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Worksheet
Curated OER

Match the Shapes

For Students Pre-K - K
In this geometry activity, students match shapes that look alike or are the same. Students are given five sets of two shapes each where they are to draw a line from one shape to the corresponding shape that matches it.
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Lesson Plan
Curated OER

Who Let the Dogs Out?

For Teachers 8th - 10th
Students calculate the perimeter and area of polygons. In this geometry lesson, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in that area.
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App
Oleh Yudin

iCrosss

For Students 5th - Higher Ed
Did you know that a soccer ball is very similar to a truncated icosahedron? Both have 32 faces, but while a truncated icosahedron is made up solely of flat hexagons, a traditional soccer ball has 12 pentagons and 20 hexagons, each curved...
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Worksheet
Curated OER

Area of Sectors

For Students 10th - Higher Ed
In this area of sectors worksheet, students find the area of a given sector, area of inscribed figures, and area of shaded regions. This two-page worksheet contains 20 problems. An answer sheet is provided on the third page.
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Worksheet
Curated OER

Central and Inscribed Angles

For Students 10th
In this central and inscribed angles worksheet, 10th graders identify and solve 20 different problems that include determining inscribed angles and intercepted arcs. First, they determine the measure of point P if the given angles are...
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Lesson Plan
Curated OER

Properties of the Centers of a Triangle

For Teachers 9th - 12th Standards
High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This lesson requires the use of Cabri, Jr.
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Lesson Plan
Curated OER

Angles and Arcs

For Teachers 9th - 10th
Students discuss the sum of central angles and use string to create them on circles. They find the measure and length of both minor and major arcs. Students give examples of concentric, similar, and congruent circles and congruent arcs.
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Worksheet
Curated OER

Special Segments is a Triangle

For Students 10th
In this geometry worksheet, 10th graders examine the special segments that occur in a triangle.  The three page worksheet contains twenty-five problems.  Answers are not included. 
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Worksheet
Curated OER

Transfromations

For Students 10th
In this geometry worksheet, 10th graders solve questions that involve rotations, reflections, and dilations.  The one page worksheet contains ten multiple choice questions.  Answers are not provided. 
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Lesson Plan
Curated OER

Measuring Angles

For Teachers 3rd
Third graders describe an amount of turn from a particular position to another using the 'circular' benchmarks of 0, ++, ++, ++, and full turn. Estimation language such as 'just about', 'between', 'not quite', 'just over', and similar...
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Lesson Plan
Curated OER

Inscribed Angles

For Teachers 9th - Higher Ed
Students analyze inscribed angles and intercepted arcs and explore the relationships between the two. They investigate the properties of angles, arcs, chords, tangents, and secants to solve problems involving circles.
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Lesson Plan
Curated OER

Math: Arcs and Chords

For Teachers 9th - 10th
Students draw diagrams demonstrating how it is possible to two central angles to be congruent and their minor arcs are not congruent. In groups, they illustrate theorems with their constructed circles, create diameters of circles that...
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Lesson Plan
Curated OER

Fold and Cut 2

For Teachers 2nd
Second graders make, name, and describe, using their own language and the language of geometry, everyday shapes and objects. They create and discuss geometric patterns which repeat (show translation), or which have rotational or...
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Lesson Plan
Curated OER

Tessellations: Use Right Angles To Explain The Tessellation of Objects

For Teachers 6th - 10th
Students examine a selection of shapes and identify which shapes tessellate and why. They design and make a pattern which involves translation, reflection, or rotation. Students describe the features of 2-dimensional and 3-dimensional...
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Worksheet
Curated OER

Inscribed Angles

For Students 10th
For this inscribed angles worksheet, 10th graders solve 13 various types of problems related to inscribed angles in geometry. First, they identify a circle illustrated and each arc of the circle. They, students find the measure of each...
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Lesson Plan
Curated OER

Teachers Zine's TAKS 3rd Grade Daily Upkeep 5

For Teachers 3rd
In this TAKS (Texas Assessment of Knowledge and Skills) daily upkeep worksheet, 3rd graders solve three math problems from Texas objective six. They read story problems and then identify the multiple choice answer that describes the...
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Worksheet
Curated OER

Volume and Surface Area of Solids

For Students 10th
In this solids worksheet, 10th graders solve and complete 10 different word problems that include determining the volume and surface area of various solids. First, they determine the surface area of a cube as described. Then, students...
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Worksheet
Curated OER

Shape Matching Worksheet

For Students K - 1st
In this geometry worksheet, students draw a line from each geometric shape shown on the left to the matching shape on the right side of the page. They work with plane figures such as a diamond, a square, a circle, and a triangle.
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Worksheet
Curated OER

Shape Matching Worksheet - In Color

For Students K - 1st
In this geometry instructional activity, students draw a line from each of four shape on the left to the matching shape on the right. They match colors and shapes which include a diamond, a circle, a triangle and a square.
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Interactive
Curated OER

Identifying the Shape of Objects 1

For Students 1st - 4th
In this identifying the shape of objects 1 worksheet, students identify the picture and choose its correct shape online from multiple answers with immediate feedback.
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Lesson Plan
Curated OER

Introduction to Locus

For Teachers 9th - 11th
Students define the five rules of loci. In this geometry lesson, students identify the locus of points that creates a circle. They calculate the distance from a fixed line and point.
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Lesson Plan
Curated OER

The Anti-Gravity Machine

For Teachers 5th - 8th
Students examine physics by completing a bicycle experiment in class. In this gravity lesson, students measure the characteristics of different bicycles and compare their different race times. Students utilize a shoebox, pencil, tape,...
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Lesson Plan
Curated OER

Shapes

For Teachers K - 2nd
In this early childhood math worksheet, students practice distinguishing shapes as they match the square, triangle, circle, pyramid, and cube shapes to the appropriate names in the right-had column.
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Interactive
Curated OER

Angles and Arcs formed by Intersecting Chords

For Students 9th - 11th
In this angles and arcs worksheet, students complete a warm-up, state the formula formed by intersecting chords, and answer eight problems.  The worksheet includes a closing think pair share problem.

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