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Ch 20: Quadrilaterals

About This Chapter

Short and fun video lessons provide an easy way for your 3rd through 5th graders to learn about quadrilaterals. Each lesson offers a multiple-choice quiz so you can see how much they retained after watching the video.

Quadrilaterals - Chapter Summary

This chapter reinforces what 3rd through 5th grade students have learned in school about quadrilaterals. Our math instructors created engaging, 5-minute video lessons that define and discuss the properties of various quadrilateral shapes. Each lesson can be watched as many times as necessary to ensure your students understand the materials. The chapter exam gives students an opportunity to show you what they've learned from watching the video lessons.

Chapter Lessons and Objectives

LessonObjective
What is a Quadrilateral? - Definition, Properties, Types & Example Instructors introduce quadrilaterals and explain how to identify a quadrilateral by its characteristics.
Parallelograms: Definition, Properties, and Proof Theorems Students learn what constitutes a parallelogram and theorems to prove a quadrilateral is a parallelogram.
What is a Rhombus? - Definition and Properties This lesson explains why a quadrilateral is a rhombus.
Kites in Geometry: Definition and Properties Instructors discuss the properties of a kite.
Rectangles: Definition, Properties & Construction Pupils will be presented with the properties and construction of rectangles.
Squares: Definition and Properties Here, the properties of a square are illustrated.
Trapezoids: Definition and Properties Instructors define a trapezoid, including an isosceles trapezoid.
Similarities and Differences of Quadrilaterals Students practice identifying similarities and differences of quadrilaterals.

6 Lessons in Chapter 20: Quadrilaterals
Test your knowledge with a 30-question chapter practice test
Parallelograms: Definition, Properties, and Proof Theorems

1. Parallelograms: Definition, Properties, and Proof Theorems

Watch this video lesson to learn how you can identify parallelograms. You will see the unique properties that belong to the parallelogram. You will see the special side and angle characteristics needed to prove a certain shape is a parallelogram.

What Is a Rhombus? - Definition and Properties

2. What Is a Rhombus? - Definition and Properties

Watch this video lesson to learn why rhombuses are a special type of quadrilateral. Also, learn why a rhombus is also a parallelogram. Watch as we explore the sides and angles of a rhombus.

Kites in Geometry: Definition and Properties

3. Kites in Geometry: Definition and Properties

A kite in geometry looks a lot like a kite in the sky! Watch this video lesson to see for yourself. Also, learn about the side and angle properties of kites that make them unique.

Rectangles: Definition, Properties & Construction

4. Rectangles: Definition, Properties & Construction

Watch this video lesson to learn a bit about rectangles. Learn why rectangles are the building blocks of many homes. Also, learn about the properties that make a rectangle unique from other shapes. Finally, learn how you can draw one.

Squares: Definition and Properties

5. Squares: Definition and Properties

Squares can be found in many places in the real world. Watch this video lesson to see how useful they can be and also to learn how to find the perimeter and area of a square.

Trapezoids: Definition and Properties

6. Trapezoids: Definition and Properties

Watch this video lesson to learn what a trapezoid has to do with a triangle. Also, learn the special words that describe the various parts of a trapezoid. You will also see special types of trapezoids.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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