See our handout on conclusions. Typically, just three or four sentences are enough to set the stage for both long and short essays. Let's see how some writers approached their essays and analyze why they work so well.
Pay special attention to your first sentence.
If you have ever used Google Maps or similar programs, that experience can provide a helpful way of thinking about how broad your opening should be. After reading your introduction, your readers should not have any major surprises in store when they read the main body of your paper.
Start where it's easiest to start. Your beginning should introduce the essay, focus it, and orient readers.
My research has revealed three distinct types of abnormal customer: the amnesiac, the super shopper, and the dawdler. The sentences are in the wrong order for an introduction paragraph. Motivating high school students may seem like a daunting task; however, it is easier than we think by encouraging them, helping them acquire their own aspirations, and making school interesting.
Orienting readers, locating them in your discussion, means providing information and explanations wherever necessary for your readers' understanding.
Perhaps a quotation from a source reading might prove better?