Lesson Plan
Curated OER

Geometry Gymnastics

For Teachers 1st - 2nd
Pupils identify shapes and manipulate 2 and 3 dimensional objects. They view objects from different perspectives and review relative positions (near, far, between). They sing a shape song.
Lesson Plan
Curated OER

Tessellations: Geometry and Symmetry

For Teachers 9th - 12th
Students examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling to...
Lesson Plan
California Mathematics Project

Reflections

For Students 8th - 10th Standards
Reflections are the geometric mirror. Pupils explore this concept as they discover the properties of reflections. They focus on the coordinates of the reflections and look for patterns. This is the third lesson in a seven-part series.
Worksheet
Lane Community College

Review Sheets: College Algebra

For Students 9th - 12th
A jam-packed activity has all the topics you would teach in an Algebra II class with a variety of question styles. Starting with function notation and ending with geometric sequences, there really is something for everyone. Each...
Lesson Plan
Virginia Department of Education

Distance and Midpoint Formulas

For Teachers 9th - 11th Standards
Small groups work through two guided activities to derive the distance and midpoint formulas for the coordinate plane. The activities begin with concrete examples and move to abstract.
Assessment
1
1
CCSS Math Activities

Smarter Balanced Sample Items: High School Math – Claim 3

For Teachers 9th - 12th Standards
Communication is the key. A presentation provides 25 sample items for Claim 3, Communicating Reasoning, for the Smarter Balanced High School Math assessment. Items require pupils to answer the question and provide logical reasoning to...
Lesson Plan
Curated OER

Area and Volume

For Teachers 6th - 8th
Use this geometry review worksheet to have learners complete nine problems involving transformations, area, volume, and unit conversions. They answer one multiple choice question on estimating lengths.
Assessment
1
1
Curated OER

Congruent Segments

For Students 7th - 9th Standards
The task, should your class decide to take it, is to list a series of reflections that transfer a line segment from one position to another. 
Lesson Plan
Curated OER

One Good Turn Deserves Another

For Teachers 1st - 2nd
Students make observations about shapes and 1-, 2-, and 3-dimensional objects. They conduct observations and make predictions regarding transformations of simple geometric shapes. They identify shapes that occur in household items.
Lesson Plan
Curated OER

Scenario Challenge

For Teachers 8th - 10th
Students create a quilt, using different patterns. In this geometry lesson, students apply prior knowledge as they use different patterns to help them create a quilt using transformations and geometric shapes.
Lesson Plan
Curated OER

Properties of Reflections

For Teachers 9th - 10th
Students perform transformation on their polygons. In this geometry lesson, students identify the correct transformation of each shape. They move the polygons around on a coordinate plane. There are extension and homework activities...
Lesson Plan
Curated OER

Symmetry in Paper Airplanes

For Teachers 5th - 8th
Students explore symmetry.  In this geometry and scientific inquiry lesson, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles.  Students measure the plane's angles using a...
Lesson Plan
Curated OER

Angling Your Way Through a Picture

For Teachers 5th - 7th
Students look at the geometry in an artwork. In this art history/geometry lesson, students research the artist Charles Sheeler and look at his painting Stacks in Celebration. They find the different types of lines, angles, and...
Lesson Plan
Curated OER

Piece by Piece

For Teachers 3rd - 4th
Students study quilts. In this history/geometry quilt lesson, students discover the history behind quilt making and get a chance to make quilt blocks of their own. They work independently to make a quilt block out of construction paper...
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

Exploring Characteristics Needed to Prove Two Trianlges Congruent

For Teachers 10th
Tenth graders explore congruent triangles.  In this geometry instructional activity, 10th graders investigate the conditions necessary to prove two triangles congruent.  The instructional activity combines dry erase board...
Lesson Plan
Curated OER

Geogebra Basics

For Teachers 9th - 11th
Students identify basic geometric shapes using Geogebra. In this geometry lesson plan, students work on a laptop as they explore different geometric shapes. They calculate the area and perimeter of triangles.
Lesson Plan
Curated OER

Mira, Mira on the Wall: Reflections

For Teachers 9th - 10th
Students investigate and perform reflections and symmetry. In this geometry instructional activity, students compare and contrast the relationship between reflections and symmetries.
Lesson Plan
Curated OER

Area of Triangle using the Semi-Perimeter and Radius

For Teachers 8th - 10th
Students investigate the properties of circles. In this geometry lesson, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
Lesson Plan
Curated OER

Composition of Reflections

For Teachers 9th - 10th
Students perform reflections and translations of polygons. In this geometry lesson, students perform reflection in two parallel lines. They use Cabri to observe the transformation and rotations of each shape.
Lesson Plan
Curated OER

Creating Fractals

For Teachers 8th - 10th
Students solve problems using fractals. In this geometry lesson plan, students identify properties of fractals. They find patterns in their surroundings and relate it to the real world and math.
Lesson Plan
Curated OER

The Dragon Curve Fractal

For Teachers 8th - 11th
Learners identify the properties of a dragon curve. In this geometry activity, students identify sequences and patterns as they solve fractals. They investigate patterns found in nature.
Lesson Plan
Curated OER

Why can't We Use SSA to Prove Triangles Congruent?

For Teachers 9th - 10th
Students investigate triangles and congruences. In this geometry lesson plan, students differentiate between inductive and deductive reasoning. They differentiate between similar and congruent triangles.
Lesson Plan
Curated OER

Finding the Area of a Parallelogram with Translations

For Teachers 8th - 10th
Students calculate the area of a parallelogram. In this geometry lesson, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.