Tomorrow the majority of you will take the practice PSAT.  Use this PSAT Practice Material for basic preparation in class today.  If you know you have a weak spot, Google "PSAT practice" for more comprehensive practice material that is broken up into full tests with explanations of both answers and scoring breakdowns.  Although it will change for next year, you should also look up PSAT National Merit score cutoffs to see how close you are to qualifying for current recognition.