Lesson Plan
Teach Engineering

Discovering Relationships Between Side Length and Area

For Students 9th - 12th Standards
Consider the relationship between side length and area as an input-output function. Scholars create input-output tables for the area of squares to determine an equation in the first installment of a three-part unit. Ditto for the area of...
Lesson Plan
Curated OER

Geometry Flip Book

For Teachers 3rd - 5th
Students investigate the concepts of geometry that can be grouped into a flip book that can be used for teaching and review purposes. They define the differences between two and three dimensional figures. Also polygons are reviewed and...
Lesson Plan
Curated OER

Medieval Mathematicians and Whimsical Windows

For Teachers 3rd
Third graders demonstrate their mathematical knowledge of symmetry and reflection using congruent geometric shapes while working as an artist and mathematician looking at a medieval-styled stained glass window.
Lesson Plan
Curated OER

Exploring Arrangements of 2, 3, 4, and 5 Cubes

For Teachers 8th - 10th
Students use problem solving skills to create various models of tricubes, tetracubes, and pentacubes. They classify the cubes into various groupings and identify them as mirror images, regular arrangements, and irregular arrangements....
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

Geometry, Measurement & Reasoning

For Teachers 9th - 11th
Young scholars construct two-column proofs. In this geometry lesson, students use deductive reasoning and geometric properties to justify given geometric statements. Young scholars compare and contrast proofs.
Lesson Plan
Curated OER

Similar Triangles - Geometry Exploration

For Teachers 8th
Eighth graders become engaged in a lesson plan in geometry to improve mathematical skills. They construct triangles, segments, and points using Geometer's Sketchpad to demonstrate how dilations of triangles and rectangles change...
Lesson Plan
Curated OER

What's Your Design?

For Teachers 6th - 8th
Sixth grade students: design a stained glass window, submitting their initial plan detailing the measurements of all lines and angles. Seventh grade students: create a scale drawing of their own geometric family of four members.
Lesson Plan
Curated OER

Paragraph Proofs

For Teachers 9th - 12th
Young scholars explore the concept of paragraph proofs. In this paragraph proofs lesson, students make flow charts of the process of getting ready for school. Young scholars convert the flow chart to a paragraph proof. Students use...
Worksheet
Curated OER

Family Activity: Triangles and Quadrilaterals

For Students 6th - 8th
In this triangles and quadrilaterals worksheet, students solve 7 short answer problems. Students find objects around the house that are constructed from triangles, parallelograms, trapezoids, squares, rectangles. Students sketch the...
Lesson Plan
Curated OER

Tessellations

For Teachers 7th
Seventh graders investigate geometric shapes using tessellations. In this geometry activity, 7th graders practice tessellations using different shapes. They create different designs using tessellations.
Lesson Plan
Curated OER

Silly Symmetrical Names

For Teachers 4th
Fourth graders participate in hands-on activities to introduce them to the concept of symmetry. They make a silly symmetrical picture out of their names after gluing them onto a larger sheet of construction paper. This is a really...
Worksheet
Curated OER

Triangle Exercises

For Students 6th - 8th
In this math worksheet, students determine the name for each triangle according to its classification. Then they create a truss construction model.
Lesson Plan
Curated OER

Midsegments of a Triangle

For Teachers 9th - 12th Standards
Students analyze midsegments of triangles in this lesson. They use Cabri Jr. software to observe the relationships between interior angles and midsegments of triangles. Specific instructions for creating this lesson in Cabri Jr. are...
Lesson Plan
Curated OER

Cubes Everywhere

For Teachers 6th - 7th
Young scholars use cubes to construct and visualize two-and three-dimensional shapes to develop spatial thinking and review basic geometric principles through real-life applications. They are given the opportunity to build and build and...
Lesson Plan
Curated OER

Triangles

For Teachers 6th - 10th
Students identify triangles in the real world and construct their own triangle using drinking straws. They explore abstract triangles and find additional geometric shapes such as trapezoids. Students discuss similar shapes and examine...
Lesson Plan
Curated OER

Lines and Angles

For Teachers 6th
Sixth graders explore lines and angles. They create visual representations of lines, rays and angles by drawing them on paper and using a geoboard. On paper, 6th graders write a summary of the characteristics of their representations.
Lesson Plan
Curated OER

Incredible Edible Bridges

For Teachers 7th - 10th
Students create a bridge using engineering and geometric concepts. In this geometry lesson plan, students identify the missing measures of polygons sides and angles. They work together to solve real life situation using problem...
Lesson Plan
Curated OER

Fun With Fractals

For Teachers 7th - 11th
Pupils use fractals to analyze nature. In this geometry lesson, students work in groups using technology and math to communicate. They identify where in the real world fractal can be seen.
Lesson Plan
Curated OER

Opening A Cube

For Teachers 5th
Fifth graders investigate mathematical concepts related to the construction of a three dimensional cube. They construct the cube from two dimensional patterns and compute the surface area. Students also define the faces, edges, and...
Lesson Plan
Curated OER

Shapes!

For Teachers Pre-K - K
Students identify five basic geometric shapes by naming them according to their defining characteristics. They draw the shapes and identify food with similar shapes.
Lesson Plan
Curated OER

Area of Parallelograms and Triangles

For Teachers 8th - 10th
Young scholars explain the formula for finding the area of a paralellogram and its relation to the area of a rectangle. Finally, they construct the formula for the area of a paralellogram.
Lesson Plan
Curated OER

A Lesson on the Root Spiral

For Teachers 9th - 10th
Students create lines and shapes with a compass and a straight edge. In this geometry lesson, students investigate square roots, irrational numbers and spirals. They explore nature to see the shapes representing mathematics and geometric...
Lesson Plan
Curated OER

Cubic Unit Models

For Teachers 4th
Fourth graders find the volume of solids. In groups, 4th graders use spinners to determine the dimensions of solids. They construct the shapes, creating a model of the figure Students count the cubes in the model to determine the...