Flipped Math
Circles and Arc Lengths
Discuss all things round and round. Pupils review finding area and the circumference of circles and use them to solve problems. Next, they learn about central angles and their relationships to measures of arcs. Learners then find out how...
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The Real Deal On Circles
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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Circumference of Circle
In this circumference activity, learners find circumference. Radius and diameter are given, as well as an answer key. Workspace is provided.
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Surface Area of Spheres
Students identify the properties of a sphere. In this geometry instructional activity, students calculate the surface area of spheres using the formula derived by nets. They identify the radius and diameter of the sphere.
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To the Moon
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
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Area of Circle Worksheets
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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Circles Area Perimeter and Circumference
In this circles worksheet, students calculate to find the area, radius, circumference and perimeter of circles. A reference web site is given for additional activities.
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Circles
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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Cones
In this geometry learning exercise, 10th graders determine the volume of a cone, given either the diameter or radius and the height. The one page interactive learning exercise contains ten questions. Answers and hints are included.
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Surface Area of Hemisphere Worksheet B
Learners determine the surface area of a hemisphere, given the diameter or the radius. This two page activity contains eight multi-step problems. Answers are provided on the last page.
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Circle Area, Perimeter and Circumference #2
In this area, perimeter and circumference worksheet, students determine radius and circumference of given circles. A reference web site is given for additional activities.
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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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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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Consistent Circles
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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Mathematics In You
Students construct ratios using the hand as data. They use examples of cortical and trabecular bone found in the long bones to measure circumference, diameter, length, and weight of long bones. They perform computations using growth...
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Basic Circle Worksheet
In this circle learning exercise, students identify center, radius and diameter of three circles. An answer key is included on page 2.
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Noun/Adjective/Subject/Verb Agreement
Young scholars create a wheel from construction paper to use to create sentences. The wheel consists of four concentric circles, beginning with the largest being 8 inches in diameter. Each circle represents one part of a sentence....
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Parts of the Circle
In this geometry skills worksheet, students respond to 3 questions that require them to examine the part of circles and identify them as diameters, chords, radii, or centers.
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Parts of the Circle
In this geometry skills worksheet, students examine 3 labeled circles and identify the noted items as diameters, chords, radii, or centers.
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Write the Parts of the Circle in the Place Holders
For this parts of a circle worksheet, students place the names of 6 different parts of a circle in rectangular place holders. They use labels such as cord, secant, diameter, radius, tangent, and center.
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Sir Cumference and the Dragon Pi
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
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The Derivation of (Pi)
Seventh graders groups measure the diameter and circumference of each of the circular objects in the room. They record their results on their student worksheets and access a computer spreadsheet program to compile their results.
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Geometric Shapes
In this math worksheet, students explore geometric shapes by completing a variety of exercises. Students label the pictures with the 3D shape names, draw radius and diameter lines, name different types of triangles and draw diagonals and...
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Circles and Clocks, Shapes and Time
Young scholars work in groups to research clocks and practice telling time. In this telling time lesson plan, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using...
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