Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers All
Students examine tessellations and their geometric properties. Students also develop a better understanding of lines, planes, angles, and polygons.
Lesson Plan
Curated OER

Tunnel Traps

For Teachers 1st - 3rd
Pupils identify shapes that match specific shape descriptions involving a range of geometric terms and correct polygon names. They utilize a mathematics educational software program to gain practice.
Lesson Plan
Curated OER

Fashion Day

For Teachers 8th
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
Lesson Plan
Curated OER

Perimeters, Patterns, and Conjectures

For Teachers 7th - 8th
Learners discover patterns and write conjectures relating to perimeters and polygons. Working in cooperative learning groups, they use manipulatives and graphic organizers to solve problems then answer a series of questions in which they...
Lesson Plan
Curated OER

Around and Around We Go

For Teachers 4th
Fourth graders discover that a polygon is a closed figure formed by line segments, and that the perimeter of a polygon is the sum of the lengths of its sides. They utilize a worksheet imbedded in this plan to gain lots of practice with...
Lesson Plan
Curated OER

Cut, Construct and Think 3

For Teachers 5th - 8th
Young scholars identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
Lesson Plan
Curated OER

Cut, Construct and Think - 4

For Teachers 5th - 8th
Learners identify polygons. In this geometric shapes lesson, students identify and describe polygons. Learners create new shapes out of the shapes they are given.
Lesson Plan
Curated OER

Cut, Construct and Think - 6

For Teachers 5th - 8th
Students identify polygons and calculate perimeter. In this geometric shapes lesson plan, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Lesson Plan
Curated OER

Angles in Art Lesson

For Teachers 5th - 9th
Students examine the correlation between art and math. Using their computers, students construct and measure angles. Students identify the properties of angles and polygons. They engage in the Angles program on their Palm and use the...
Lesson Plan
Curated OER

Congruent Coloring

For Teachers 1st
In this mathematics worksheet, 1st graders find the pairs of polygons that are congruent on the sheet. Then they color them the same color and use their ruler to check their selections.
Worksheet
Curated OER

Perimeter

For Students 6th - 7th
In this finding perimeter worksheet, students find the perimeter of each polygon in the first set of problems. Students then write a formula to find each perimeter and solve the second set. Students finish by finding the perimeter for...
Lesson Plan
Curated OER

Tessellating Art

For Teachers 4th
Fourth graders create artwork showing their own unique tessellating shapes. They apply the symmetries of a regular polygon and describe the reflection or rotational symmetry of a figure or object. They share their art work with the class.
Lesson Plan
Curated OER

Algebra: Brackets

For Teachers 9th - 12th
Pupils review and practice negative numbers, rules of signs and of brackets that include addition, subtraction, multiplication and division. Included in this lesson is polygons and expanding brackets. Mastery of mathematical language is...
Lesson Plan
Curated OER

Geometry in the Heavens

For Teachers 9th
Ninth graders access a star worksheet and determine properties of polygons.  In this investigative lesson students complete a worksheet and discuss myths. 
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...
Interactive
Curated OER

Rhombi and Squares Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students identify the missing parts of polygons. They use algebra to solve the equations using the rules of polygons. There are 5 questions with an answer key.
Worksheet
Curated OER

Similar Polygons Homework

For Students 9th - 10th
In this geometry instructional activity, students solve problems using the similarity and congruent theorem. They find the vertices and different parts of polygons using theorems. There are 18 questions.
Lesson Plan
Curated OER

Analyzing Body Angles

For Teachers 10th - 12th
Students investigate angles of polygons. In this geometry instructional activity, students identify the relationship between angles and the number of sides in a polygon. They differentiate between sumilarity anf congruence in angles and...
Lesson Plan
Curated OER

Area of Polygons

For Teachers 9th - 11th
In this geometry worksheet, students analyze the different properties of parallelograms related to their angles, sides and diagonals. There are 5 problems with an answer key.
Worksheet
Curated OER

Area of a Trapezoid

For Students 7th - 8th
In this trapezoid worksheet, students examine given data and compute the area of trapezoids.  They identify the base and height of each figure.  This one-page worksheet contains 18 problems.  Answers are provided.
Worksheet
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figure worksheet, students find the length of a missing side of given triangles and quadrilaterals.  This six-page worksheet contains 24 problems.  Answers are provided on the last page.
Lesson Plan
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Alabama Learning Exchange

Pennies, Pennies and More Pennies

For Teachers 9th - 11th Standards
Learners determine the number of pennies needed to fill a room.  In this pennies lesson plan, students work in groups to determine the number of pennies needed to fill a room.  They compute the probability of the head of a pin...
Lesson Plan
Curated OER

Area of Polygons

For Teachers 9th - 11th
In this geometry worksheet, learners solve for the area of a triangles given the base and the height. There are 6 questions with an answer key.
Worksheet
Curated OER

Angles in Polygons

For Students 10th
In this geometry instructional activity, 10th graders solve problems involving quadrilaterals using the angle sum of quadrilaterals. They solve for linear pairs, opposite angle theorem and triangular angles. There are 5 questions.