Discover why challenging PSLE maths problems are integral to Singapore's education system and the sorting principle of the exam. Read more at straitstimes.com. Read more at straitstimes.com.

In recent years, tough PSLE mathematics questions have borne the brunt of parents' anger and dismay. Clara Lee attempts to solve one particularly challenging question from 2019 that stumped many.

SINGAPORE - 15 per cent of Primary School Leaving Examination (PSLE) questions are classified as "challenging" each year, and the national exam is kept at a consistent standard of difficulty across ...