Well in my school CVHS,
Yr 7- top maths class use Mathscape textbook and the rest use MathsQuest.
Yr 8- top 2 class use Mathscape and the rest use MathsQuest
Yr 9- top 2 class use Mathscape Extension 5.3 and the other 2 class use Mathsquest 5.2 and other 3 class use Mathscape 5.1
Yr 10- same as...