Lesson Plan
Curated OER

Triangle Exterior Angles Theorem

For Teachers 7th - 9th
Students identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
Lesson Plan
Curated OER

Triangles & Congruence, Proportions & Similarity, Right Triangle & Trigonometry

For Teachers 9th - 12th
Students are introduced to the topic of congruence and proportions in Geometry. Using technology, they construct and validate the properties of various geometric figures and identify whether it is congruent or proportion to the objects...
Lesson Plan
Curated OER

Line Symmetry

For Teachers 4th
Fourth graders identify line symmetry. In this geometry instructional activity, 4th graders are given various pictures and identify if they are symmetrical. Students search through magazines for symmetrical pictures.
Lesson Plan
Curated OER

Building Word Problems

For Teachers 6th
Sixth graders study addition and subtraction facts. In equal groups, they play a race game to correctly solve addition and subtraction problems. Using a PowerPoint presentation, the teacher demonstrates how to write word problems and...
Lesson Plan
Curated OER

Keeping Watch on Coral Reefs

For Teachers 9th - 12th
Students investigate the dangers Coral Reefs face by investigating satellite images.  In this environmental protection lesson, students utilize the Internet to discover the types of satellites and sensors used to provide...
Lesson Plan
Curated OER

Geometric Shapes

For Teachers 5th - 7th
Students identify polygons.  In this geometric shape instructional activity, students explore the characteristics of polygons.  They identify polygons, and classify triangles according to their sides and angles.  Students...
Lesson Plan
Curated OER

Flips, Sides and Turns: Exploring Transformations

For Teachers 4th - 5th
Students use an online dictionaries to define key geometric terms. They explore several websites to help them differentiate the terms reflections, translations and rotations as they apply to geometry and then complete an assessment...
Lesson Plan
Curated OER

Quadrilateral Explorations

For Teachers 9th
Ninth graders identify quadrilaterals and label the vertices of quadrilaterals. they justify their identification of the quadrilaterals. Students work in groups to identify and create quadrilaterals
Lesson Plan
Curated OER

The 3 R's of Common Denominators (Language)

For Teachers 4th - 6th
Young scholars solve various word problems that deal with common denominators, and write the mathematical explanations they used to obtain the solutions.
Lesson Plan
Curated OER

Language Arts: Five Senses Walk

For Teachers 1st
First graders take a discovery walk around the school. They use their observations to compose a class book about their school.
Lesson Plan
Curated OER

Fractions, Equivalent Fractions and Decimals

For Teachers 6th - 8th
Students relate fractions to decimals and find and compare equivalent fractions.
Lesson Plan
Curated OER

Fractions, Equivalent Fractions and Decimals

For Teachers 7th - 8th
Students examine how to relate fractions to decimals and find and compare equivalent fractions.
Lesson Plan
Curated OER

Fraction Jeopardy

For Teachers 3rd - 8th
Students investigate basic concept of fractions by using a version of the game Jeopardy. The game is played using a television monitor or projector for the integration of technology. The lesson is highly engaging and can hold student...
Lesson Plan
Curated OER

Candy Fractions

For Teachers 3rd - 5th
Students use candy to explore fractions and percentages.
Lesson Plan
Curated OER

Applying Prime Factorization

For Teachers 6th
Sixth graders use the prime factorization of numbers to find the greatest common factor and least common multiple. Working in small groups, they solve problems using the greatest common factor and least common multiple.
Lesson Plan
Curated OER

Graphing Linear Inequalities

For Teachers 8th
Eighth graders extend skills for representing and solving linear equations to linear inequalities. Lesson activities build understanding and skill by plotting ordered pairs of numbers that either satisfy or do not satisfy a given...
Lesson Plan
Curated OER

Measure the Angle

For Teachers 7th - 9th
Students measure angles.  In this angle lesson plan, students draw angles.  They  use a protractor to measure angles and identify the angle as straight, right, acute, or obtuse. 
Lesson Plan
Shodor Education Foundation

Tree Diagrams and Probability

For Teachers 7th - 9th Standards
Aspiring statisticians create tree diagrams and figure probabilities of events based on those diagrams. They practice adding and multiplying fractions and explain complementary probabilities. Students use computers activities to make...
Lesson Plan
Curated OER

Lines and Angles

For Teachers 4th - 5th
Students explore Geometry with Twizzlers Candy, pipe cleaners, paper, pencils, and protractors. They manipulate these items to create different angles introduced by the teacher.
Lesson Plan
Curated OER

Can You Measure This?

For Teachers 5th
Fifth graders design their own house, while also using problem-solving skills involving perimeter and area. They exchange houses with a partner and find the perimeter and area of the window, doors, and front side of the house.
Lesson Plan
Curated OER

All About Me Poster

For Teachers Pre-K - 1st
In this biography/autobiography lesson, students read a few biographies and discuss the term and it's characteristics. Students then brainstorm what makes a good biography/autobiography and create an 'All about me' poster. Suggested...
Lesson Plan
Curated OER

Inside Out

For Teachers 4th
Fourth graders, using a straight edge, determine whether a point is inside or outside of a given figure. With worksheets, 4th graders practice analyzing geometric relationships such as parallel to, perpendicular to, etc.
Lesson Plan
Curated OER

Problem Solving Using Power Polygons

For Teachers 3rd - 10th
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
Lesson Plan
Curated OER

Community Building

For Teachers 9th - 11th
Students build different shapes using sketches. In this geometry lesson, students explore measurements and units as they build and create models of buildings. They use SketchUp to create and manipulate shapes.