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Small Angle Calculations
Students work with circles, angles and estimating angles in the night sky. In this circles and angles lesson, students practice measuring a degree using the circumference of a circle and apply the degree to determine a way to use their...
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Area Of A Circle
Students investigate the concept of area and how it can be applied to a circle. They use the right formula in order to solve different problems. The teacher leads the class through different examples and serves as a resource during...
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Circles
In this circles worksheet, 7th graders identify and complete 6 different problems that include determining various parts of a circle. First, they identify and define each circle term listed on the left. Then, students color each term...
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Discovering PI
In this pi worksheet, students identify and complete 4 different problems that include pi and graphing data points. First, they complete the chart at the top by measuring the diameter and circumference of each object. Then, students plot...
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Sir Cumference and the First Round Table
In this circumference worksheet, students solve and complete 5 different figures illustrated on the sheet. First, they cut out each shape found on the bottom. Then, students use the shapes on the left as clues to create the corresponding...
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Scale Model of the Solar System
Lead your class through the procedure to create a scale model of the solar system. This resource reinforces concepts of scale and the mathematics involved, as well as the planets. Attach paperclips and staples to index cards to show the...
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Discovering Pi
Sixth graders measure circumference and diameter to the nearest eighth of an inch, record measurements on a spreadsheet, and use the internet to complete a "scavenger hunt" of facts concerning pi.
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Cylinders
In this online activity, students use pie to calculate the area and volume to the nearest tenth. The radius, diameter, and or height are provided.
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Area Of Circles
In this math worksheet, students complete 12 problems where they find the radius and the area of circles. Examples are given in this well-designed worksheet.
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Circles Terminology Multiple Choice
In this circles worksheet, learners solve 10 multiple choice problems. Students answer questions about diameter and chord relationships, tangent lines to a circle, circumference, the Pi relationship, etc.
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Formulas Homework
In this circle formulas activity, high schoolers solve 20 fill in the blank problems. Students find the radius, diameter, circumference, area, arc length, and sector area of a circle.
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Spheres Homework
In this spheres instructional activity, students determine the volume and area of spheres when given the diameter or radius. This one-page instructional activity contains 10 multi-step problems.
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Labs from YSI 95: Telescopes
Students build a telescope and give quantification of its magnification and field of view while making observations regarding images. In this telescope lesson, students use a simple lens to project a scene and examine various telescope...
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Giant Clock, Bug Speed
In this problem solving worksheet, students solve 1 short answer word problem. Students determine the speed of a bug sitting on the end of minute hand on the Allen Bradley Clock Tower.
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Algebra II - Lesson 10-3: Circles
In this equations of circles instructional activity, high schoolers solve 4 short answer problems. Students find an equation of a circle given the center and radius.
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Don't Be a Square
Students analyze the relationship between radius and diameter. Students read Sir Cumference and the First Round Table then take measurements of circular items from around the room. Students compute the radius, diameter and...
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Semicircles
In this geometry worksheet, 10th graders are presented with a problem involving semicircles. The diagram appears simple, though it turns out to have a many segments to be labeled with variables. The key to solving the problem is...
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Calculate the Circumference
For this calculate the circumference worksheet, 7th graders find the circumference given the diameter of 4 circles; the formula and the answers are provided.
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Calculate the Diameter
In this diameter worksheet, 6th graders find the diameter of 5 circles. Students are given the formula for circumference and circumference information along with a blank box to complete their work.
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Finding the Sum of the Perimeters of 3 Small Circles
In this geometry worksheet, students find the sum of the perimeters of three small circles. These small circles are tangent to each other and to a larger circle. The centers of the small circles have their centers on the diameter of...
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Circle Circus
Third graders find the radius and diameter of a bubble. In this radius and diameter lesson, 3rd graders create bubbles on their desk and find the radius and diameter of the bubble. Students work in partners to define circle terms and...
Raytheon
Geometry: Circles
In this geometric circumference worksheet, 8th graders calculate the circumference of each of the 18 circles. The remaining pages of the worksheet include formulas and lesson ideas on finding the circumference of circles.
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Yoplait with Areas and Volumes
In this areas and volumes worksheet, high schoolers find the area of truncated cones and elliptical cylinders. They find the area by using one of three methods: the disk method, the shell method, and using geometry. This one-page...
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Details from an Exploding Star
In this nebula worksheet, students read about the Crab Nebula and calculate the average speed of the expanding gas. They determine the size of the smallest clumps of gas and they draw the diameter of the solar system to scale.