# Perpendicular and parallel straight lines 2 2/2

**Lesson Aims**During the folding process the pupils will identify parallel and perpendicular lines.

**Name of Model**A dress.

**The Lesson Structure**According to the curriculum.

**Lesson content**This is the second lesson on parallel and perpendicular lines following the prepatory lesson on parallel and perpendicular lines-1 1/2. In this lesson will identify aparallel and perpendicular lines in other situations. The final model will be a surprise for the pupils and at the same time learning new concepts and revising previously learnt concepts.

**Prior Knowledge**The concepts of angle,straight angle and square.

**Materials**Origami sheets 15/15 cm, the measuring tool and two colored markers.