Lesson Plan
Curated OER

Kindergarten Geometry

For Teachers K
Students choose a square of any size and use yarn to show that all 4 sides are the same. They sort the traffic sign cards into groups of squares and non-squares. Also they make a square using Q-tips; tell how you know it is a square.
Worksheet
Curated OER

Islamic Patterns

For Students 5th - 6th
In this geometry and religion learning exercise, students examine a black line picture of an Islamic pattern before identifying the shapes in the pattern. They color the pattern by following the directions given at the bottom of the page.
Lesson Plan
Curated OER

Distance Formula

For Teachers 1st - 11th
Young scholars calculate the distance between two points using the distance formula. In this geometry lesson, students derive the distance formula using the Pythagorean Theorem.
Lesson Plan
Curated OER

CEENBoT Pictionary

For Teachers 8th - 10th
Define and review math vocabulary. Use the CEENBoT to draw pictures that represent each vocabulary word. Pupils work in groups to play math pictionary.
Lesson Plan
Curated OER

Exploring Perimeter

For Teachers 3rd - 5th
Students explore perimeter. In this geometry and measurement lesson, students create squares and rectangles using given perimeters. Students construct four sided shapes with given perimeters using the computer program "Math Keys:...
Lesson Plan
Curated OER

Color Me Square

For Teachers 2nd
Second graders identify and describe basic geometric solids. Working as a class, 2nd graders describe geometric solids using the proper vocabulary and counting faces, bases, corners, and edges. In pairs, students use a computer drawing...
Lesson Plan
Curated OER

A World of Symmetry

For Teachers 6th - 8th
Students identify lines of symmetry.  In this symmetry lesson, students create objects and identify their lines of symmetry.  They answer questions about lines of symmetry.  Students cut shapes out of cookie dough and...
Lesson Plan
Curated OER

Perfectly Puzzling Pentominoes

For Teachers 2nd
Second graders utilize manipulatives (pentominoes) to demonstrate knowledge of: lines of symmetry, slides, reflections (flips), rotations (turns), area, and perimeter. This instructional activity gives students a meaningful way to...
Lesson Plan
Curated OER

Symmetry In Nature

For Teachers 6th - 12th
Young scholars investigate the symmetry that is found in nature. They view shapes and patterns in nature while looking at images. Students look for tessellations while obtaining photographs with a digital camera. The information is used...
Lesson Plan
Curated OER

It Counts

For Teachers K - 2nd
Students explore one to one number correspondence. In this early math lesson, students make observations about and classify plants in order to gain an understanding of using numbers to describe their world.
Lesson Plan
Curated OER

Tile Patterns II: Hexagons

For Teachers 7th - 9th Standards
After learning that the sum of interior angles for triangles is 108 degrees, take it further to show that the sum of angles in any polygon is the same! Using hexagons, pupils practice finding the measure of the six congruent angles. Make...
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

Triangle Sum Theorem

For Teachers 10th
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
Lesson Plan
Curated OER

Symmetry in My World

For Teachers 2nd
Second graders demonstrate understanding of symmetry and identify objects that have symmetry. They use a mirror to get a visual illustration of what symmetry is. They create a collage of symmetrical pictures they find in magazines.
Lesson Plan
Curated OER

Tessellating Ceiling Tiles

For Teachers 5th - 7th
Students transform polygons.  For this tessellating lesson, students design a picture containing a translation and a rotation.  They create a template of a translation or a rotation.  Students tessellate and decorate a...
Lesson Plan
Curated OER

Mr. Lincoln's Hat

For Teachers K - 5th
Bring out the inner artist with this Abraham Lincoln lesson. Elementary students work on a home project creating a hat similar to Abraham Lincoln's hat. They will use geometry and measurement to create the scale of the hat, then...
Lesson Plan
Curated OER

Paper Towel Structure

For Teachers 5th - 8th
Students investigate technology and its purpose in the workplace. In this geometry lesson, students design and build a paper towel structure to investigate motion and forces. They are given a restricted weight and asked to build their...
Worksheet
Curated OER

Circles

For Students 3rd - 4th
In this circles worksheet, learners fill in 6 fill in the blank statements about circles and solve calculate the answers to 13 questions involving different measurements of circles.
Lesson Plan
Curated OER

Mirror Symmetry/Mirror Images

For Teachers 5th - 6th
Students explore lines of symmetry in geometric shapes. In this geometry activity, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
Lesson Plan
Curated OER

What's My Ratio?

For Teachers 3rd - 5th
Students investigate ratios of various objects.  For this ratios of various objects lesson, students draw pictures on graph paper and then dilate or shrink the image.  Students determine the ratio of their pictures. ...
Lesson Plan
Curated OER

Now You See Me, Now You Don't

For Teachers 2nd
Second graders develop an awareness of the power of their minds to work with visual images. All the activities in this unit help strengthen visualization that is an important tool or process in Geometry.
Lesson Plan
Curated OER

Polygons All Around Us!

For Teachers 9th - 12th
Students explore the concept of polygon properties. In this polygon properties lesson, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes in the...
Lesson Plan
Pennsylvania Department of Education

Tangram Challenges

For Teachers Pre-K - 2nd
Students explore geometric concepts by working with Tangram Puzzles. In this Tangram challenge lesson, students use problem-solving tasks that involve physical manipulatives. Students select a picture and use all seven pieces...
Lesson Plan
Curated OER

Finding Areas of Polygons- Extra Practice Worksheet

For Teachers 7th - 9th
In this geometry worksheet, students practice finding the area of 11 polygons using diagrams which include units in both standard and metric measurement. They solve for the area of 11 polygons using words that describe the polygons that...