- IXL – online subscription for all of Grade 5; great differentiation of skills
- Math Question of the Day
- Problem of the Week – fantastic problem solving; new one each week; archives available; look on right side for more sites
- Math Frog – practice for Grade 4, 5 and 6 with follow up worksheets – kid section and teacher/parent section
- Maths 300 – fantastic problem solving investigations (username:120181 password: wabwab)
- Many video lessons that are geared to both teachers and students – simply explained with some great ideas.
- Online Math Glossary with multilingual support
- Ancient Civilization sites:
- Egyptian Maths puzzles: http://www.eyelid.co.uk/numbers.htm
- Historical Maths problems: http://www.puzzles.com/PuzzlePlayground/WelcomeToPuzzlePlayground.htm
- What the Ancients did for us: http://www.open2.net/whattheancients/mathsproblems.html
- Some Ancient Civilisation number systems: http://www.easycalculation.com/funny/numerals/babylonian.php