There are mathematics courses in Oxford and Cambridge, and advanced mathematics will increase competitiveness.
There is little difference in admission requirements, and high numbers are very important.
University of Cambridge
Cambridge mathematics majors need students to reach A*A*A at A-level, and applicants need to study mathematics and advanced mathematics.
IB requires 40-42 points, HL 776, and the college requires mathematics.
University of Oxford
The A-level grade requirement of mathematics major in Oxford University is A* A * A. If you have studied mathematics and advanced mathematics, the requirement is A *.
IB: 39 points, HL 766, requiring HL mathematics to reach 7.
In addition, of course, it is a ladder exam that every applicant must take.