Assessment
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Balanced Assessment

Mirror, Mirror II

For Students 9th - 12th Standards
Apply the concept of similar triangles to design a space in a room. Scholars use similar triangles to determine how a spotlight reflects from a mirror. After drawing the path of the spotlight, individuals find the smallest possible width...
Worksheet
Curated OER

Motions In Geometry

For Students 8th - 10th
In this motions in geometry instructional activity, students draw translations, rotations, and reflections. This three-page instructional activity contains examples, instructions, and 6 problems. The last page contains answers.
Lesson Plan
Curated OER

Modeling Permutation Group

For Teachers 9th - 11th
Students explore the concept of transformations. In this transformations lesson, students construct an equilateral triangle and a square with a circumscribed circle. Students reflect and rotate their constructions.
Lesson Plan
Curated OER

Geometric Collages

For Teachers 4th
Fourth graders investigate the concept of geometric patterning. They create their own patterns with a few basic requirements. The patterns must illustrate the concepts of flipping, 90 and 180 degree rotations. The collages also consist...
Unit Plan
Education Development Center

Language of Algebra

For Teachers 5th - 8th Standards
Don't rush into algebra, let learners visualize, guess, and predict their way to a successful math career. The introductory unit incorporates beginner algebraic concepts with shapes instead of variables. Young mathematicians use a...
Worksheet
Curated OER

Transfromations

For Students 10th
In this geometry worksheet, 10th graders solve questions that involve rotations, reflections, and dilations.  The one page worksheet contains ten multiple choice questions.  Answers are not provided. 
Lesson Plan
Curated OER

Give It a Whirl

For Teachers 3rd - 6th
Students examine and identify polyhedron shapes on a math website. They write journal reflections about two- and three-dimensional shapes, and transform a square into a pinwheel.
Lesson Plan
Curated OER

Reflections of a Quadratic Function

For Teachers 9th - 12th
Learners are asked to explain the relationship between f(s) and f (-x). They are asked to determine how the equation of f(x) differs from the equation of f(-x). Students determine the conditions when f(x) is the same as f(-x). They graph...
Lesson Plan
Curated OER

Punch Patterns

For Teachers 5th
Fifth graders duplicate patterns, guess pattern results and identify the symmetries created. They are given an instructional handout, 5th graders replicate the patterns demonstrated by folding the paper and punching the appropriate...
Lesson Plan
Virginia Department of Education

Dilation

For Teachers 7th Standards
Open up your pupils' eyes and minds on dilations. Scholars perform dilations on a trapezoid on the coordinate plane. They compare the image to the preimage and develop generalizations about dilations.
Lesson Plan
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Curated OER

Reflecting a Rectangle Over a Diagonal

For Teachers 7th - 9th Standards
Use the handout as guided or independent practice in drawing a reflection of a rectangle over a line. Three rectangles are provided for practice in addition to a critical thinking question.
Lesson Plan
Curated OER

Powerful Polygons

For Teachers 2nd - 4th
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Lesson Plan
Curated OER

What are Fractals?

For Teachers 6th - 12th
Middle and high schoolers identify and analyze fractals and research information using the Internet to locate information about them. They look at fractals in relation to nature and other real world situations. Pupils create several...
Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Students complete worksheets involving rotational symmetry. In this geometry instructional activity, students complete worksheets to identify rotational symmetry and rotations. They compare and contrast rotated figures. Students examine...
Worksheet
Curated OER

Shape and Space

For Teachers 9th
NOT A LESSON Students
Lesson Plan
Curated OER

Tessellations

For Teachers 4th - 6th
Learners identify shapes that will tessellate. They construct a tessellation using transformations. Students identify transformations in tessellations. They identify applications of transformations such as tiling and fabric design.
Worksheet
Curated OER

Congruence Activity

For Students 5th Standards
In this congruency instructional activity, 5th graders complete 4 questions about congruent figures and transformations. Page has links to additional activities.
Lesson Plan
Curated OER

Ecology - Biodiversity Lab

For Teachers 9th
Studnents examine the degree of biodiversity that exists in one's everyday environment, in order to develop an understanding of how scientists classify organisms and to explain why biodiversity is important for living things.
Lesson Plan
Curated OER

Making Shapes

For Teachers 10th
Tenth graders construct geometric figures using compasses and protractors.
Lesson Plan
Curated OER

Let's Tesselate

For Teachers 3rd - 4th
Students investigate the geometrical concepts of translation, reflection, and rotation. They make different observations looking for the concepts that are displayed in classroom items like floor tiles, carpet designs, and visuals hung in...
Lesson Plan
Curated OER

How Tall Is That Flag Pole?

For Teachers 6th - 8th
Learners examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
Lesson Plan
Curated OER

Creating Tessellations

For Teachers 3rd
Third graders explore the history of tessellations; then use art and geometry to create an original tessellation.
Lesson Plan
Curated OER

Geometry Scavenger Hunt

For Teachers 6th - 10th
Students 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
Lesson Plan
Curated OER

Figure This

For Teachers 2nd
Second graders identify congruent figures and match shapes using transformation. They work in groups, utilizing a worksheet imbedded in this plan to gain practice identifying congruent shapes.