Lesson Plan
Curated OER

Geometry Review

For Teachers 7th
Seventh graders explore basic geometric definitions involving angles, area, and circumference. To reinforce basic geometric concepts, they play a "lightning Flash" card game. Students discuss chores or jobs that require the use of...
Lesson Plan
Curated OER

Geometry and Measurement

For Teachers 6th - 8th
Young scholars view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Young scholars use pegboards and string to...
Lesson Plan
Curated OER

"School Shape Scavenger Hunt"

For Teachers 2nd - 5th
Students, in groups, venture onto the schoolground on a scavenger hunt for shapes. They are given tasks: recorder, team leader, presenter, reporter, and behavior guidelines and a time limit. They search the school for shapes found in...
Lesson Plan
Curated OER

Skittles, Taste the Rainbow

For Teachers 5th
Fifth graders learn and then demonstrate their knowledge of a bar and a circle graph using the classroom data. Students are given a pack of skittles candy. Students create a bar and circle graph indicating the results of the contents of...
Lesson Plan
Curated OER

Topology and Geomery

For Teachers 6th - 9th
Students relate topology to polygons. In this geometry activity, students make the connection between different shapes and topologically equivalent relationships. They use Mobius strips to create and move shapes around.
Lesson Plan
Curated OER

Label the Shapes

For Teachers 1st - 2nd
In this geometry worksheet, students study 4 pictures of shapes and using the word bank, label them. Students then draw the specified shapes in four more problems.
Worksheet
Curated OER

Tangent Lines

For Students 10th
In this tangent lines worksheet, 10th graders solve and complete 13 various types of problems. First, they solve the right triangles for the variables shown. Then, students name a radius, a diameter, a tangent, a secant, a point of...
Lesson Plan
Curated OER

Angles in Standard Positions

For Teachers 9th - 11th
Students identify positive and negative angles using the Unit Circle. In this pre-calculus activity, students identify the different angles on a unit circle using the coordinate plane and the four different quadrants as a guide. They...
Worksheet
Curated OER

Geometry Worksheet: Area (6)

For Students 10th
In this geometry worksheet, 10th graders express the area of the ring between two concentric circles in terms of the length of a segment tangent to the smaller circle.  The one page worksheet contains a drawing of and an explanation...
Lesson Plan
Curated OER

Geometry Journal: Classifying Solids

For Teachers 10th
In this geometry worksheet, 10th graders respond to journal prompts related to prisms and classifying solid shapes.  The two page worksheet contains nine questions.  Answers are included. 
Worksheet
Curated OER

Analytic Geometry-Good Problems from Alex Pintilie

For Students 10th - 12th
For this analytic geometry worksheet, students solve 12 word problems. Problems cover identifying the locus of an equation as well as the locus.
Worksheet
Curated OER

Slides, Flips, and Turns

For Students 2nd
In this geometry worksheet, 2nd graders review how to determine which piece would complete the geometric shape that is pictured. They circle whether it was a flip or a slide to move the piece into position. They draw or write to explain...
Worksheet
Curated OER

Geometry

For Students 7th - 8th
In this line and angles instructional activity, students explore basic geometry vocabulary.  They classify polygons.  Students determine the area and perimeter of given shapes.  They examine the parts of a circle,...
Lesson Plan
Curated OER

Let's Explore the World of Triangles and Quadrilaterals!

For Teachers 2nd
Second graders explore the features of triangles and quadrilaterals. In this lesson on triangles and quadrilaterals, 2nd graders rotate with their group to five different activities all exploring a different aspect of geometry.
Lesson Plan
Curated OER

Introductory to Area (Squares, Rectangles, and Triangles)

For Teachers 6th - 8th
Students explore the concept of finding area. In this finding area lesson, students use knowledge of area of triangles to find area of squares and rectangles. Students find area of irregular figures by breaking the figure down into...
Lesson Plan
Curated OER

Fractions, Decimals, and Percents

For Teachers 6th - 7th
Students connect different mathematical concepts. They create a circle graph. Students then create a question in which they collect data in order to convert fractions to decimals and decimals to percents.
Lesson Plan
Curated OER

Line and Shape Game

For Teachers 9th - 12th
Learners play the "space-breaker" game, in which they are required to create a picture using shapes or lines called out to them) to reinforce the concept of geometric shape and line.
Worksheet
Curated OER

Polygons and Vertices

For Students 9th - 12th
In this geometry worksheet, students analyze different polygons and relate it to a circuit board. They find the odd degree Euler circuit and identify the vertices of the odd degree. There are 3 questions with an answer key.
Lesson Plan
Curated OER

A Snap at Geometry

For Teachers 5th - 6th
Students study geometric images and polyhedrons. In this geometry lesson, students complete several activities to learn about geometric shapes and classify polyhedrons from polygons. Students watch a video, complete a web-directed...
Lesson Plan
Curated OER

"Sir Cumference and the First Round Table" by Cindy Neuschwander

For Teachers 6th - 8th
Students experiment with rearranging shapes to better visualize the Congruence and relationship of geometric shapes.
Lesson Plan
EngageNY

How Do 3D Printers Work?

For Teachers 9th - 10th Standards
If we stack up all the cross sections of a figure, does it create the figure? Pupils make the connection between the complete set of cross sections and the solid. They then view videos in order to see how 3D printers use Cavalerie's...
Lesson Plan
Curated OER

Exploring the Circumcenter of a Triangle

For Teachers 9th - 12th Standards
Students construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson plan, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle....
Worksheet
Curated OER

Identify the Shape

For Students 9th - 10th
10 this geometry activity, students identify the different angles created by polygons and name the shape created based on the number of sides. There is an answer key.
Lesson Plan
Curated OER

Shape Collage Pizza

For Teachers K
Students identify shapes. In this geometry lesson, students cut out various shapes and create a "Shape Collage Pizza." Students glue their shapes onto a pizza template.