Board of Directors, NCTM Imagine handing students state-by-state data on the number of gallons of soft drinks sold per person in one year. Imagine using it to lead a vibrant problem-solving session in which students energetically pose and answer mathematical questions:
Why does it say sold instead of consumed?
What IS a soft drink? Is it the same as soda?
Who would collect this kind of data? Why would they collect it?

This is a drawing lessons for students who need to learn to draw and teachers who require practical lesson notes.
We aim for improved visual literacy and begin with the basics all the lessons by John Hagan is currently being used by over 350 US and 110 international schools, colleges and universities by teachers, for their classroom lesson plans, and students for their practical education.