Worksheet
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Points, Lines, and Line Segments - Homework 16.1

For Students 4th - 5th
In this geometry worksheet, students complete a homework assignment in which they name 3 lines and line segments. They write parallel, intersecting, or perpendicular, to describe the relationships between 4 pairs of lines. They draw an...
Worksheet
Curated OER

Values of Geometrical Shapes: How Many?

For Students 3rd - 6th
Practice analyzing shapes using this shape breakdown activity. Your scholars examine 2 shapes and 2 figures, identifying the number of faces, vertices, edges, and sides each has. The instructions remind students that an answer of "0" is...
Worksheet
Curated OER

An Introduction to the Coordinate Plane

For Students 9th - 10th
In this geometry instructional activity, students plot points on a coordinate plane and identify the different quadrants each point is in. They have to be able to identify coordinate pairs, given the points on the graph. There are...
Lesson Plan
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Box It Up

For Teachers 7th - 9th
Students calculate the surface area of prisms. In this geometry instructional activity, students investigate the properties of prisms and analyze ways to calculate the are of a rectangular prism. They derive the formula for surface area.
Worksheet
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I Spy Shapes

For Students Pre-K - 1st
All your students have likely played the age-old game "I Spy," and now you can play it in the classroom! A leader (could be you to start) chooses something in the room with a familiar geometric shape. The class begins asking yes or no...
Lesson Plan
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Molecular Models Laboratory

For Teachers 10th - Higher Ed
Young scholars use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then young scholars build and draw the molecules and ions given. Students complete 11 pre-lab...
Lesson Plan
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Pondering Polygons

For Teachers 7th
Seventh graders use block letter writing to help classify polygons. They use their own names which helps to keep them engaged during the lesson. Finally, 7th graders play a classification game naming different polygons.
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Cubes and Cylinders

For Students 1st - 3rd
In this geometry worksheet, students identify cubes and cylinders by coloring a given number of each shape red, green, blue, or yellow.
Lesson Plan
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Investigation-On the Surface

For Teachers 5th - 7th
Students compute the surface area of 3 geometric solids to determine the shape of package that would require the least amount of paper to wrap. In this geometry lesson, students work on a two-question assessment embedded in the plan. The...
Lesson Plan
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Similar Triangles

For Teachers 9th - 10th
Students differentiate between similar and congruent triangles. For this geometry lesson, students identify the missing side and angle of a triangle. They identify the different ratio and proportion of the sides of a triangle.
Lesson Plan
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Blocks in a Sock

For Teachers 1st
First graders identify geometric solids. In this shapes and solids beginning geometry lesson plan, 1st graders reach into a bag and identify the geometric solid they feel. Students describe shape attributes and match two dimensional...
Lesson Plan
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Ratio Relationships

For Teachers 9th - 11th
Students solve for the different ratio and proportion of a problem. In this geometry lesson, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
Worksheet
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Angle Bisectors

For Students 10th
In this angle bisector worksheet, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a polygon. They...
Worksheet
Curated OER

Sum of Interior Angles

For Students 10th
In this sum of interior angles worksheet, 10th graders solve 10 different problems that are related to determining the sum of various interior angles in figures. First, they determine the sum of the interior angles of a dodecagon. Then,...
Worksheet
Curated OER

Points, Lines and Planes

For Students 10th
In this points, lines and planes worksheet, 10th graders solve and complete 9 various types of problems. First, they name the planes that intersect a figure shown. Then, students determine the points that are collinear and coplanar in...
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Curated OER

Transformations

For Students 6th - 8th
Middle schoolers solve and identify 10 different problems that include transformations and identifying translations. They determine if each figure is an example of a translation and explain how each figure may or may not be a...
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Rotational Symmetry

For Students 10th
In this rotational symmetry worksheet, 10th graders identify and compare 10 different figures illustrated on the sheet. They write the order of rotational symmetry seen in each figure as compared to the others. They also define an object...
Lesson Plan
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Geometry and Measurement

For Teachers 6th - 8th
Young scholars view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Young scholars use pegboards and string to...
Lesson Plan
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Translating Transformations in Geometry

For Teachers 9th - 12th
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
Lesson Plan
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Figure It Out - Polygons

For Teachers 6th
Sixth graders explore different polygons. In this polygon lesson, 6th graders examine a rhombus, quadrilateral, parallelogram, and rectangles. Students compare and contrast polygons and research shapes on the Internet.
Lesson Plan
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2-D Geometry

For Teachers 3rd
Third graders describe and compare attributes of two-dimensional shapes. They explain geometric terms, angles and shapes. Students demonstrate each vocabulary word with their body and they mirror the body positions associated with each...
Lesson Plan
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Geometry and Shapes in the X-36

For Teachers 2nd - 3rd
Students describe, draw, and classify shapes. They use the internet to research the X-36 aircraft. Students identify the geometric shapes in the aircraft. They calculate the number of sides in an x-36.
Worksheet
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Optical Illusions with Geometry

For Students 4th - 6th
In this optical illusions learning exercise, students try to draw the illusion asked and discuss more illusions with their classmates. Students answer 4 problems.
Lesson Plan
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Three-Dimensional Figures

For Teachers 6th
Sixth graders explore three-dimensional objects. Using various objects found in the classroom, they identify faces, edges, and vertices of objects. Students create their own objects. They describe the polydron, telling the faces,...

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