Spring SeedsThe author has been an IB DP Math examiner and has taught IB DP higher level mathematics for more than 20 years. The scores of the author's students in the IB higher level mathematics final examinations have been 20 % - 30% higher than the world averge. For example, the world average score is 5, and the average score of the author's students is 6 - 6.5 out of 7. The author has three Master degrees (in Mathematics, English Philology, and Education) and one undergraduate study (in Electrical Engineering) from universities in Finland. The author has been honoured by students and schools as a super excellent math teacher. Read More Read Less