A record number of leaving cert students will sit the higher level maths paper.
Day three of the exams with see students sit the geography paper first.
Pupils will then sit Maths Paper 1 this afternoon with the second maths exam on Monday.
Over one third students have indicated they will sit the higher level.
The Minister for Research and Innovation, Sean Sherlock, says the rise in the number of students taking the honours exam is good news.
