This lesson uses Desmos Classroom.  You will need computers/laptops/tablets for your class.

There are two activities and it is possible to complete both within the lesson.  You will need to create a class code for each activity.

Activity 1 – Polygraph lines 1

Objective	Identify important features of lines and precisely describe these features to their peers
Resources	Polygraph lines 1

Activity 2 – Polygraph lines 2

It is recommended that you work through the teacher guide before teaching this lesson.

Objective	Identify important features of lines and precisely describe these features to their peers
Resources	Teacher Guide Polygraph lines 2