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...
Worksheet
Curated OER

Tetrahedron

For Students 6th - 8th
In this math worksheet, students construct a paper model of a tetrahedron. They create it to have four triangle faces, four vertices and six edges.
Lesson Plan
Curated OER

Investigating: Finding the Volume

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

Surface Area of Rectagular Prisms

For Teachers 6th
Sixth graders investigate the area of polygons. In this geometry activity, 6th graders calculate area of prisms using geometric formulas. They work with prisms and other rectangular shapes.
Lesson Plan
Curated OER

The X-33 and the X-38

For Teachers 5th - 8th
Young scholars explore the relationships among the lengths, areas, and volumes of similar solids. They also discover what effect doubling the dimensions of a figure has on the resulting area.
Lesson Plan
Curated OER

Cross Sections

For Teachers 6th - 10th
Young visual learners explore different cross sections of 3-dimensional objects. First, cross sections of cubes are explored by using an interactive flash activity. This is then extended by looking at cross sections of spheres,...
Worksheet
Curated OER

Octahedron

For Students 6th - 8th
For this math worksheet, students develop cognitive and geometric abilities. They construct a paper model of a octahedron composed of eight triangular faces, six vertices and 12 edges.
Lesson Plan
Curated OER

City Streets: A Fold-up of a Street Lined with Buildings

For Teachers 5th - 8th
After walking in a nearby neighborhood, have your class create this amazing city street pop-up. They study the facades of the buildings they see, focusing on geometric line, shape, and architecture. They then draw, cut, and create a city...
Lesson Plan
Curated OER

Math in the Wetlands Field Trip

For Teachers 6th - 8th
Get your class out in the environment for hands on math activities. For this wetlands lesson, learners transplant native plants, calculate how much soil is needed, and perform math activities based on this experience. They then make...
Lesson Plan
Curated OER

Modeling the Solar System

For Teachers 3rd - 12th
Young scholars build a scaled model of the solar system. In this space science instructional activity, students arrange them according to their distances from the sun. They analyze each planet's unique features such as density and...
Lesson Plan
Curated OER

Supplementary, Complementary, and Vertical Angles

For Teachers 4th - 6th Standards
By using circles that they cut out and label themselves, learners literally "get a grip" on the angles they identify: supplementary, complementary, and vertical. They solve missing measurements based on properties of supplementary,...
Lesson Plan
Curated OER

Measurement

For Teachers 6th - 8th
Pupils create two prisms out of the same paper. They calcuate the number of centimeter cubes needed to fill each prism. They discover the concept of volume.
Lesson Plan
Curated OER

Volume and Surface Area

For Teachers 5th - 6th
Students explore volume and surface area. In this math activity, students fill boxes with cubes to identify the volume of the boxes. Students discuss area.
Lesson Planet Article
Curated OER

Analyzing 3-D Shapes and 2-D Representations

For Teachers 3rd - 6th
Students can analyze 3-D objects better with actual physical models and by also drawing 2-D representations of them.
Lesson Plan
Curated OER

A World of Symmetry

For Teachers 6th - 8th
Students identify lines of symmetry.  In this symmetry lesson, students create objects and identify their lines of symmetry.  They answer questions about lines of symmetry.  Students cut shapes out of cookie dough and...
Interactive
Curated OER

How Many?

For Students 5th - 6th
For this measurement worksheet, students complete a 12 question multiple choice online interactive assessment about standard modern and ancient measurement.
Lesson Plan
Curated OER

Polygons and Plane Figures

For Teachers 4th - 6th
Students choose a polygon to define and describe, and use Power Point and the Internet to present their polygon.
Lesson Plan
Curated OER

Classify Prisms

For Teachers 6th - 8th
Students classify prisms according to their attributes. In this classifying prisms lesson plan, students explore different prisms. Students generate observations of the attributes and classify the prism correctly.
Lesson Plan
Curated OER

Classifying Pyramids

For Teachers 6th - 7th
Students study pyramids. For this prisms lesson, students explore the attributes of pyramids. Students will explore the lateral surface area of pyramids and be able to distinguish pyramids from other space shapes.
Lesson Plan
Curated OER

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,...
Lesson Plan
Curated OER

Mineralogy, Astronomy, & Ancient Wisdom

For Teachers 5th - 8th
Pupils complete a variety of activities surrounding minerals, crystals, and mineralogy. They locate common minerals on a world map, complete a lab in which they identify the chemical and physical properties of various minerals, etc.
Lesson Plan
Curated OER

Checking County Numbers

For Teachers 4th - 8th
Learners use their county's information page to gather information about their community. Using the information, they create graphs from the tables provided and interpret the data. They write a paragraph showing their interpretation of...
Unit Plan
Cuemath

Cuemath: Solid Shapes

For Students 3rd - 8th Standards
Explore the world of solid shapes in this mini-lesson. Provides a definition, interactive examples, and interesting practice questions that help with understanding.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Faces, Edges, and Vertices of Solids

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify and describe the faces, edges and vertices of solid figures. Students examine guided notes, review guided practice, watch...

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