Lesson Plan
Curated OER

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
Lesson Plan
Curated OER

Translations, Reflections and Rotations

For Teachers 5th
Fifth graders use the Internet to learn about translations, reflections and rotations. Students access the Transmographer program on the Internet, where they practice what they have learned. Students also complete a worksheet.
Lesson Plan
Curated OER

Geometry: Tessellations

For Teachers 2nd - 3rd
Students create tessellations with computer software while applying their knowledge of reflections, rotations, and translations.
Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 8th - 10th
Students use the inequality theorem to solve triangles and their properties. In this geometry lesson, students are given spaghetti of different lengths and asked to create triangles. They conclude the necessary length needed to make a...
Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 9th - 12th
Learners explore the concept of quadrilaterals. For this quadrilateral lesson, students play with a floor tile applet to see that there are many types and characteristics of quadrilaterals including parallelograms, trapezoids,...
Lesson Plan
Curated OER

Quandaries, Quagmires, and Quadrilaterals

For Teachers 3rd - 5th
Students classify, flip, slide, and turn a quantity of quadrilaterals.
Lesson Plan
Curated OER

Quadrilaterals

For Teachers 10th
In this geometry worksheet, 10th graders solve problems with quadrilaterals. They calculate the sum of the angles, find missing angles and identify properties of quadrilaterals. There are 16 questions with an answer key.
Lesson Plan
Curated OER

Applying Proportionality in Scale Drawings

For Teachers 6th
Sixth graders examine a blue print and discuss the reasoning behind using blue prints. In this proportionality instructional activity,  students collaborate with their teammates to create a scale drawing. Once that is complete, 6th...
Lesson Plan
Curated OER

Identifying Lines of Symmetry and Creating Reflections over a Line

For Teachers 6th - 8th
Fifth graders review the concept of a line of symmetry by using pieces of paper that have pictures such as, letters of the alphabet, polygons, and designs made from polygons in order to determine if they have symmetry. The fine,...
Lesson Plan
Curated OER

SuperShapes, Part 1; "Tri"ing Triangles

For Teachers 5th - 6th
An outstanding lesson on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...
Printables
Virginia Department of Education

Middle School Mathematics Vocabulary Word Wall Cards

For Teachers 5th - 9th
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Lesson Plan
Willow Tree

Angle Sum Property of Triangles

For Students 8th - 11th Standards
All triangles have some things in common. Using these properties of triangles, learners find missing angle measures. Scholars use the Angle Sum Property and properties of special triangles throughout the lesson.
Lesson Plan
Curated OER

Building Big and Strong

For Teachers 6th - 9th
Middle and high schoolers explore the concepts of architectural rigidity. They analyze a variety of polygons, and explain why some shapes add more strength to structures than others. The PBS video, "Building Big," is utilized in this plan.
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,...
Lesson Plan
Curated OER

How Tall Is That Flag Pole?

For Teachers 6th - 8th
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
Lesson Plan
Curated OER

Translations, Reflections, and Rotations

For Teachers 10th
Tenth graders have been introduced to the concepts of translation, reflection, and rotation, and have practiced translating, reflecting, and rotating two-dimensional objects on the coordinate plane.
Lesson Plan
Curated OER

What a SHAPEly Fit!

For Teachers 3rd - 5th
Learners identify and explore the attributes of polygons. They design and create a quilt square using polygons, and produce a class quilt.
Lesson Plan
Curated OER

Pysanky: Not Just a Pretty Egg

For Teachers K - 6th
Students examine the art of Pysanky. Using the Internet, they identify the cultural similarities and differences between the United States and the Ukraine. Using Pysanky's art, they discover the symbolism he used in his artwork and...
Lesson Plan
Curated OER

Getting Familiar with Fractals

For Teachers 9th - 12th
Students use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.
Lesson Plan
Curated OER

Teaching the Bell Tetrahedral Kite

For Teachers 4th - 8th
Students complete readings on kite making and kite flying. They analyze how the parts of a system interconnect and influence each other. Students identifies and uses color and form in a 3D artwork.
Lesson Plan
Curated OER

Exploring Volume of Cylinders

For Teachers 10th
Tenth graders investigate the volume of a cylinder.  In this geometry lesson, 10th graders create three-dimensional cylinders and use a ruler to determine the dimensions.  The lesson progresses to the use of the formula to find...
Worksheet
Curated OER

Angles and Parallel Lines

For Students 8th - 10th
For this geometry worksheet, students identify the interior and exterior angles of parallel lines cut by a transversal. There are 11 questions with an answer key.
Lesson Plan
Curated OER

Learning about Shapes with Tangrams and the Net

For Teachers 1st - 5th
Students use tangrams, student literature, and Websites to explore shapes.
Lesson Plan
Curated OER

Governor's Garden

For Teachers 9th - 12th
High schoolers review types of polygons and list several examples of each. They assume the role of a landscape artist interviewing for a job. They create sketches of their plans for six polygonal gardens and write an expository paragraph...