ALL THESE RAYS! What's the Point?

The article focuses on four ways for teachers to investigate on teaching geometry and algebra to students. It states modeling and recording like teacher-made table or adding additional rows will help students focus on identifying the relationship of the values in the table. It mentions checking the accuracy of the data if the class worked together as a group. It adds that asking question can determine the knowledge and other discoveries gained by students which will bridge the gap on thinking.