measuring circles in geometry. First, they refer to the figure on the sheet to name the center point, the three radii of the circle, the...
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Circles
In this circles worksheet, 4th graders view and study 4 circles and then write down the radius or diameter of each circle and estimate the circumference.
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Circle Relationships
Students explore circles. In this geometry lesson, 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 certain distance.
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Expressions and Operations
In this expressions and operations worksheet, students solve and complete 5 different problems that include reading and solving each individual question. First, they determine the value of each equation given the variables. Then,...
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Expressions and Operations
In this expressions and operations worksheet, students solve and complete 5 different problems that include identifying expressions and using the order of operations. First, they determine the value of a given expression and its...
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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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Using Math Concepts to Collect and Document Specimens
Students determine the length and width of leaf samples to the nearest millimeter and the circumference of trees. They participate in a discussion about the importance of collecting specimens carefully. They compile accurate...
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Don't Burst My Bubble
Students practice using measuring techniques by examining bubbles. In this geometry activity, students utilize mathematic formulas to discover the circumference and diameter of soap bubbles they blow. Students practice creating larger...
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