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Curated OER

Triangular- Pyramid Net Pattern

For Students 5th - 6th
In this geometry worksheet, students cut out the pattern for a triangular-pyramid net. They cut the pattern on the dotted lines and fold it to make a three-dimensional study model.
Assessment
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Mathematics Assessment Project

Middle School Mathematics Test 1

For Students 6th - 8th
A 13-page test contains two 40-minute sections, which provide word problems and applied analysis to cover material from pre-algebra through geometry.
Worksheet
Curated OER

Visualize 3-D Objects and Make Nets of Common Solids

For Students 3rd - 5th
Prisms are the focus of this geometry worksheet. Students count the number of parts of a prism and chart 26 answers. Vocabulary such as: "faces," "edges," and "verticies" are taught. A well-designed math worksheet!
Lesson Plan
Curated OER

Box It Up

For Teachers 7th - 9th
Students calculate the surface area of prisms. In this geometry lesson, students investigate the properties of prisms and analyze ways to calculate the are of a rectangular prism. They derive the formula for surface area.
Lesson Plan
Curated OER

Geometry Flip Book

For Teachers 3rd - 5th
Students investigate the concepts of geometry that can be grouped into a flip book that can be used for teaching and review purposes. They define the differences between two and three dimensional figures. Also polygons are reviewed and...
Lesson Plan
Curated OER

Similar Triangles - Geometry Exploration

For Teachers 8th
Eighth graders become engaged in a lesson in geometry to improve mathematical skills. They construct triangles, segments, and points using Geometer's Sketchpad to demonstrate how dilations of triangles and rectangles change geometric...
Lesson Plan
Curated OER

Using Nets to Find Surface Area

For Teachers 8th
Eighth graders explore three-dimensional objects (prisms, pyramids, cylinders and cones) to draw nets. They use the understanding of drawing nets to find the surface area of pyramids and cylinders.
Worksheet
Curated OER

Making a Paper Cube Using a One Dimensional Net

For Students 3rd - 5th
In this geometry worksheet, students make a paper cube by following the directions given on the paper, They cut along the outside edge of the net, fold inward along the inside lines, and glue the flaps to hold the shape of the cube.
Lesson Plan
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Investigating Nets and Polyhedra

For Teachers 5th
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
Lesson Plan
EngageNY

How Do Dilations Map Angles?

For Students 9th - 10th Standards
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure. 
Lesson Plan
EngageNY

How Do 3D Printers Work?

For Teachers 9th - 10th Standards
If we stack up all the cross sections of a figure, does it create the figure? Pupils make the connection between the complete set of cross sections and the solid. They then view videos in order to see how 3D printers use Cavalerie's...
Lesson Plan
West Contra Costa Unified School District

Introduction to Conditional Probability

For Teachers 7th - 9th Standards
Here is a turnkey lesson that walks young statisticians through the development and uses of conditional probability. From dice games to surveys, Venn diagrams to frequency tables, the class learns how a given can effect the overall...
Lesson Plan
West Contra Costa Unified School District

Solving Quadratic Equations – Alternative Methods

For Teachers 9th - 12th
There's more than one way to solve quadratic equations. Scholars learn how to solve quadratic equations using alternate methods. They use completing the square by making the linear coefficient even and the leading coefficient a perfect...
Lesson Plan
West Contra Costa Unified School District

Derivative – Standard Definition

For Teachers 11th - Higher Ed
Making a clear connection to algebra concepts helps learners understand the definition of a derivative. The lesson plan begins with looking at limits of simple linear and rational functions, and leads to the definition of...
Lesson Plan
Curated OER

Exploring Polygons and The Greedy Triangle

For Teachers 1st - 3rd
Excellent instructional activity! Anne Linehane's geometry story, The Greedy Triangle, offers an opportunity to practice forming various types of polygons with your learners. Using elastic bands (or Chinese jump...
Lesson Plan
Curated OER

Triangle Wars

For Teachers 5th - 8th
Learners explore geometry by participating in a class card game. In this triangle instructional activity, students utilize playing cards with shapes on them which they group up and discard, similar to "Old Maid." Learners complete a...
Lesson Plan
Curated OER

Tangrams

For Teachers 4th - 12th
Students construct tangram pieces. Then they make observations and explore patterns with the pieces.
Lesson Plan
Curated OER

Sketching Cylinders

For Teachers 9th - 11th
Students create nets of cylinders. In this geometry lesson, students calculate the surface area of cylinders and other solids. They show their understanding of three-dimensional shapes by solving problems.
Lesson Plan
Curated OER

Building With Triangles

For Teachers 4th
Fourth graders use two different techniques to construct triangles with specific dimensions. They determine how to construct nets for three-dimensional objects focusing on those made with equilateral triangles. They are able to name the...
Lesson Plan
Curated OER

Attributes & Nets of a Cube

For Teachers 3rd
Third graders engage in a lesson that focuses on the attributes and forming of a cube. They construct a cube using different combinations while comparing a square with only two-dimensions. Students fold paper while following the...
Lesson Plan
Curated OER

Translating Transformations in Geometry

For Teachers 9th - 12th
High schoolers create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
Lesson Plan
Curated OER

Measuring the Earth

For Teachers 9th - 12th
Students use principles of geometry to measure the circumference of the Earth. In this applied geometry lesson, students use mathematics to determine scientific information. They make measurements, calculate the central angle, and...
Lesson Plan
Curated OER

Mandalas, Polygons and Symmetry

For Teachers 9th - 11th
Students create a geometric pattern using mandalas, polygons and symmetry. In this geometry lesson, students analyze the mathematics involved in making the mandalas, including the shapes and symmetry. Students create their own mandalas...
Lesson Plan
Curated OER

Scatter Plots

For Teachers 9th - 11th
In this Algebra I/Geometry/Algebra II worksheet, students create a scatter plot and analyze the data to determine if the data show any type of correlation.  The four page worksheet provides extensive explanation of topic,...