The first reason that teacher content knowledge is important is that it changes the way teachers involve students in the activities. Like for instance, in math, students that have teachers that show different ways of working out a problem will usually learn more from them than teachers that just go by the basic rules.â€More knowledgeable teachers tend to focus on approaching the students question mathematically rather than looking up the answers and giving it to the students.†Similarly, like science teachers with more content knowledge tend to suggest different explanation and give additional information that can be used. The second reason why teacher content knowledge is important is that it influences the way teachers approach and use instructional materials. “More knowledgeable teachers were more skillful at identifying reasonable math or science story lines in materials, while less knowledgeable teachers have a hard time doing so.†“In mathematics, content knowledge also had an effect of teachers instructional decisions when using materials.
