UPDATED FOR 2018-19: This is the PowerPoint that I use to introduce our 'Multiples' assignment. I have successfully used this assignment with my high school students many, many times. Possible evaluation criteria included as well as many examples of former students work. I generally introduce the project on a Monday and have it due the following Friday. Total class time = 5 hours. Suggested minimum homework time = 3 hours. NOW available in a swanky handout PDF project handout too. Woo hoo!