# Quadrilaterals A

**Lesson Aims**The pupils will identify quadrilaterals according to the number of sides.

**Name of Model**Space ship.

**The lesson structure**Triangles activity A, Triangles activity B , Polygon activity A, Polygon activity A, Polygon activities B 1/2 , Polygon activities B 2/2 , Polygon activity C , A measuring tool for comparison of lengths , Quadrilaterals A , Quadrilaterals B: Square & Rectangle – same and different, Quadrilaterals C: Square & Rectangle Line of reflective symmetry 1/2, Line of reflective symmetry 2/2, , Lines of symmetry in quadrilaterals, Translation of shapes

**Lesson content**Investigation of different quadrilaterals found during the folding process. At the end of the lesson, there is a surprise for the pupils. They learn new geometric concepts and revising previously learnt concepts.

**Prior knowledge**The concepts of sides and right-angles in polygons.

**Stages in the curriculum**

**Materials**Origami paper 15 cm X 15 cm, 2 sheets per pupil.