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Lesson Plan
Curated OER

Graphs, Stories, And Games

For Teachers 8th - 12th
For this graphs lesson, students read stories and present story situations on a graph.  They explore distance and diameter and explain graphs.  Students create their own stories to fit graphs.
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Lesson Plan
Curated OER

Chords of a Circle

For Teachers 10th
For this geometry worksheet, 10th graders calculate the length of a chord and the distance from the center of a circle or radius. They compare diameter, chords and radius. There are 10 questions with an answer key.
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Lesson Plan
Curated OER

Modeling Atoms

For Teachers 9th - 12th
Students create an atomic model using a computer program. In this technology lesson, students identify the difference between radius and diameter. They create circular patterns and spheres based on certain specifications.
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Worksheet
Curated OER

Area Of Circles

For Students 5th - 8th
In this math worksheet, students complete 23 problems where they find the area of circles when the radius, diameter, or circumference is given. Examples are given in this well-designed worksheet.
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Lesson Plan
Curated OER

"Use an Anemometer," said the Meteorologist

For Teachers 3rd - 5th
Students participate in an hands-on construction of an instrument to measure wind speed.
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Lesson Plan
Curated OER

Observing Mars in the Night Sky

For Teachers 9th - 12th
Students compare and contrast the orbits of Earth and Mars, locate the planet Mars, and diagram its retrograde motion.
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Lesson Plan
Curated OER

Theorems and Formulas for Circles

For Teachers 10th
In this theorems and formulas for circles worksheet, 10th graders solve and complete 13 different types of problems. First, they create a graphic organizer for all the given formulas for circles. Then, students use the labeled pictures...
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Lesson Plan
Curated OER

The Real Deal On Circles

For Teachers 5th
Fifth graders investigate circles and area. For this geometry lesson, 5th graders find the area, diameter and circumference of a circle. They estimate the data and then calculate it.
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Lesson Plan
Curated OER

Can You Canula?

For Teachers 8th - 9th
Students calculate the circumference of a circle. In this geometry lesson plan, 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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Lesson Plan
Curated OER

Finding The Circumference Given The Radius

For Teachers 6th - 7th
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.
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Lesson Plan
Curated OER

Bringing the Solar System Down to Earth

For Teachers 6th - 8th
Middle schoolers develop a scaled down model of the solar system. In small groups, they calculate the scaled-down diameters of the planets and the sun, the scaled-down distance of the planets from the sun, complete two charts, and...
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Interactive
Curated OER

Circles

For Students 10th
In this geometry worksheet, 10th graders determine the circumference and area of a circle given either the diameter or the radius. The one page interactive worksheet contains ten questions. Answers and hints are included. 
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Interactive
Curated OER

Cones

For Students 10th
In this geometry worksheet, 10th graders determine the volume of a cone, given either the diameter or radius and the height. The one page interactive worksheet contains ten questions. Answers and hints are included. 
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Lesson Plan
Curated OER

Finding PI

For Teachers 9th - 12th
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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Worksheet
Curated OER

Cylinders and Cones Homework

For Students 9th - 12th
In this geometry worksheet, students solve for the volume or surface area of cones and cylinders given the radius, diameter, or height. There are 25 questions.
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Interactive
Curated OER

Area of Circle Worksheets

For Students 10th
In this geometry worksheet, 10th graders calculate the area of circle give either the radius or the diameter. The one page interactive worksheet contains ten questions. Answers and  hints are included. 
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Lesson Plan
Curated OER

Inscribed Right Triangles

For Teachers 7th - 9th
Students calculate the measurements of the inscribed angles of a triangle. In this geometry lesson, students relate the hypotenuse of a right triangle and the diameter of a circle to each other. They calculate the diameter of a circle as...
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Lesson Plan
Curated OER

Consistent Circles

For Teachers 8th - 12th
Pupils create a design of a circle. In this geometry lesson, students identify the measure of the diameter and radius of a circle. They graph and analyze their collected data and write equations based on direct variation.
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Lesson Plan
Curated OER

Circles And Cylinders

For Teachers 6th - 8th
Students investigate some of the mathematical concepts involved in the study of circles. They first practice finding the circumference of a circle by finding the diameter and performing the calculation. The lesson delivery is done using...
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Worksheet
Curated OER

Surface Area of Hemisphere Worksheet B

For Students 8th - 10th
Learners determine the surface area of a hemisphere, given the diameter or the radius. This two page learning exercise contains eight multi-step problems. Answers are provided on the last page.
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Lesson Plan
Curated OER

Light Beam

For Teachers 8th - 10th
Students measure and convert between units. In this geometry lesson, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
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Lesson Plan
Curated OER

Parts of a Circle

For Teachers 6th
Sixth graders use yarn, paper plate, and other materials to identify parts of a circle. In this parts of a circle lesson plan, 6th graders identify the circumference, radius, diameter, and other parts of a circle.
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Lesson Plan
Curated OER

Circumference and Area of a Circle

For Teachers 10th - 11th
Students investigate the area and circumference of a circle. In this geometry lesson plan, students estimate and measure the radius, diameter and circumference of a circle. This assignment has an online part that is interactive.
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Lesson Plan
Curated OER

Impact Craters and Water on Mars

For Teachers Higher Ed
Students explore for water on Mars using impact crater morphology. During this lab, students: investigate how to use the equation writing and graphing capabilities in Microsoft Excel, then develop and apply an impact crater...

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