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McGraw Hill

Glencoe: Self Check Quizzes 2 Quadrilaterals

For Students 6th - 8th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of quadrilaterals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Classifying Quadrilaterals

For Students 4th - 6th
This multimedia that includes a short video [1:19] and other interactive activities on Learn Alberta math resource looks at real-world examples of shape classification in the investigation and solving of crimes. The accompanying...
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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Similar Quadrilaterals

For Teachers 9th - 10th Standards
The goal of this task is to study if the analog of the AA criterion for similarity of triangles holds for different types of quadrilaterals. Aligns with HSG-SRT.A.2.
Activity
Texas Instruments

Texas Instruments: Investigating Quadrilaterals

For Teachers 6th - 8th
Students will create a variety of quadrilaterals using the GEOBOARD APP and identify critical attributes.
Unit Plan
Khan Academy

Khan Academy: Quadrilateral Types

For Students 3rd - 5th Standards
Identify quadrilaterals based on pictures or attributes. Quadrilaterals included are parallelograms, rhombuses, rectangles, and squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Symmetries of a Quadrilateral Ii

For Teachers 9th - 10th Standards
There is exactly one reflection and no rotation that sends the convex quadrilateral ABCD onto itself. What shape(s) could quadrilateral ABCD be? Explain. Aligns with G-CO.A.3.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Symmetries of a Quadrilateral I

For Teachers 9th - 10th Standards
Suppose ABCD is a quadrilateral for which there is exactly one rotation, through an angle larger than 0 degrees and less than 360 degrees, which maps it to itself. Further, no reflections map ABCD to itself. What shape is ABCD? Aligns...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 4.g Lines of Symmetry for Quadrilaterals

For Teachers 3rd - 5th Standards
This task provides young scholars a chance to experiment with reflections of the plane and their impact on specific types of quadrilaterals. Aligns with 4.G.A.3.
Lesson Plan
Beacon Learning Center

Beacon Learning Center: Quad Squad

For Teachers 2nd - 4th Standards
This interactive lesson investigates quadrilaterals and provides students with an opportunity to practice describing their attributes.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe a Midpoint Miracle

For Teachers 9th - 10th Standards
In this task, students are asked to draw a quadrilateral so that no two sides are congruent, no two angles are congruent, and no two sides are parallel. The task gives students the opportunity to prove that if we join the midpoints of a...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Squares on a Coordinate Grid

For Teachers 9th - 10th Standards
The purpose of this task is to use the Pythagorean Theorem and knowledge about quadrilaterals in order to construct squares of different sizes on a coordinate grid. Aligns with G-GPE.B.7.
Activity
Illustrative Mathematics

Illustrative Mathematics: 4.g What Shape Am I?

For Teachers 3rd - 5th Standards
In this task, students ultimately use the definitions they are given for three types of quadrilaterals and what they know about parallel sides to identify that a square fits all the definitions and explain why. Aligns with 4.G.A.2.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Cutting Corners

For Students 9th - 10th Standards
Students will use their knowledge of plane figure attributes to create and view shapes by cutting and rotating shapes to stimulate discussions on names and attributes of various shapes they do not regularly encounter.
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Shape Classification

For Students 6th - 8th
Investigate the properties of triangles, quadrilaterals, and regular polygons using this interactive Learn Alberta math resource. Students are able to practice classifying shapes based on their different properties. Be sure to follow the...
Activity
Cut the Knot

Cut the Knot: Geoboard

For Students 4th - 6th
Students can use the interactive geoboard to create different types of quadrilaterals and investigate the properties of quadrilaterals. Requires Java. The geoboard can also be downloaded for offline use.
Activity
Texas Instruments

Texas Instruments: Perimeters, Areas, and Slopes Oh, My!

For Teachers 9th - 10th Standards
In this activity, students create geometric figures, and use analytic and coordinate geometry to investigate their attributes. They go through the process of proving that a quadrilateral is a parallelogram.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Building a Tile Pattern by Reflecting Octagons

For Teachers 9th - 10th Standards
This task applies reflections to a regular octagon to construct a pattern of four octagons enclosing a quadrilateral. The focus of the task is on using the properties of reflections to deduce that the quadrilateral is actually a square....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Extensions, Bisections, Dissections in Rectangle

For Teachers 9th - 10th Standards
In this task, students must draw a diagram from a verbal description and use their understanding of similar triangles to find the area of a quadrilateral. Aligns with G-SRT.B.5.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g a Rectangle in the Coordinate Plane

For Teachers 8th Standards
For this task, 8th graders are shown a picture of a quadrilateral on a coordinate grid and are asked to use the Pythagorean Theorem to find lengths and to explain why the quadrilateral is a rectangle. Aligns with 8.G.B.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Is This a Parallelogram?

For Teachers 9th - 10th Standards
In the pictured quadrilateral, opposite sides are congruent and students must explain whether this makes it a parallelogram. Aligns with G-CO.C.11.
Lesson Plan
Better Lesson

Better Lesson: Identifying 2 D Shapes

For Teachers 2nd Standards
For 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
Other

Nearpod: 2 D Shapes

For Teachers 3rd
In this activity 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.