Quia
Ixl Learning: Area of Trapezoids
Brush up on your math skills relating to the area of trapezoids then try some practice problems to test your understanding.
Quia
Ixl Learning: Area of Parallelograms
Brush up on your math skills relating to the area of parallelograms then try some practice problems to test your understanding.
Quia
Ixl Learning: Area of Rhombuses
Brush up on your math skills relating to the area of rhombuses then try some practice problems to test your understanding.
Quia
Ixl Learning: Rectangles
Brush up on your math skills relating to rectangles then try some practice problems to test your understanding.
Quia
Ixl Learning: Rhombuses
Brush up on your math skills relating to rhombuses then try some practice problems to test your understanding.
Quia
Ixl Learning: Area of Rectangles
Brush up on your math skills relating to the area of rectangles then try some practice problems to test your understanding.
Quia
Ixl Learning: Parallelograms
Brush up on your math skills pertaining to parallelograms then try some practice problems to test your understanding.
Other
Nearpod: 2 D Shapes
In 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.
Other
Nearpod: Special Quadrilaterals
In this lesson on special quadrilaterals, 3rd graders learn key vocabulary, explore right angles and equal side lengths, and apply their learning to a real-world scenario.
Other
Nearpod: Area & Perimeter: Rectangle
In this instructional activity on area and perimeter, 3rd graders will learn how to find the area and perimeter of rectangles by applying formulas.
AAA Math
Aaa Math: Finding the Fourth Angle of a Quadrilateral
An interactive site that instructs and demonstrates how to find the fourth angle of a quadrilateral. This site also has many links to other interactive lessons.
National Council of Teachers of Mathematics
The Math Forum: Suzanne Alejandre: Factor Lesson
Young scholars will discover factoring through the area of a rectangle.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Quadrilateral Criteria [Pdf]
Students are to make quadrilateral on a geoboard that meet a given criteria.
Ducksters
Ducksters: Kids Math: Quadrilaterals
Explore four-sided polygons called quadrilaterals on this site.
ClassFlow
Class Flow: Polygons and Quadrilaterals
[Free Registration/Login Required] Characteristics of polygons and quadrilaterals are presented. Student activities include opportunities to identify these figures.
ClassFlow
Class Flow: Quadrilaterals
[Free Registration/Login Required] This lesson goes deep into properties of parallelograms and special quadrilaterals. It has class interaction, student interaction, student practice, and whole class assessment.
ClassFlow
Class Flow: Quadrilaterals
[Free Registration/Login Required] This flipchart introduces students to quadrilaterals and how to classify them.
ClassFlow
Class Flow: Quadrilaterals
[Free Registration/Login Required] This flipchart introduces five special quadrilaterals and gives characteristics for each. Students can practice drawing quadrilaterals and independent practice is available on the last page.
ClassFlow
Class Flow: Segments and Polygons
[Free Registration/Login Required] This flipchart reviews segments, parallel and perpendicular lines and then introduces polygons including quadrilaterals. It has many real world examples of shapes and includes Activote assessment.
ClassFlow
Class Flow: What Are Quadrilaterals
[Free Registration/Login Required] This flipchart introduces quadrilaterals Utilizing a United streaming video. The flipchart allows students to identify quadrilaterals that are polygons, real world shapes and how other objects contain...
ClassFlow
Class Flow: What Is a Polygon?
[Free Registration/Login Required] Explore the world of polygons. Review the different types of polygons and quadrilaterals. Practice counting angles and sides. Identify specific polygons and create your own polygons.
Math Is Fun
Math Is Fun: Quadrilaterals
Students learn about the terminology and properties associated with quadrilaterals. The learning resource consists of definitions, diagrams, an exploration activity, and examples.
Shmoop University
Shmoop: Basic Geometry: Quadrilaterals
The geometry resource explores quadrilaterals. Descriptions, examples, and practice exercises are included.
National Council of Teachers of Mathematics
The Math Forum: Problems Library Geometry Triangles
This site contains a wealth of problems that deal with the basic definitions of medians, altitudes, angle bisectors, and perpendicular bisectors or the defining characteristics of the different types of triangles. There are also...