Most students know that the problems on any given SAT section are ordered, in general, so that they progress from easiest at the beginning to hardest toward the end. Here’s an example that illustrates one way you can use this knowledge to increase your score.
In a twenty-question practice math section, one of my students answered number seventeen incorrectly. The problem involved increasing a price by 10% only to then decrease the new price by 20%. The question was, “What percent of the original price was the final price?†Her answer was 90%. She arrived at her answer by quickly adding 10% to the original 100% to get 110% and then simply subtracting 20% from the 110% to get her final answer of 90%. Sounds easy and somewhat logical, right? (more…)