Lesson Plan
Virginia Department of Education

Properties of Quadrilaterals

For Teachers 9th - 11th Standards
What type of quadrilateral is that? Discover the difference between the types of quadrilaterals. Small groups investigate types of quadrilaterals using geometry software to find their properties. To keep track of the different...
Lesson Plan
Curated OER

Sled Kites and Trigonometry

For Teachers 9th - 12th
Students study the history of kites and their fundamental properties.  In this kites lesson students divide into teams and build and fly kites. 
Lesson Plan
Curated OER

Properties of Parallelograms

For Teachers 9th - 11th
Students identify different properties of parallelograms. In this geometry lesson plan, students complete problems that proves the theorems and properties of parallelograms. They graph the different shapes on paper.
Lesson Plan
Curated OER

Proving Quadrilateral Properties

For Teachers 9th - 11th
Working backwards can sometimes help you see a path to solving a problem. In this chapter, properites of quadrilaterials are proven by looking at flowcharts and working the probem backwards. Worked through examples are given, along with...
Lesson Plan
Curated OER

Rhombi, Kites, and Trapezoids

For Teachers 9th - 12th Standards
High schoolers identify the number of diagonals for each polygon. In this geometry instructional activity, students identify the polygons based on their diagonals and the way it intersect. They create visuals using the navigator to see...
Lesson Plan
Curated OER

Sled Kite

For Teachers K - 8th
Students make and fly a sled kite out of plastic garbage bags, dowel rods, and more. In this kite lesson plan, students plan the kite to have symmetry and make adjustments as they test it.
Lesson Plan
Virginia Department of Education

Exploring Quadrilaterals

For Teachers 6th
Sort this resource into the Use pile. Scholars investigate attributes of quadrilaterals and then use the results to sort and classify the shapes labeling each figure with their properties to justify the classifications.
Lesson Plan
Curated OER

Areas of Trapezoids, Rhombuses and Kites

For Teachers 8th - 10th
Students calculate the area of different polygons. In this geometry lesson, students find the area for trapezoids, rhombuses and kites.
Lesson Plan
Curated OER

Making and Describing Shapes

For Teachers 1st - 3rd
Explore the concept of creating and describing 2D and 3D shapes.  Using geometry your scholars will describe the attributes of shapes and their properties.  They explore and discover what happens when you combine shapes and...
Lesson Plan
Curated OER

Properties of Special Parallelograms

For Teachers 8th - 10th
Students identify properties of parallelograms. In this geometry lesson, students label polygons as parallelogram or not. They define and label the properties of a kite.
Lesson Plan
Curated OER

Geo-Critters (Geometry Critters)

For Teachers 2nd - 5th
Learners read the book The Math Curse by Jon Scieszka and study geometry. In this geometry lesson plan, students identify geometric shapes and their properties. Learners create a geo-critter.
Lesson Plan
Curated OER

Geometry: Classifying Quadrilaterals

For Teachers 6th - 12th
Learners use construction technology to identify and find relationships between the attributes of various quadrilaterals. They make and test conjectures about the distinguishing properties of parallelograms, rectangles, rhombuses,...
Lesson Plan
Curated OER

Fly, Fly Away

For Teachers 9th - 12th
Young scholars use materials from their own environment to design a kite. In this kite design lesson, students research the history of kites and obtain a formal mathematical definition of a kite. Young scholars sketch kite designs after...
Lesson Plan
Curated OER

Isosceles Triangles

For Teachers 9th - 10th
Students identify the properties of an isosceles triangle. In this geometry lesson, students find the midpoint, median and angle bisector of a triangle. They construct angle bisectors and measure missing angles.
Lesson Plan
Curated OER

Quadrilateral within Quadrilaterals

For Teachers 8th - 10th
Pupils investigate the properties of quadrilaterals. In this geometry lesson, students solve problems dealing with construction and designs. They work with quadrilaterals, midpoints and parallelograms.
Lesson Plan
Curated OER

Quadrilateral Bunny

For Teachers 9th - 11th
Students identify the properties representing quadrilateral. For this geometry lesson, students differentiate between special and regular quadrilaterals. They discuss and demonstrate hierarchy of quadrilaterals.
Lesson Plan
Curated OER

Connecting Formulas Related to Geometric Figures

For Teachers 8th - 12th
Students identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
Lesson Plan
Curated OER

Sorting Quadrilaterals

For Teachers 10th
Tenth graders investigate the geometric concept of quadrilaterals. They are given a set of shapes and asked to sort the quadrilaterals from the others. Then working in pairs they discuss the characteristics and write down the description...
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: An Introduction to Quadrilaterals

For Teachers 9th - 10th Standards
Quadrilaterals-parallelograms, rectangles, and trapezoids-are thoroughly introduced in this lesson plan for upper elementary and middle school students. Lots of resources are linked to it to help support the teacher and students....
Lesson Plan
Alabama Learning Exchange

Alex: Geometrica Fights Back!

For Teachers 9th - 10th Standards
This activity is designed to give students practice with the properties of special quadrilaterals (parallelograms, rectangles, rhombuses, squares, trapezoids, and kites). The students are provided with a "murder mystery" sheet with...