AC: Mathematics

http://www.australiancurriculum.edu.au/Mathematics/Rationale

QSA

http://www.qsa.qld.edu.au/13656.html

Mathematicians in Schools

http://www.mathematiciansinschools.edu.au/resources/index.htm

National Digital Resources

http://www.ndlrn.edu.au/using_the_resources/australian_curriculum_resources/mathematics.html

MTSOnline

http://www.schoolcentre.com.au/
For a small yearly fee:
MTS database available in an online format to support teachers looking for mathematics resources with a developmental focus (i.e. teachers can source learning experiences on any topic at any level to meet any needs). This inexpensive and highly flexible way of accessing support materials is now available as MTSonline.

Middle Years: Supporting Australian Curriculum Mathematics

http://www.amsi.org.au/ESA_middle_years/Middle_Years.html

Teaching Money Smart

http://teaching.moneysmart.gov.au/

Khan Academy

https://www.khanacademy.org/