Lesson Plan
Curated OER

Standard Treehouse Lesson Plan

For Teachers 7th
Seventh graders investigate the concepts related to the geometry of treehouses that focuses on angles that are similar and congruent. They conduct class discussion in terms of looking at three dimensional shapes that are represented in...
Lesson Plan
Curated OER

THE MEAN INDEX CARD

For Teachers 6th - 8th
Students cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...
Lesson Plan
Curated OER

Who Am I? (Middle School)

For Teachers 3rd
Third graders complete a classroom game used to build understanding of two and three-dimensional shapes. Diagonals, sides, regularity, congruency, angle measurements, parallels, perpendicular, faces, and edges are a few of the vocabulary...
Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Learners complete worksheets involving rotational symmetry. In this geometry lesson, students complete worksheets to identify rotational symmetry and rotations. They compare and contrast rotated figures. Learners examine the relationship...
Lesson Plan
Curated OER

Reflections over Two Lines & Dilations

For Teachers 7th - 9th
Students create reflections over two lines. For this reflections worksheet, students compare and contrast reflections over parallel and intersecting lines. They dilate figures and investigate the effect of the dilation using measurement...
Lesson Plan
Curated OER

Investigating Polygons

For Teachers 4th - 5th
In this math worksheet, students read information about 6 types of polygons and their sides and angles. Students then answer 5 questions about the geometric figures.
Interactive
Curated OER

Proving Lines Parallel Multiple Choice

For Students 10th - 12th
In this geometry worksheet, students identify parallel lines, examine and interpret diagrams, and find the value of corresponding angles and lines.  This one-page worksheet contains 6 multiple-choice problems.  Answers are...
Lesson Plan
Curated OER

Compass Designs

For Teachers 8th - 10th
Learners investigate the properties of two and three dimensional objects. In this geometry lesson, students differentiate polygons based on similarity and congruence. They make observation and interpret the data.
Worksheet
Curated OER

Measuring Angles

For Students 10th
In this measuring angles learning exercise, 10th graders solve and complete 8 various types of problems. First, they use a protractor to find the measure of each angle shown. Then, students find the missing angle measures. They also...
Lesson Plan
Pennsylvania Department of Education

Tetrominoes and Translations

For Teachers 7th - 9th
Students explore geometry by participating in a pattern identification activity. In this tetrominoes instructional activity, students define the characteristics of congruent and symmetrical shapes. Students practice translating shapes...
Lesson Plan
Curated OER

Measuring Body Angles

For Teachers 8th - 10th
Young scholars use technology to graph and compare angles. In this geometry lesson, students range of motion in the environment. They identify the missing parts of polygons using similarity and congruence.
Lesson Plan
Curated OER

Classifying Transformations

For Teachers 7th - 9th
Pupils analyze different polygons by shapes and sides. For this geometry lesson, students differentiate between similar and congruent polygons. They name the different polygons based on the number of sides.
Lesson Plan
Curated OER

Who's In The Fact Family?

For Teachers Pre-K - 2nd
Students study related addition and subtraction facts. In this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
Lesson Plan
Curated OER

Geometry Problem Set I

For Teachers 10th - 11th
Students prove angles congruent by use of vertical angles definition, subtraction postulate, and transitivity postulate.
Lesson Plan
Curated OER

Mirror Tool

For Teachers 9th - 12th
Students define properties of polygons. In this geometry lesson, students differentiate between similar and congruent polygons. They identify and use the properties of solids to solve problems.
Lesson Plan
Curated OER

Mathematics in Robotics

For Teachers 10th - 12th
Learners build and create using math. In this geometry lesson plan, students differentiate between congruent and similarity as they observe polygons. They create robots with different functions using properties of geometry.
Lesson Plan
Curated OER

Arithmetic Artistry

For Teachers 2nd - 4th
Learners create a classroom quilt that illustrates the many unique ways that students use math skills.
Worksheet
Curated OER

Angles and Parallel Lines

For Students 10th
In this angles and parallel lines learning exercise, 10th graders solve 12 different types of problems that include measuring various angles and parallel lines in given figures. First, they find the measure of each angle using the figure...
Lesson Plan
Curated OER

Working With Pattern Blocks

For Teachers 5th
Fifth graders solve mathematical problems using manipulatives in this math lesson for the fifth grade classroom. Various activities are suggested for lesson implementation making this lesson highly adaptable to fit the needs of the...
Lesson Plan
Curated OER

Lines of Symmetry

For Teachers 4th
Fourth graders identify lines of symmetry using reflections and then construct figures that have one or more lines of symmetry. In this symmetry lesson plan, 4th graders use sets of shapes, pattern blocks, a mirror, and more.
Lesson Plan
Curated OER

Triangles in Architecture

For Teachers 10th - 12th
Students find triangles in the real world. In this geometry lesson, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
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

Studying Special Segments in Triangles

For Teachers 8th - 10th
Young scholars investigate special segments in triangles. In this geometry lesson, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
Lesson Plan
Curated OER

Translations

For Teachers 9th - 10th
Students perform translations on different polygons. In this geometry lesson, students create figures that will be used as an assessment to represent transformation. They perform hands on creation and relate it to the real world.