Another lesson for adding integers. In this lesson, students derive the rules for adding and subtracting, and involves some deeper level thinking questions in the handout. Tiles are recommended for the lesson.
Lesson Guideline: http://auhsdmath.pbworks.com/w/file/fetch/60111518/4_0%20Derive%20Rules%20Add%5Bk%5D%283%29.pdf
Handout: http://auhsdmath.pbworks.com/w/file/fetch/60111519/4_1%20DerivingRulesAdd%283%29.pdf