Lesson Plan
Curated OER

Parallel-o-Home

For Teachers 9th - 12th
Students investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot he...
Worksheet
Curated OER

Area and Periemeter

For Students 10th
For this geometry worksheet, 10th graders determine the area and perimeters of various quadrilaterals and triangles.  The one page worksheet contains ten problems.  Answers are not provided. 
Lesson Plan
Curated OER

Quadrilateral Bunny

For Teachers 9th - 11th
Students identify the properties representing quadrilateral. In this geometry instructional activity, students differentiate between special and regular quadrilaterals. They discuss and demonstrate hierarchy of quadrilaterals.
Lesson Plan
Curated OER

Polygon Quilt

For Teachers 3rd - 5th
Learners participate in a game with different types of polygons. They use triangles to create as many polygons as possible. They also review their colors by having different polygons be a different color.
Lesson Plan
Curated OER

ARE YOU A TRIANGULATEER?

For Teachers 3rd - 6th
Students explore about triangles and their relationship to the worlld around them. They are able to identify triangular shapes in their environment. Students are able to communicate to one another their understanding of triangles outside...
Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Learners build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Learners then switch with a partner to try an make a symmetrical shape.
Lesson Plan
Curated OER

Area of Composite Figure.

For Teachers 10th
Tenth graders predict the shape of a geometric figure in 3D. In this geometry lesson plan, 10th graders construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online...
Lesson Plan
Curated OER

Tangrams

For Teachers 5th
Fifth graders explore the context of how and when to use tangrams in geometry. They create and draw a number of different geometric figures using tangrams. Students work on their visual spatial skills.
Lesson Plan
Curated OER

Exploring Tessellations

For Teachers 5th
Fifth graders examine how to make tessellations. In this tessellation activity, 5th graders review the meaning of the word "polygon" while the teacher shows them various examples. They practice making tiling patterns or tessellation's...
Lesson Plan
Curated OER

Mondrian, Math, and Amazing Colors

For Teachers K - 2nd
Students study geometric shapes, lines, and the primary colors as they create Mondrian-like art prints.
Lesson Plan
Curated OER

Origami Frogs

For Teachers 9th
Ninth graders explore a variety of geometry and science concept while making an origami frog. The fold paper into the shape of a frog and conduct measurement activities including frog leaps.
Lesson Plan
Curated OER

Angles and Parallel Lines

For Teachers 6th
Sixth graders draw parallel and intersecting lines to observe and examine the characteristics of alternate interior angles, vertical angles, corresponding angles, and supplementary angles. Through observation, they discover the...
Lesson Plan
Shodor Education Foundation

An Introduction To Quadrilaterals

For Teachers 3rd - 7th Standards
Young geometers investigate and apply properties of quadrilaterals.  After a review and discussion of key terms, students use a computer applet to explore four-sided figures and classify them according to their attributes. The...
Lesson Plan
NY Learns

Investigation - Looking at Polygons

For Teachers 6th - 8th Standards
Middle schoolers construct polygons by plotting points on a coordinate plane. Pupils connect the points and identify which polygons they have drawn. They will need graph paper to carry out the assigned activities. A vocabulary list,...
Lesson Plan
Curated OER

Angles, Triangles, Quadrilaterals, Circles and Related

For Teachers 6th - 8th
Students classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Students participate in a manipulative...
Lesson Plan
Curated OER

Translations, Reflections, and Rotations

For Teachers 9th - 12th
High schoolers are introduced to the concepts of translation, reflection, and rotation. They practice translating, reflecting, and rotating two-dimensional objects on the coordinate plane. students use computers to learn about the three...
Lesson Plan
Curated OER

Slope Right Up

For Teachers 6th - 8th
Learners use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 6th - 10th
Students explore different types of quadrilaterals. Students define the terminology used with quadrilaterals. They create particular quadrilaterals based on specific characteristics of the quadrilaterals using an online tool.
Lesson Plan
Curated OER

"How Many Snails?" by Robert Wells

For Teachers 6th - 8th
Students represent algebraic patterns in various ways.
Lesson Plan
Curated OER

Minerals

For Teachers 9th - 10th
Young scholars explore the concept of minerals. In this minerals lesson, students discuss how cooling affects the size of crystals. Young scholars discuss how the structure of minerals is a tetrahedron. Students discuss the structure of...
Unknown Type
That Quiz

That Quiz: Practice Test: Shapes

For Students 3rd - 8th Standards
This resource provides a practice geometry quiz for students to use.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 4.7 Theorems About Quadrilaterals

For Students 9th - 10th Standards
Use quadrilateral properties that are unique to parallelograms to prove that the given shape is a parallelogram.
Handout
CK-12 Foundation

Ck 12: Geometry: Perimeter and Area Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide looks at the definitions and units for perimeter, area, and circumference, and at the perimeter and area of different shapes, including regular...
Activity
CK-12 Foundation

Ck 12: Parallelogram Classification

For Students 5th - 8th Standards
[Free Registration/Login Required] Students will use the classify different shapes by changing the points on the given shape. Click learn more to watch a video and click challenge me to answer a practice question.