Lesson Plan
Curated OER

Expressions of Anti-Racism through Painting: The Puerto Rican Community from West Side Story to Connecticut

For Teachers 7th - 12th
Students create a graffiti wall using their own name or personal symbol. They examine their own understanding of the film as a source of inspiration and listen to the music from the soundtrack as an effective motivation. They make...
Worksheet
Curated OER

Sides and Vertices

For Students 4th - 6th
In this sides and vertices worksheet, students determine which shapes have fewer or more sides and vertices. A reference web site is given for additional activities. 
Worksheet
Curated OER

Sides and Vertices of Shapes

For Students 4th - 6th
In this sides and vertices worksheet, students identify how many sides and vertices various shapes have. A reference web site is given for additional activities.
Worksheet
Curated OER

Faces, Vertices and Sides

For Students 5th - 6th
In this geometry instructional activity, students determine which shapes have more or less vertices, faces or sides. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Polygons: Angles vs. Sides

For Teachers K - 4th
Students analyze the relationship between the number of sides of a polygon and the sum of its angles. Pattern blocks are utilized to trace the outside of the shapes. They make their own outline of a four-sided polygon from the replica of...
Lesson Plan
Curated OER

Variables on Both Sides

For Teachers 9th - 10th
Students solve equations containing variables on both side of the equal sign. In this algebra instructional activity, students combine like terms using opposite signs to get them on one side of the equal sign. They model the equations...
Worksheet
Curated OER

Side Blotched Lizard Maze

For Students 7th - 8th
In this mazes worksheet, students find the best strategy to assist a side-blotched lizard find its prey to eat through an intriguing maze.
Lesson Plan
Curated OER

Simplifying both sides by using the distributive property, and then solving

For Teachers 9th - 10th
Students solve linear equations using the distributive property. In this algebra lesson, students solve linear equations containing variable son both sides of the equal sign. They use the distributive property to simplify the equation.
Worksheet
Curated OER

To Be a Triangle Or Not To Be a Triangle?

For Students 10th
In this triangles worksheet, 10th graders solve and complete 10 different problems that include applying the Triangle Inequality Theorem. First, they use the illustrated triangles and the data table to test the theorem. Then, students...
Lesson Plan
Willow Tree

Ratios and Proportions with Congruent and Similar Polygons

For Students 8th - 11th Standards
Investigate how similar and congruent figures compare. Learners understand congruent figures have congruent sides and angles, but similar figures only have congruent angles — their sides are proportional. After learning the...
Lesson Plan
Virginia Department of Education

How Many Triangles?

For Teachers 9th - 11th Standards
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the...
Assessment
Concord Consortium

Isosceles Triangle Spaces

For Students 7th - 10th Standards
How many different types of triangles can your class name? A discovery lesson guides learners through an exploration of the different triangle types and the relationships between their angles and sides. Using coordinate geometry,...
Lesson Plan
Virginia Department of Education

3-D Figures

For Students 8th Standards
Scholars construct three-dimensional figures to study dimension and side views. Learners build models using linking cubes to match views of different sides. After practicing with models, they attempt to match three-dimensional drawings...
Lesson Plan
Illustrative Mathematics

Lines of Symmetry for Triangles

For Teachers 3rd - 5th Standards
What can symmetry tell us about triangles? After looking at four examples, learners will come to realize that lines of symmetry are different for equilateral, isosceles, and scalene triangles. Use this guided practice activity as an...
Lesson Plan
Illustrative Mathematics

Sum of Angles in a Polygon

For Teachers 8th - 12th Standards
How can learners use algebra to solve a geometry problem? Help learners create an equation that shows the relationship between the number of sides of a polygon and the sum of the interior angles. Students are asked to divide the...
Lesson Plan
Virginia Department of Education

Similar Figures

For Teachers 7th
How similar do figures have to be to be similar figures? Individuals learn to identify similar figures by verifying that angles are congruent and sides are proportional. Additionally, they match the corresponding parts of similar figures.
Lesson Plan
EngageNY

Special Relationships Within Right Triangles—Dividing into Two Similar Sub-Triangles

For Students 9th - 10th Standards
Why are right triangles so special? Pupils begin their study of right triangles by examining similar right triangles. Verifying through proofs, scholars recognize the three similar right triangles formed by drawing the altitude. Once...
Lesson Plan
EngageNY

Prove the Pythagorean Theorem Using Similarity

For Students 9th - 10th Standards
Amaze your classes with the ability to find side lengths of triangles immediately — they'll all want to know your trick! Learners use the Pythagorean Theorem and special right triangle relationships to find missing side lengths.
Lesson Plan
Illustrative Mathematics

Computing Volume Progression 1

For Teachers 5th - 7th Standards
Finding the volume of a right rectangular prism is the focus of the resource.  Worksheet includes a drawing of a cube to help learners visualize the concept. Young geometers will learn that as the side length increases, so does the...
Activity
1
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Illustrative Mathematics

A Midpoint Miracle

For Teachers 9th - 12th Standards
Young geometers develop one of the fundamental properties of quadrilaterals (connecting side midpoints gives a parallelogram) in this short but thought-provoking exercise. Using a combination of hands-on techniques and abstract algebraic...
Lesson Plan
EngageNY

Converse of the Pythagorean Theorem

For Students 8th Standards
Discover a new application of the Pythagorean Theorem. Learners prove and apply the converse of the Pythagorean Theorem in the 17th lesson in a 25-part series. The examples ask learners to verify right triangles using the converse...
Instructional Video14:57
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2
Flipped Math

Similar Figures

For Students 9th - 12th Standards
Use some similar problems to find side lengths. Pupils learn the definition of similar figures and how it relates to corresponding angles and sides. Using the definition, individuals calculate the lengths of missing sides and practice...
Lesson Plan
Curated OER

Geometry Practice: G.G.28 #1: Congruent Triangles

For Teachers 9th - 12th
In this congruent triangles worksheet, students solve four multiple choice problems. Students determine which statement is the appropriate reasoning to say that two triangles are congruent.
Lesson Plan
C-SPAN

Make a “Deliberations” Site

For Teachers 7th - 12th Standards
Many hot button issues require deliberations, even in your classroom! Learners work in teams or as individuals to decide on a deliberation question to make into a Google site. They research the topics in depth, discuss both sides of the...

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