# Clip 4/14: Introduction - Part B

## Overview

As the learners guess input numbers, the educator generates the output number. After each guess Fran has one of the learners “graph the point.”

## Teacher Commentary

It was interesting to hear all of the different opinions of how to state the rule. I think this illustrates where we were as a group as far as our familiarity with algebraic expression goes. Great conversation between Eric and Sam about 3 groups of x versus x groups of 3.