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Perimeter and Circumference

For Students 10th
In this geometry worksheet, 10th graders are given shapes of rectangles and circles. They calculate the perimeter and circumference of the different polygons given values for the diameter or sides. There are 10 questions with an answer key.
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2D and 3D Shapes

For Students 2nd - 4th
In this geometry instructional activity, students draw 6 different shapes as requested by 6 specific directives in the circles provided. Students draw 2D and 3D shapes.
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Line Hunt

For Teachers K - 3rd
Young scholars identify lines in everyday images.  In this art analysis activity, students practice drawing diagonal, vertical and horizontal lines on pieces of chart paper.  Young scholars examine a page from a magazine and...
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Volume of Sphere

For Students 10th
In this geometry activity, 10th graders are given the radius and diameter of a circle and asked to find the volume of a sphere. There are 8 questions with an answer key.
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Area and Perimeter of Compound Shapes

For Students 7th - 9th
In this geometry worksheet, students find the area and perimeter of 6 different compound shapes containing squares, rectangles, triangles, and half circles. 
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Kindergarten Geometry

For Teachers K
Students choose a square of any size and use yarn to show that all 4 sides are the same. They sort the traffic sign cards into groups of squares and non-squares. Also they make a square using Q-tips; tell how you know it is a square.
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Circle the Earth - Explore Surface Types on a Journey around Earth

For Teachers 4th - 12th
Students use CERES percent coverage surface data with a world map in locating landmasses and bodies of water at Earth's Equator.
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Hold Everything!

For Students K - 1st
In this measurable quantities worksheet, students study the two containers in each exercise and circle the container that holds more volume. Students underline the container that holds less.
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Area Of Sectors

For Teachers 9th - 12th
Student find the area of a sector of a circle. In this geometry lesson plan, students  define the sector of a circle using a sketch. They find and identify examples of sector in the real world.
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Plain Figures and Measuring Figures

For Teachers 10th - 12th
Students investigate basic geometric concepts. In this geometry lesson, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.      
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The Flat Earth

For Teachers 9th - 11th
Students differentiate between different planes. In this geometry lesson, students differentiate between a plane and a sphere. They discuss the Great Circle, Geodesic and Lune as it relates to the earth.
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Geometric Relatioships

For Teachers 4th - 8th
Students explore measurements and geometric formulas. In this geometry instructional activity, students investigate pi as it relates to geometry. They collect data and use a chart to organize the data.
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Are you in Golden Shape

For Teachers 7th - 10th
Students solve and verify the solution for unknown measures. In this geometry instructional activity, students identify the properties of circles. They use the arc, angle and segment relationship to find the missing measures.
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Compare 2-D Shapes

For Teachers 2nd
Second graders examine the attributes of two-dimensional shapes. In this geometry lesson, 2nd graders play a game in order to identify two-dimensional shapes and to name them.
Lesson Plan
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Approximating Pi

For Teachers 7th - 10th
Learners approximate Pi using the lower and upper bound for the constant. In this algebra lesson, students work in groups of two to graph a circle and approximate Pi using the circumference. They repeat their estimation until they come...
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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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Seven Sets of Area Problems

For Students 10th - 11th
For this area worksheet, students solve for the area of rectangles, parallelograms, triangles, trapezoids, kites, regular polygons, circles, and surface area.  The worksheets is divided into seven different sets of problems.
Lesson Plan
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Exploring Volume of Cylinders

For Teachers 10th
Tenth graders investigate the volume of a cylinder.  In this geometry lesson, 10th graders create three-dimensional cylinders and use a ruler to determine the dimensions.  The lesson progresses to the use of the formula to find...
Lesson Plan
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Skittles, Taste the Rainbow

For Teachers 5th
Fifth graders learn and then demonstrate their knowledge of a bar and a circle graph using the classroom data. Students are given a pack of skittles candy. Students create a bar and circle graph indicating the results of the contents of...
Lesson Plan
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Drawing with Shapes

For Teachers 1st
First graders combine different shapes to create an image.  In this geometry lesson, 1st graders utilize squares, circles, rectangles, triangles, and arc to draw a picture.  Students share their creation with their class...
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Arcs and Chords Homework

For Students 9th - 12th
In this geometry worksheet, high schoolers examine a circle with chords and apply formulas to solve for the missing segments or arc. There are 9 questions.
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Triangles

For Students 10th
In this triangles worksheet, 10th graders solve 10 different problems that include determining the measurement of various angles. First, they determine the area of a triangle illustrated on the sheet. Then, students use the picture to...
Lesson Plan
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Sketching Cones

For Teachers 9th - 12th
Young scholars sketch cones and identify its properties. In this geometry lesson, students calculate the surface area and volume of each three dimensional shape. they define and sketch prisms, pyramids and cylinders.
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Surface Area of Cones

For Teachers 9th - 12th
Students find the surface area of cones. In this geometry lesson, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the real world.

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