5 Types of Quadrilaterals that are most common are rectangles, parallelograms, squares, rhombus, and trapezoids. In this educational math video for kids, you will learn the definition of a quadrilateral and how to identify the 5 most common types & more! #numbers #educationalvideosforkids #math SUBSCRIBE https://tinyurl.com/yckbu4r5 WATCH MORE https://tinyurl.com/3ksmu7d9 FREE EDUCATIONAL GAMES FOR KIDS! https://www.brainstar.com/ Turtle Diary (Brain Star) creates educational videos for children about math, science, reading, writing, social studies and more! We believe learning can be fun for kids and have made it our passion to design educational interactive games and Youtube videos to help kids get excited about learning, in and out of the classroom. School isn\'t the only place to learn and grow. From ABCs and 123s to the science of motion, Turtle Diary (Brain Star) has kids\' education covered! A quadrilateral is a four- sided polygon with four angles. A Quadrilateral has: Four sides. Four vertices The interior add upto 360 degrees. The five most common types of quadrilaterals are: Rectangle: A quadrilateral with four 90-degree angles. Also opposite sides are parallel and of equal length. Parallelogram: A quadrilateral with opposite sides parallel. also opposite angles are equal. Square: A quadrilateral with four equal sides and four 90 degree angles. Also opposite sides are parallel. Rhombus: A parallelogram with four equal sides. Also opposite sides are parallel and opposite angles are equal. Trapezoid: A quadrilateral that has exactly two sides parallel. Kite: It has two pairs of sides. Each pair is made up of adjacent sides that are equal in length. The angles are equal where the pairs meet. Show Less >>