I found a lesson plan called A Thousand Lockers. Despite the fact that it has explicit instructions for using a spreadsheet to explore the problem, it seems to be a type 2 lesson with lots of room to explore various ways to reach an answer and discover an algebraic relationship.
I found a couple interesting lesson plans for sixth grade. They make good use of a spreadsheet program to help students visualize divisibility patterns. The Divisibility lesson plan and the student worksheet are simple, but could be expanded for use with higher grade levels. The same teacher also created a lesson plan for finding Least […]