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Lesson Plan
Curated OER

Midpoint of a Segment

For Teachers 9th - 12th Standards
Learners revisit midpoint and segments by graphing on the TI or computer. This activity can be done with pencil and paper, but is more interactive if it is done on a TI-navigator.
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Lesson Plan
Curated OER

Tell a Totem Story

For Teachers 4th - 6th
Students study and view pictures of Native American totem poles on the internet. They create totem poles using PowerPoint that represent their family histories using symbols to designate historic events.
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Worksheet
Curated OER

Mobius Card- An Impossible shape

For Students 9th - 11th
In this algebra worksheet, learners solve word problems using linear equations and algebraic symbols. There is one problem with an answer key.
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Lesson Plan
Curated OER

Circumscribing a Circle About a Triangle

For Teachers 9th - 12th Standards
Pupils circumscribe a circle about a triangle. They construct a triangle using Cabri Jr and then circumscribe it. They then use knowledge of perpendicular bisectors and circumcenters to locate the center of the circle and then...
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Lesson Plan
Curated OER

Inscribing a Circle in a Triangle

For Teachers 9th - 12th Standards
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
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Worksheet
Curated OER

Two for One Box Company

For Students 4th
Here is a challenging and thought-provoking math worksheet. In it, learners work together to construct a variety of boxes of different sizes to see if doubling the size of a box really means it can hold twice as much stuff as the...
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Lesson Plan
Curated OER

Two for One Box Company: Student Worksheet

For Teachers 5th - 6th
Fifth and sixth graders work alone or in pairs to determine the volume of paper boxes of various dimensions. Pupils write ratios of dimensions and volumes.
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Lesson Plan
Curated OER

Geo Jammin' - Day 5, Lesson 17: Geo Sakes Alive!

For Teachers 2nd
Second graders, given geometric instructions, try to create their own Geo George puppet.
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Lesson Plan
Curated OER

Geo Jammin'-Day2, Lesson 7: Roll, Roll, Unroll the Scroll

For Teachers 2nd
Second graders write in journals, recording personal thoughts about what they learned and/or something they are wondering about.
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Lesson Plan
Curated OER

Geo Jammin' - Day 6, Lesson 20: Hail, Hail, the Gang's All Here

For Teachers 2nd - 5th
Young scholars use shape puppets to review geometry content. They take turns singing songs, reading students poems, reciting class bulletin board notes and choral poems. They prepare for their summative assessments through play and...
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Lesson Plan
Curated OER

Geometry Scavenger Hunt

For Teachers 6th - 10th
Pupils use the digital camera, identify geometric shapes (in nature as well as man-made), and gain a better understanding of geometric vocabulary. They search for and recognize geometric shapes in unusual settings
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Lesson Plan
Curated OER

Geo Jammin' - Day 4, Lesson 13: Where, Oh Where, Can the Geo Be?

For Teachers 2nd - 4th
Students listen to a story "My Crazy Dream" with an intent to identify shapes in ordinary objects. They raise their hands when they've heard an object whose shape they can identify. They discuss their findings.
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Lesson Plan
Curated OER

Relationships and Functions

For Teachers 5th
Fifth graders describe patterns as relations and functions. In this patterning lesson, 5th graders analyze and continue patterns. Students understand how patterns relate to relations and functions.
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Lesson Plan
Curated OER

What's Your Design?

For Teachers 6th - 8th
Sixth grade learners: design a stained glass window, submitting their initial plan detailing the measurements of all lines and angles. Seventh grade students: create a scale drawing of their own geometric family of four members.
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Lesson Plan
Curated OER

Surface Area of Prisms

For Teachers 9th - 11th
Students calculate the surface area of different prisms. In this geometry instructional activity, students identify the shapes of solids based on the properties of that solid. They calculate the surface area using nets and properties of...
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Lesson Plan
Curated OER

Surface Area of Pyramids

For Teachers 9th - 12th
Pupils identify the surface area of pyramids and other polygons. In this geometry instructional activity, students find the different measurements for the different parts of a polygon. They use the surface area formula to solve for the...
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Lesson Plan
Curated OER

Surface Area of Spheres

For Teachers 9th - 12th
Learners identify the properties of a sphere. In this geometry instructional activity, students calculate the surface area of spheres using the formula derived by nets. They identify the radius and diameter of the sphere.
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Lesson Plan
Curated OER

Investigating Quadrilaterals

For Teachers 4th
Fourth graders discuss the various attributes of quadrilaterals. In groups, they use the attributes to sort quadrilaterals into different classes and a hierarchy. They review the new vocabulary and attributes with a partner to end the...
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Lesson Plan
Curated OER

Reflections

For Teachers 5th
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
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Lesson Plan
Curated OER

Area

For Teachers 4th - 6th
Students use different shapes that represent tangrams to determine the area of a space. In this area lesson plan, students trace shapes and have their partners determine the area of that shape.
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Lesson Plan
Curated OER

Learning about Shapes with Tangrams and the Net

For Teachers 1st - 5th
Learners use tangrams, student literature, and Websites to explore shapes.
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Lesson Plan
Curated OER

Lesson Two: Creating Great Images (of People) for Video

For Teachers 9th - 12th
Young scholars study basic concepts necessary to produce beautiful, professional looking visual compositions (which can then be used in professional television productions).
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Lesson Plan
Curated OER

Our Geometric World

For Teachers 3rd
Third graders explore the attributes of polygons. For this geometric shapes lesson, 3rd graders review quadrilaterals, squares, rectangles, triangles, pentagons, hexagons, and octagons in order to create hanging polygons. Students then...
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Lesson Plan
Curated OER

Haring Inspired Drawing and Sculpture

For Teachers 6th - 8th
Learners research art by identifying the work of Keith Haring. In this sculpting lesson, students utilize the web to examine sculptures and drawings in the style of Keith Haring. Learners utilize sculpting wire, foil, pencils, glue and...