Find the Part, Whole, and Percent using the proportion method! This is a percent reference/notes sheet that will help students to learn how to do percents using the proportion method. The proportion method is described fully along with examples. Cross multiplication is covered as well. Included: 2 practice worksheets. One with 20 questions & answer key. The other is a word problem worksheet with 12 questions & answer key & a solutions page to show steps used to solve it.