Year after year high school MATH students are making the same main mistakes. Watch carefully so you don't make these mistakes any more. 0:00 - Intro 0:14 - Mistake 10 1:34 - Mistake 9 2:57 - Mistake 8 5:10 - Mistake 7 6:36 - Mistake 6 8:42 - Mistake 5 11:13 - Mistake 4 12:46 - Mistake 3 15:12 - Mistake 2 16:10 - Mistake 1 18:14 - Quiz