Properties of Quadrilaterals | Math Lesson & Self-grading Activities | 2nd-3rd GradeAre you looking for high-engagement Geometry lesson with self-marking activities that will teach your 3rd-grade class how to compare and classify quadrilaterals, based on their properties and sizes? These completely interactive digital geometry activities are ideal for whole-class and small group lessons teaching 2D shape identification and attributes of 4-sided shapes. By the end of this unit, children will be a