Maths Olympiad (Intermediate) by Terry Chew

Since the launch of this intermediate book of Maths Olympiad series in 2008, it has consistently captured the attention of approximately 10% of the primary school cohort in Singapore. This revised edition covers new topics and more questions for high ability students. In Singapore this book is recommended for students ages 10 to 12. It is also popular in the Australian market for children ages 11+.