DEECD Resources:

You can find the Victorian Essential Learning Standards and Progression Points for Maths here:http://vels.vcaa.vic.edu.au/assessment/ppoint/maths/index.html#level5
Common Misunderstandings - Level 4: Partitioning (Fractions, decimals and percentages): http://www.education.vic.gov.au/studentlearning/teachingresources/maths/common/commisslvl4.htm
Common Misunderstandings - Level 5: Proportional Reasoning (Ratio and Percentages):
http://www.education.vic.gov.au/studentlearning/teachingresources/maths/common/commisslvl5.htm

UK Resources: (KS1 = Prep to Year 2; KS2 = Year 3 to 5; KS3 = Year 6 to 8 and KS4 = Year 9 and 10)
Birmingham Grid for Learning - Whiteboards Primary for Foundation, Primary and Secondary - http://www.bgfl.org/bgfl/15.cfm?s=15&p=250,index
Interactive Whiteboard Resources - http://www.topmarks.co.uk/Interactive.aspx?cat=20
Excellent Searchable Resources from the UK Department of Children, School and Families - http://nationalstrategies.standards.dcsf.gov.uk/ http://nationalstrategies.standards.dcsf.gov.uk/strands/
http://nationalstrategies.standards.dcsf.gov.uk/node/110240
National centre for Excellence in Teaching mathematics (UK): http://www.ncetm.org.uk/resources
Primary Resources - Links to Powerpoints, pdf files, word documents and other resources from UK teachers: http://www.primaryresources.co.uk/maths/maths.htm
Crickweb for KS2 (primary) - maths interactives and resources for IWB's - http://www.crickweb.co.uk/ks2numeracy.html
IWB resources http://nationalstrategies.standards.dcsf.gov.uk/search/primary/results/nav%3A49911%20facets%3A27908

Other Resources:
Fun quiz game scorers (4 teams): http://www.curriculumbits.com/prodimages/details/misc/mis0015.html
Fun quiz game scoreres (2 team): http://www.curriculumbits.com/prodimages/details/misc/mis0014.html
Online Resources - editable worksheets - http://www.mathebook.net/index.htm
Sixth Grade Maths Skills from IXL - http://www.ixl.com/math/grade/sixth/
Math Playground (Assorted Games including estimating angles, balloon invaders and toy shopping) - http://www.mathplayground.com/games.html
Teaching and Learning About Decimals (from University of Melbourne) - http://extranet.edfac.unimelb.edu.au/DSME/decimals/slimversion/sources/welcome.html
National Library of Virtual Manipulatives - http://nlvm.usu.edu/
Gamequarium - http://www.gamequarium.org/dir/Gamequarium/Math/
Teaching Maths to Digital Natives - http://www.sqooltools.com/moodle/course/view.php?id=31
NAPLAN home page: http://www.naplan.edu.au/home_page.html (copies of past National Assesment of Performance in Literacy and Numeracy tests)
Free mathematics site for students, parents and teachers (sponsored by MacDonalds) https://www.mathsonline.com.au/
Test preparation from Houghton Mifflin Maths - http://www.eduplace.com/kids/hmm/quiz/g_6.html
Social networking for mathematicians at http://mathematics24x7.ning.com/
Resources for Interactive Whiteboards: http://www.teacherled.com/all-interactive-whiteboard-resources/
Black Douglas - Tip of the Iceberg Problems: http://www.blackdouglas.com.au/taskcentre/iceberg.htm
Rich activities for teaching mathematics: http://nrich.maths.org/public/index.php
Free downloads, links and printables from Special Education Ntework: http://www.senteacher.org/Home/
Extensive list of links to teachers resources for worksheets, rubrics and graphic organisers: http://www.edselect.com/worksheets.htm#graphic