1) The document discusses using proportions to solve geometry problems, including writing proportions from diagrams, solving proportions, and using proportions to find scale factors. 2) Examples show how to write proportions from diagrams where lengths are equal, solve proportions algebraically, and use proportions to find actual distances and sizes when given a scale factor. 3) Guided practice and exit slips provide additional proportion and scale factor word problems for students to practice setting up and solving proportions.