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Assessment
Balanced Assessment

Plenty of Pentagons

For Students 6th - 8th
Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape formed...
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Activity
Agile Mind

Transforming Graphs of Quadratic Functions

For Teachers 8th - 12th Standards
In the activity on this webpage, learners use interactive graphing technology to investigate transformations of graphs. In the first part of the task, they look at the graph of a quadratic function with coordinates of a few points...
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Lesson Plan
Futures Channel

Folding Circles

For Teachers 7th - 12th Standards
Young scholars investigate properties of circles. For this geometry lesson, students differentiate between similarity and congruence as they observe polygons. They investigate properties of two and three dimensional shape.
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Lesson Plan
Curated OER

Area Unit

For Teachers 9th - 11th
Students solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...
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Lesson Plan
Curated OER

Discovering Pi

For Teachers 9th - 10th
Students relate Pi to a circle. In this circles lesson, students identify the different properties of two dimensional objects. They relate Pi to the circumference, diameter and area of a circle .
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Lesson Plan
Curated OER

Volume and Surface Area: Which Is More?

For Teachers 6th - 8th
Young scholars explore the volume and surface area of three dimensional figures. Through the use of video, students discover three dimensional shapes, their uses in real-life applications, and methods used to calculate their volume and...
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Lesson Plan
Curated OER

A Sphere and Its Net

For Teachers 8th - 12th
Students identify and sketch the nets for sphere. In this geometry lesson plan, students differentiate between two and three dimensional shapes. They find the surface area of each sphere.
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Lesson Plan
Curated OER

Sketching Cones

For Teachers 9th - 12th
Students sketch cones and identify its properties. In this geometry lesson, students calculate the surface area and volume of each three dimensional shape. they define and sketch prisms, pyramids and cylinders.
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Lesson Plan
EngageNY

Rotations, Reflections, and Symmetry

For Teachers 9th - 10th Standards
Lead your high school class on a journey through the world of symmetry and reflections as you discuss geometric principles. Pupils differentiate between reflections and rotations, explore rotational symmetry, and investigate how to...
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Lesson Plan
Curated OER

Cubes Everywhere

For Teachers 6th - 7th
Students use cubes to construct and visualize two-and three-dimensional shapes to develop spatial thinking and review basic geometric principles through real-life applications. They are given the opportunity to build and build and take...
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Lesson Plan
Virginia Department of Education

Vapor Pressure and Colligative Properties

For Teachers 9th - 12th Standards
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson plan that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure...
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Lesson Plan
Curated OER

Quadrilateral Explorations-Grade Nine

For Teachers 9th
Ninth graders investigate quadrilaterals.  For this geometry lesson, 9th graders examine and classify quadrilaterals using the slope, midpoint and distance formulas.  Additionally, students create various quadrilaterals given three point...
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Lesson Plan
Curated OER

Formulas for Volume and Surface Area

For Teachers 7th - 9th
Students calculate the volume and surface area of each shape. In this geometry lesson, students use nets and other three dimensional polygons to create visuals of the volume of a shape. They define important vocabulary words relevant to...
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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
Curated OER

Ratios of Similar Figures

For Teachers 9th - 12th Standards
Students identify the ratios of different triangles. In this geometry lesson, students identify the similarity and differences of triangles. They use the navigator to move the sides of the triangle around.
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Lesson Plan
Curated OER

Volume of Cones

For Teachers 9th - 12th
Students identify the volume of cones and pyramids. In this geometry instructional activity, students derive the formula for cones and pyramids. They calculate the volume of cones and other three dimensional shapes.
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Lesson Plan
Curated OER

Fill and Wrap It Up

For Teachers 6th - 8th
Students find the surface area and volume of the solid figures by measuring the length and the height of each face and base. They use concrete models to derive formulas for finding perimeter, circumference, area, surface area, and volume...
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Lesson Plan
Curated OER

Using 2 and 3 Dimensional Geometric Shapes

For Teachers Pre-K - K
Students explore geometry by participating in a shape identification activity. In this figure dimensions lesson, students identify the difference between 2 and 3 dimensional shapes by their vertices and faces. Students examine blocks in...
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Lesson Plan
Curated OER

Two for One Box Company

For Teachers 8th
Eighth graders experiment to decide if a box that is twice as big holds twice a much. They work the concept of volume and how changing dimensions affect it.
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Lesson Plan
Curated OER

What a View!

For Teachers 4th - 6th
Students examine two- and three-dimensional shapes and figures. Individually, they practice identifying the shape from various viewpoints. By completing this activity, they develop a spatial sense about how figures and shapes are...
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Lesson Plan
Curated OER

NetsS.A. of Prisms

For Teachers 10th - 12th
Students build nets of three-dimensional prisms based on the dimensions they are given for hexagonal prism, triangular prism, rectangular prism. Working in groups, they use their prisms and calculate the Surface Area and Lateral Area.
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Lesson Plan
Curated OER

It's Not All Greek to Me

For Teachers 3rd - 10th
Learners find out the meaning for prefixes used in math vocabulary. By dissecting words used in everyday math, they figure out what the prefix indicates and what the word means. A variety of well-organized worksheets and activities...
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Lesson Plan
Curated OER

Make a Box

For Teachers 10th - 12th
Young scholars use specific dimensions to create a box. For this geometry lesson, students analyze the different properties of two and three dimensional shapes. They make conjectures and use it to solve problems.
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Lesson Plan
Curated OER

Three Dimensional Art of Vertebrates and Invertebrates

For Teachers 9th - 12th
Students, during this twelve week series of lessons, learn basic anatomy through life sketches of human skeletons and shells. They learn fundamentals of line and convey life through sketches learning science through art.