Interactive
Curated OER

Have You Got the Angle?: Pre Test

For Students 4th - 8th
In this angles worksheet, students complete multiple choice questions about the shape and number of angles. Students complete 10 questions total.
Lesson Plan
Curated OER

Faces, Vertices, Edges

For Teachers 9th - 10th
Students identify the parts of three dimensional objects. In this geometry lesson, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
Worksheet
Curated OER

Perimeter

For Students 4th - 5th
In this perimeter worksheet, students find the perimeter of 8 geometric shapes. There are instructions and samples on the page.
Lesson Plan
Curated OER

Using Concept Maps to Design 3D Spheres

For Teachers 9th - 12th
Young scholars create three dimensional shapes using concept maps. In this geometry lesson, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.
Lesson Plan
Curated OER

Tessellation Trial and Error

For Teachers 5th - 8th
In this interactive instructional activity, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create...
Lesson Plan
Curated OER

Polygon Monster

For Teachers 1st - 2nd
Students brainstorm different kinds of shapes. They then draw them on the paper and write the name of the shape on the back and then assemble the shapes to make a "monster". Students make up a survey about the monster including its name...
Lesson Plan
Curated OER

Stained Glass Polygons

For Teachers 4th - 6th
Students follow directions to make a stained glass window design of regular and irregular polygons with specific geometric elements. In this geometry lesson plan, students also analyze other classmate's designs.
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...
Lesson Plan
Curated OER

Investigation-On the Surface

For Teachers 5th - 7th
Students 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 activity, students work on a two-question assessment embedded in the plan....
Lesson Plan
Curated OER

Who Let the Dogs Out?

For Teachers 8th - 10th
Pupils calculate the perimeter and area of polygons. In this geometry activity, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in that area.
Worksheet
Curated OER

Congruent Figures

For Students 3rd - 4th
In this geometry worksheet, students select the shape that is congruent to the one given. There are four multiple choice questions for students to complete.
Lesson Plan
Curated OER

What are the Kinds of Triangles?

For Teachers 5th
Fifth graders classify triangles. In this triangle lesson, 5th graders learn about the characteristics that make up a triangle. They are instructed through video, PowerPoint slides, and teacher-led demonstrations.
Lesson Plan
Curated OER

Children's Museum of Houston - Pre/Post Classroom Activities - Nets

For Teachers 3rd - 4th
Students make three dimensional shapes with nets. In this nets lesson plan, students receive nets which they fold to make a three dimensional object. They predict what shape each net will make and verify it after making the net. They use...
Lesson Plan
Futures Channel

Folding Circles

For Teachers 7th - 12th Standards
Students investigate properties of circles. In this geometry lesson plan, students differentiate between similarity and congruence as they observe polygons. They investigate properties of two and three dimensional shape.
Lesson Plan
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Property Lists for Quadrilaterals

For Teachers 9th - 12th
Young scholars establish classifications of shapes by various properties (angles, sides, etc.). They introduce the important properties of common shapes. Students develop an awareness of the wide variety of ways the 2-D shapes can be alike.
Lesson Plan
Curated OER

Transformations

For Teachers 9th - 11th
Several practice exercises suitable for any geometry class working on transformation, symmetry, and tessellation -- especially visual representations of image translation, rotation, and reflection, symmetry, tessellations and tangrams --...
Lesson Plan
Curated OER

Tangrams

For Teachers 4th - 12th
Students construct tangram pieces. Then they make observations and explore patterns with the pieces.
Worksheet
Math Worksheets Land

Partitioning Circles and Rectangles - Matching Worksheet

For Students K - 1st Standards
This geometry idea is simple enough, but you'll need to note the typos in the directions. Learners match quarters and halves on the right to their whole shapes on the left. The shapes on the left are divided to make this concept easier...
Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers All
Students examine tessellations and their geometric properties. Students also develop a better understanding of lines, planes, angles, and polygons.
Lesson Plan
Curated OER

Symmetry of the Southwest

For Teachers 4th
Fourth graders examine mirror symmetry. In this symmetry lesson, 4th graders discover that symmetry is not always vertical or horizontal. Students cut and fold shapes along lines of symmetry.
Lesson Plan
Curated OER

Cut, Construct and Think - 6

For Teachers 5th - 8th
Students identify polygons and calculate perimeter. In this geometric shapes lesson plan, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Worksheet
Curated OER

Wrecked Angle

For Students 9th - 10th
In this geometry activity, students answer questions about triangles and trapezoids as it related to the area of a shape. They make their own polygons and calculate the area.
Lesson Plan
Curated OER

Grade 5: Testing for Tessellations

For Teachers 5th
Fifth graders use formal geometric language to describe polygons (and other shapes) that will tessellate the plane and those that will not. Students make generalizations about the characteristics of a polygon (or other shape) that will...
Lesson Plan
Curated OER

Coordinate Plane

For Teachers 10th
Tenth graders plot points on a coordinate plane. In this geometry lesson, 10th graders identify the different quadrants, plots points on a number line and coordinate plane and solve for the midpoint of line segments.