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Lesson Plan
Curated OER

Introducing Powers and Models

For Teachers 4th - 6th
Students construct two dimensional models to illustrate squared numbers. For this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between various...
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Interactive
CK-12 Foundation

Inductive Reasoning from Patterns: Greeting with Handshakes

For Students 6th - 9th
Greet this resource like an old friend. An interactive has users investigate the number of handshakes required for a group to greet each member. A set of challenge questions ensures that learners have a solid understanding of the...
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Lesson Plan
Curated OER

Writing Takes Shape!

For Teachers 4th - 8th
Students read The Greedy Triangle and discuss geometric solids. In this geometry lesson plan, students list the geo-solids in the world and create a graphic organizer to show where geo-solids exist.
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Lesson Plan
Project Maths

Planes and Points

For Teachers 6th - 8th Standards
Build a solid foundation on which to develop future concepts. Through a guided exploration, learners compare and contrast the characteristics of points, lines, planes, rays, and segments. They measure lengths and practice notation for...
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Lesson Plan
Curated OER

Investigation-On the Surface

For Teachers 5th - 7th
Learners 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...
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Activity
Curated OER

Life in a Geometrical Town

For Teachers 5th - 6th
In this geometry worksheet, students create a map that uses various geometrical concepts. The final project is the creation of a "geometrical town." Rubric for grading is included.
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Lesson Plan
Curated OER

Geometry and Tony Smith Sculpture

For Teachers 6th - 8th
Students respond to Tony Smith's sculpture as art and brainstorm about math concepts inherent in his work. They create a sculpture with polyhedra nets, calculate the cost of covering sculpture in gold, and write an exhibit label for...
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Worksheet
Curated OER

Net (Triangular Prism)

For Students 4th - 6th
In this net instructional activity, students use the pattern to create a triangular prism. Students cut out the pattern and fold on the dotted lines and paste it to make the solid figure.
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Worksheet
Curated OER

Geometry: Plane Figures

For Students 5th - 6th
For this plane figure worksheet, learners complete 4 multiple choice questions, determining which solid figure can be traced to make a given plane figure. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Marshmallow Figures

For Teachers 4th - 6th
Learners enjoy making 3-D figures while learning about rectangular prisms, pyramids, vertices, edges, and faces. After a lecture/demo, students use marshmallows, toothpicks and a worksheet imbedded in this instructional activity to...
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Activity
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Curated OER

Mathematical Treasure Hunt

For Teachers 3rd - 8th Standards
The hunt is on! Young mathematicians follow clues and complete a series of ten math puzzles as they try to crack Dr. Integer's code and find the location of his hidden treasure.
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Lesson Plan
Curated OER

Volume and Surface Area, A Sweet Activity

For Teachers 1st - 12th
Geometry.... sweet! Using sugar cubes, learners build rectangular prisms of different sizes and shapes. They glue them together and assess volume. Then they color the outer sides to visualize and compute surface area. To make a visceral...
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Lesson Plan
PBS

Surface Area and Volume

For Teachers 5th - 8th Standards
You and your class will like this lesson on using visual models to relate the volume and surface area of solid shapes. Learners construct three-dimensional forms using nets. They calculate the surface area and volume for each and then...
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Lesson Plan
Illustrative Mathematics

Computing Volume Progression 4

For Teachers 6th - 9th Standards
This resource was written for the younger math learner, but finding the volume of an irregular solid is also a problem for algebra and geometry students. Based on Archimedes’ Principle, one can calculate the volume of a stone by...
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Lesson Plan
Curated OER

Geometry and Measurement

For Teachers 6th - 8th
Students 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. Students use pegboards and string to create more...
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Lesson Plan
Curated OER

Geometry Slideshow

For Teachers 6th
Sixth graders create slideshows of geometric terms. They use images taken with digital cameras or scanned from magazines.
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Worksheet
Curated OER

Geometry: Calculating Volumes

For Students 6th - 8th
In this volume learning exercise, middle schoolers find the volume of 8 prisms.   Students are given the length, width, and height of each prism.
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Lesson Plan
Curated OER

Volume and Surface Area of Right Rectangular Prisms

For Teachers 6th - 8th
Students identify the formulas for three-dimensional figures. They use manipulatives to model problems. Students create foldables and explain volume and surface area. Students complete worksheets and classify solids. Students sing a...
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Lesson Plan
Curated OER

Pyramids and Prisms: Guler's Formula

For Teachers 6th
Sixth graders detect and categorize the attributes of geometric shapes to solve problems. In this geometry instructional activity, 6th graders construct a variety of polyhedra. Students recognize the relationships between two...
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Worksheet
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K6 Math

Nets and 3-Dimensional Figures

For Students 6th - 7th Standards
Three solid figures are lined up down the left side of the page to be compared to three nets down the right side. Learners simply decide if the corresponding net matches the solid figure. Be aware that the publisher's watermark is...
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Worksheet
Curated OER

Truncated Tetrahedron

For Students 6th - 8th
In this math worksheet, students read about the truncated tetrahedron and then create a paper model. It should look like a solid comprised of 4 regular hexagonal faces, 4 regular triangular. faces, 12 vertices and 18 edges.
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Worksheet
Curated OER

Rombicosidodecahedron

For Students 6th - 8th
In this math worksheet, middle schoolers create a geometric paper model of a rombicosidodecahedron solid that is considered a challenging project.
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Worksheet
Curated OER

Rhombicuboctahedron

For Students 6th - 8th
In this math instructional activity, students develop their cognitive and motor skills through constructing the geometric solid of a rhombicuboctahedron
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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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