Lesson Plan
Alabama Learning Exchange

Alex: Geometric Man

For Teachers 3rd - 5th Standards
The students will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book Shape Up! Fun With Triangles and Other Polygons by David A. Adler. They will also...
Lesson Plan
PBS

Pbs: Mathline: Tessellations Wow! [Pdf]

For Teachers 3rd - 5th
An integrated geometry instructional activity on spatial sense in which students identify and use different shapes to create a tessellation. "Through a variety of modalities such as writing, music, art, poetry, and literature, students...
Interactive
GeoGebra

Geogebra: Copy of Classify Two Dimensional Figures

For Students 4th - 6th Standards
User will drag the vertices of the quadrilaterals to decide on the best possible classification.
Activity
Ministerio de Educacion, Cultura y Deporte (Spain)

Cnice: Relacion De Ejercicios Interactivos.

For Students 9th - 10th
In Spanish. Interactive activities online on various geometric and trigonometric concepts such as area, perimeter, secants, tangents, etc. A terrific resource for students. Site is organized acoording to shape. (triangle, quadrilaterals,...
Unit Plan
Cuemath

Cuemath: Equilateral

For Students 9th - 10th Standards
Learn all about the basic properties of equilateral. This lesson targets the meaning of equilateral, shows how to construct equilateral shapes, explores some of the equilateral shapes and properties, and how to apply them while solving...
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Polygons

For Students 9th - 10th Standards
This lesson focuses on polygons; a polygon is a closed, flat shape that has only straight sides. Polygons can have any number of sides and angles, but the sides cannot be curved.
Interactive
CK-12 Foundation

Ck 12: Math Grade 3

For Students 3rd
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Interactive
CK-12 Foundation

Ck 12: Math Grade 4

For Students 4th
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Activity
CK-12 Foundation

Ck 12: Kites

For Students 5th - 8th
[Free Registration/Login Required] Students will move the vertices of the kite to explore how to change the shape of quadrilaterals. Click learn more to watch a video and click challenge me to answer practice question.
Activity
CK-12 Foundation

Ck 12: Parallelogram Classification

For Students 5th - 8th Standards
[Free Registration/Login Required] Students will use the classify different shapes by changing the points on the given shape. Click learn more to watch a video and click challenge me to answer a practice question.
Interactive
Shodor Education Foundation

Shodor Interactivate: Floor Tiles

For Students 9th - 10th Standards
Build a "floor tile" by dragging the corners of a quadrilateral. Learn about tessellation of quadrilateral figures when the shape you built is tiled over an area.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Kite

For Students 9th - 10th
Find a quick, concise explanation of a kite quadrilateral shape. Examples are given and clearly explained.
Activity
Education Development Center

Tune in to Learning: Polygons and Perimeter

For Students 3rd - 5th Standards
Explore different polygons and find their perimeter with this interactive lesson from T.V.411. Students see examples of polygons in everyday life and have immediate feedback to your responses to lesson questions.
Unknown Type
Math Slice

Math Slice: Geometry Slice Special Test

For Students 9th - 10th Standards
A succinct test for assessing geometry concepts. Assessment is scored online giving immediate feedback. An excellent assessment tool.
Website
PBS

Pbs Learning Media: Skateboarding

For Students 3rd - 8th
In this video segment from Cyberchase, Bianca injures her ankle while skateboarding and is confined to her bed. She has trouble reaching a few objects from her bed until her friend gives her a device made up of collapsible...
Handout
Quia

Ixl Learning: Area of Rhombuses

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of rhombuses then try some practice problems to test your understanding.
Handout
Quia

Ixl Learning: Rectangles

For Students 3rd - 5th Standards
Brush up on your math skills relating to rectangles then try some practice problems to test your understanding.
PPT
Sophia Learning

Sophia: Coordinate Geometry of Squares: Lesson 2

For Students 9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices if a quadrilateral, if the shape is a square in a coordinate plane. It is 2 of 2 in the series titled...
Graphic
University of Cambridge

University of Cambridge: Nrich: A Cartesian Puzzle

For Students 3rd - 8th Standards
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.
Graphic
Curated OER

Ic Teachers: Shapes Quadrilaterals

For Students 3rd - 8th
Are you looking for a very basic website that will explain the basic properties of a quadrilateral? Use this site to learn about the properties of a square, rhombus, rectangle, parallelogram, trapezoid, and kite. There are also some...
Graphic
Curated OER

Ic Teachers: Shapes Quadrilaterals

For Students 3rd - 8th
Are you looking for a very basic website that will explain the basic properties of a quadrilateral? Use this site to learn about the properties of a square, rhombus, rectangle, parallelogram, trapezoid, and kite. There are also some...
Graphic
Curated OER

Ic Teachers: Shapes Quadrilaterals

For Students 3rd - 8th
Are you looking for a very basic website that will explain the basic properties of a quadrilateral? Use this site to learn about the properties of a square, rhombus, rectangle, parallelogram, trapezoid, and kite. There are also some...
Graphic
Curated OER

Ic Teachers: Shapes Quadrilaterals

For Students 3rd - 8th
Are you looking for a very basic website that will explain the basic properties of a quadrilateral? Use this site to learn about the properties of a square, rhombus, rectangle, parallelogram, trapezoid, and kite. There are also some...
Graphic
Curated OER

Ic Teachers: Shapes Quadrilaterals

For Students 3rd - 8th
Are you looking for a very basic website that will explain the basic properties of a quadrilateral? Use this site to learn about the properties of a square, rhombus, rectangle, parallelogram, trapezoid, and kite. There are also some...