The sum of interior angles in a quadrilateral is 360°. This fact is a more specific example of the equation for calculating the sum of the interior angles of a polygon: \(\text {Sum of interior angles ...

Lesson objective: To compare and classify geometric shapes based on their properties and sizes and find unknown angles in any quadrilaterals, and regular polygons In this lesson, students will recap ...

Students to work in small groups or with partners to play the game. The game focuses on a range of different quadrilateral shapes (shapes with 4 sides); Students to either roll the di or use a spinner ...

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...