Unit Plan
Math Is Fun

Math Is Fun: Interactive Quadrilaterals

For Students 3rd - 8th Standards
Resize and rotate different types of quadrilaterals--square, rectangle, rhombus, trapezoid, and kite--while learning the definitions of these different shapes and labeling the angles and diagonals. CCSS.Math.Content.3.G.A.1 Understand...
Handout
Khan Academy

Khan Academy: Identifying Quadrilaterals

For Students 3rd Standards
Learn about the properties of rectangles, rhombuses, and squares, and practice identifying them. Includes hints for questions. CCSS.Math.Content.3.G.A.1 Understand that shapes in different categories
Unit Plan
Khan Academy

Khan Academy: Identify Quadrilaterals

For Students 2nd - 4th Standards
Identify squares, rectangles, and rhombuses. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.G.A.1 Understand that shapes in different categories
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Visually Identifying Quadrilaterals

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Cursor down if needed to locate the video "Visually Identifying Quadrilaterals (Trapezoids, Parallelograms, Rectangles, Squares, Rhombi)." Students watch a video and...
Handout
Khan Academy

Khan Academy: Quadrilaterals Review

For Students 4th
After reviewing the properties of different quadrilaterals, students answer questions about each type.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Quadrilaterals by Description

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to identify which type of quadrilateral matches the description given. Includes video demonstrating a sample problem...
Lesson Plan
Better Lesson

Better Lesson: Quadrilateral or Parallelogram?

For Teachers 3rd Standards
Third graders discover the differences between quadrilaterals and parallelograms with everyday items found in the classroom.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 4.7 Theorems About Quadrilaterals

For Students 9th - 10th Standards
Use quadrilateral properties that are unique to parallelograms to prove that the given shape is a parallelogram.
Lesson Plan
Other

Nearpod: 2 D Shapes

For Teachers 3rd
For this lesson on 2D shapes, 3rd graders will learn to discriminate quadrilaterals from other polygons. Additionally, they will be able to identify attributes of a square, rectangle, and rhombus.
Handout
Math Open Reference

Math Open Reference: Quadrilateral

For Students 9th - 10th Standards
Learn about quadrilaterals with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhance further explanation. Includes links to related topics.
Handout
Quia

Ixl Learning: Types of Quadrilaterals

For Students 3rd - 5th Standards
Brush up on your math skills relating to the types of quadrilaterals then try some practice problems to test your understanding.
Unit Plan
Khan Academy

Khan Academy: Name Shapes 4

For Students 1st - 3rd Standards
Practice identifying quadrilaterals, pentagons, hexagons, and octagons. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints.
Handout
Science Struck

Science Struck: List of Different Types of Geometric Shapes

For Students 4th - 8th Standards
A comprehensive list of 2D shapes and 3D solids with everything from a triangle to a dodecahedron. Includes illustrations and short descriptions of attributes for each.
Lesson Plan
Better Lesson

Better Lesson: Identifying 2 D Shapes

For Teachers 2nd Standards
In this activity, 2nd graders will identify shapes found around the room by recognizing their attributes such as number of angles, vertexes, and faces.
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....
Unit Plan
Mangahigh

Mangahigh: Shape: Quadrilaterals Inscribed in Circles

For Students 9th - 10th Standards
Determine the missing angle measures of quadrilaterals inscribed in circles.
Lesson Plan
Alabama Learning Exchange

Alex: A What? A What? A Quadrilateral

For Teachers 3rd - 5th Standards
In this lesson, learners will identify the characteristics of a quadrilateral. Students will have a chance categorize quadrilaterals into subgroups such as squares, rhombuses, rectangles, and nonregular quadrilaterals. This lesson using...
Activity
Other

Gvsu: Quadrilateral Hunt

For Students 9th - 10th
The learning activity asks students to identify quadrilaterals by characteristics rather than appearance. Learners drag the vertices of the shape to reveal the true shape of the quadrilateral. [Requires Java.]
Unit Plan
BBC

Bbc: Ks3 Bitesize: Properties of Quadrilaterals

For Students 5th - 8th Standards
The tutorial examines the different properties of quadrilaterals. The table consists of picture of the shape and a list of the shape's properties.
Interactive
Mangahigh

Mangahigh: Pyramid Panic: Basic Shapes to Advanced Geometry

For Students 9th - 10th Standards
Guide a mummy safely through the burial chambers of a pyramid as you solve length and area problems in basic to advanced geometry. There are four game zones that deal with circles and triangles, quadrilaterals, the Pythagorean Theorem,...
Study Guide
Oswego City School District

Regents Exam Prep Center: Study of Quadrilaterals

For Students 9th - 10th
An interesting technique is used for student viewers to learn about quadrilaterals. A viewer can meet the quadrilateral family by clicking on a link and characters will introduce themselves and tell you about their distinguishing...
Unit Plan
BBC

Bbc: Bitesize: Maths: 2 D Shapes

For Students 2nd - 8th Standards
Learn about the properties of 2-D shapes: circles, triangles, polygons, and quadrilaterals. Includes information, video, and examples about each, with games and quizzes for reinforcement.
Interactive
Mangahigh

Mangahigh: Shape: Area of Quadrilaterals

For Students 5th - 7th Standards
Test your knowledge of the area of quadrilaterals.
Activity
Texas Instruments

Texas Instruments: Investigating Segments in a Quadrilateral

For Teachers 9th - 10th Standards
In this activity, students use the tools of Cabri Jr to test their knowledge of geometry. They investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral.