Lesson Plan
Curated OER

Finite Geometry

For Teachers 9th - 10th
Students solve for the area and perimeter of polygons. For this geometry lesson, students identify repeated patterns and create formula to solve problems. They make conjectures and prove hypotheses.
Lesson Plan
Curated OER

Cut It Out!

For Teachers 8th - 11th
Students calculate the surface area of polygons. In this geometry lesson, students use spacial reasoning to find the answer to their problem. They analyze solids and create formulas to estimate the measurements of the area.
Lesson Plan
Curated OER

Up For Change?

For Teachers 7th - 9th
Students explore similar objects. They participate in a series of hands-on, multimedia and online activities to examine how the edge length affects the angle measures, perimeters and areas of similar regular polygons. Students find the...
Lesson Plan
Curated OER

Properties of Special Quadrilaterals

For Teachers 9th - 12th Standards
Teach your mathematicians how to identify the properties of quadrilaterals. In this geometry instructional activity, students solve for missing angles and sides of a special quadrilateral. They use the TI to move the sides around and...
Worksheet
Curated OER

Geometric Word Problems

For Students 10th
In this geometric figures worksheet, 10th graders solve and complete 11 different word problems. First, they find the area of a regular octagon with a given side. Then, students find the area of each shaded region. They also find the...
Lesson Plan
Curated OER

Diagonals of Quadrilaterals

For Teachers 9th - 12th Standards
Teach your mathematicians how to identify different polygons based on their diagonals. Relating quadrilaterals to the different number of diagonals formed, students use the TI to create a visual of their shape.
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,...
Unit Plan
PBS

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
Lesson Plan
Curated OER

Poly-Mania

For Teachers 9th - 12th
This hands-on lesson takes young geometers on a tour of 2D polygons and 3D polyhedrons. After exploring different web resources and discussing geometric shapes, small groups construct models of polyhedrons using bendable straws. Note:...
Lesson Plan
Curated OER

The Very Busy Spider

For Teachers 3rd - 4th
Youngsters explore visual arts by participating in a geometry identification activity. They read the book The Very Busy Spider and identify the techniques spiders use to create webs. Have you ever noticed that their webs are geometric...
Assessment
Noyce Foundation

Pizza Crusts

For Teachers 6th Standards
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
Activity
Education Development Center

Finding Triangle Vertices

For Teachers 6th - 7th Standards
Where in the world (or at least in the coordinate plane) is the third vertex? Given two coordinate points for the vertices of a triangle, individuals find the location of the third vertex. They read an account of fictional...
Lesson Plan
Curated OER

Properties of Parallelograms

For Teachers 9th - Higher Ed Standards
Scholars explore parallelograms in this geometry lesson plan. They investigate the properties of a parallelogram. Assisted by technology, your learners will construct a parallelogram and examine the sides, angles, and diagonals to...
Worksheet
Curated OER

Geometry Review

For Students 9th - 10th
For this geometry worksheet, students are given the sides of polygons and asked to solve for the perimeter and area of the polygons. There are 8 questions with an answer key.
Lesson Plan
Curated OER

Investigating Area Using Tangrams

For Teachers 10th
Tenth graders connect the history of geometry to problem solving. In this geometry lesson, 10th graders investigate polygons through hands on manipulatives and solve problems relating to parallelograms and triangles. They calculate the...
Worksheet
Curated OER

Geometry Review

For Students 9th - 11th
For this geometry worksheet, students calculate the perimeter of different polygons given the sides. They also calculate the area of the shapes. There are 8 questions with an answer key.
Worksheet
Curated OER

1st Geometry

For Teachers 3rd - 6th
In this geometry worksheet, students choose the multiple choice answer to 15 questions involving several different elements of geometry.
Worksheet
Curated OER

Perimeter, Area and Volume

For Students 10th
In this geometry worksheet, 10th graders solve problems by finding the perimeter, area and volume of polygons. There are 17 questions with an answer key.
Lesson Plan
Curated OER

Areas and Volumes

For Teachers 10th
Tenth graders calculate the area and the volumes of polygons. In this geometry lesson plan, 10th graders review the formulas used to solve for the area and volume and explain to the class how they arrived at their answer. They search...
Worksheet
Curated OER

Geometry Worksheet

For Students 10th - 12th
For this geometry worksheet, students find the area of four polygons. They compute the measure of an angle. Students find the length of the sides of a right triangle. They name one arc and find the measure of two arcs.
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. 
Unit Plan
Illinois Valley Community College

STEM Activities for Middle School Students

For Teachers 6th - 8th Standards
Use STEM activities within the class to provide connections to concepts. The resource includes activities that range from working with buoyancy to building rockets and launching them. Other activities involve the engineering design...
Lesson Plan
Mascil Project

Circular Pave-Stones Backyard

For Teachers 6th - 12th Standards
Pack the lesson into your plans. Young mathematicians learn about packing and optimization with the context of circular paving stones. They use coins to model the paving stones, and then apply knowledge of circles and polygons to...
Worksheet
Curated OER

Area Review

For Students 9th - 10th
For this geometry worksheet, students calculate the area and different polygons such as squares, parallelogram, and rectangles. There are 15 questions with an answer key.