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Lesson Plan
Curated OER

Lines, Rays, Line Segments, and Planes

For Teachers 9th - 12th
Students are introduced to lines, rays, line segments and planes and study the differences between them. They also practice graphing lines, rays, line segments and planes
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Worksheet
Curated OER

Congruent Figures

For Students 3rd - 5th
In this congruent figure learning exercise, students select the shape in a row that is congruent with the shape that begins that row, 4 rows total.
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Lesson Plan
Curated OER

Castles

For Teachers 10th - 11th
Young scholars create a scale model to a castle using the dimensions they were given. They calculate the surface areas and volumes of each section of their castle.
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Lesson Plan
Curated OER

3-D Beginning Graphs

For Teachers K - 1st
Students explore the concept of big and small. They collect objects from the classroom, sort them by size, and create a graph using Duplo stacking blocks.
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Organizer
Curated OER

Lewis Structures and Bonding

For Students 10th - Higher Ed
In this compounds worksheet, students complete a graphic organizer by filling in the chemical compounds structure, resonance, geometry, hybridization, and bond angles. Then students complete 2 short answer questions.
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Lesson Plan
Curated OER

Angles Lesson Plan

For Teachers 9th - 10th
Students explore the relationship of angles as it relates to 2 and 3-D shapes. In this geometry lesson, students differentiate between acute, obtuse, right, alternate interior, exterior and adjacent angles. They manipulate a math...
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Lesson Plan
Curated OER

Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. In this geometry instructional activity, students inter-relate math and technology. They create and name a variety of polygons.
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Lesson Plan
Curated OER

Surface Area of Cubes and Rectangular Prisms

For Teachers 8th
Eighth graders calculate surface area of 3-D shapes. In this geometry lesson, 8th graders analyze cubes and prisms by finding their area and surface area. They compare the data of these two shapes.
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Lesson Plan
Curated OER

Triangles in Architecture

For Teachers 10th - 12th
Students find triangles in the real world. In this geometry instructional activity, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
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Lesson Plan
Curated OER

Drawing Lines of Symmetry

For Teachers 3rd
Third graders explore the concept of symmetry using geometric shapes, capital letters and various other shapes. They fold shapes to show symmetry, draw lines of symmetry and create symmetrical designs.
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Lesson Plan
Curated OER

Tessellations

For Teachers 4th - 6th
Students identify shapes that will tessellate. They construct a tessellation using transformations. Students identify transformations in tessellations. They identify applications of transformations such as tiling and fabric design.
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Lesson Plan
Curated OER

"The Greedy Triangle" by Marilyn Burns

For Teachers 4th - 6th
Students discover which regular polygons can be used to tile a plane.
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Lesson Plan
Curated OER

Properties of Logarithms

For Teachers 9th - 12th
Young scholars explore the concept of logarithms.  In this logarithms lesson plan, students graph logarithms on their Ti-Nspire calculator.  Young scholars describe the shapes of their graphs by identifying slope, y-intercepts,...
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Lesson Plan
Curated OER

Investigating: Finding the Volume

For Teachers 6th
Sixth graders explore geometry by utilizing colored cubes in class. In this volume instructional activity, 6th graders identify the different shapes they can create using their colored cubes and identify the formula for finding volume....
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Lesson Plan
Curated OER

Design-A-Room Project (Part 3 of 3)

For Teachers 5th - 7th
Students culminate a unit on measurement with a focus on area and perimeter. They design a floor plan of their dream room on graph paper showing the proper area and perimeter. They plan the budget for their room and make a 3-D scale...
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Lesson Plan
Curated OER

Compass Designs

For Teachers 8th - 10th
Students investigate the properties of two and three dimensional objects. In this geometry instructional activity, students differentiate polygons based on similarity and congruence. They make observation and interpret the data.
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Lesson Plan
Curated OER

Identifying Lines of Symmetry

For Teachers 8th - 10th
Students calculate the lines of symmetry using polygons. In this geometry lesson, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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Lesson Plan
Curated OER

Area of Irregular Polygons

For Teachers 10th
In this geometry worksheet, 10th graders determine the area of irregular polygons.  The one page worksheet contains three problems.  Solutions are provided.
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Worksheet
Curated OER

Concept of Volume: the Unit Cube

For Students 10th
In this geometry activity, 10th graders are asked to find the volume of different polygons. They use the formula for volume dealing with the different shapes. There are 60 problems.
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Lesson Plan
Curated OER

Reflections

For Teachers 9th - 10th
Students investigate image and pre-image. In this geometry lesson, students identify the reflection and rotation of different shape on a coordinate plane. They identify similarities and differences of image and pre-image of a reflection.
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Lesson Plan
Curated OER

Rectangular Gardens

For Teachers 9th - 10th
Students create a rectangular garden using paper and tiles. In this geometry lesson plan, students investigate the largest possible rectangle that can be created given specific boundaries. They use grid paper to draw the rectangles...
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Lesson Plan
Curated OER

Figuratively Speaking

For Teachers 3rd
Third graders construct and use vocabulary flipbooks to draw and describe three-dimensional figures. They utilize worksheets and access websites imbedded in this plan which help them construct their books.
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Worksheet
Curated OER

Congruent Shapes

For Students 3rd - 4th
In this congruent shapes worksheet, students identify the congruent figures in sets of shapes. One example is completed. A website reference for additional activities is given.
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Lesson Plan
Curated OER

Pyramids with Basic Bases

For Teachers 4th - 5th
Students explore pyramids. In this math lesson, students discuss where they have seen examples of pyramids. Students classify pyramids as three-dimensional figures and identify their attributes.