Defining Quantities, Clip 1, 1:37

• This is an example of one way the definition of quantity can be introduced into the classroom.
• The teacher gives them the first worksheet, then points out that they need to understand what a quantity is. This engages the students in creating the definition of quantity that will be used in the classroom during the semester.
• Note that the teacher also discusses the attributes of a quantity and that some change and some do not.