- en.wikibooks.org/wiki/SA_NC_Doing_Investigations:Chapter_10
- www.thutong.doe.gov.za
- www.wolframalpha.com
- www.about.com
- www.khanacademy.org
- www.math.about.com
- www.forum.swarthmore.edu/math.topics.html
- www.howstuffworks.com
- www.wikipedia.org
- www.enchantedlearning.com
- www.lessonplanet.com
- www.puzzles.com
- www.eslcafe.com
- www.kimskorner4teachertalk.com
- www.learn.co.com
- www.proverto.co.za
- www.korthalsaltes.com
- www.cyrilq.net/links.html
- hsc.csu.edu.au/maths
- www.science.org.au/nova/maths.htm
- aleph0.clarku.edu/~djoyce/java/elements/elements.html
- www.utm.edu/research/primes
- www.mathgym.com
- mathforum.org/pow
- archives.math.utk.edu/newindex.html
- www.ies.co.jp/math/java
- puzzlemaker.school.discovery.com/
- www.eyelid.co.uk/numbers.htm
- www.univie.ac.at/future.media/moe/galerie.html
- www.tygh.co.uk/tan/tan.htm
- www.scienceu.com/geometry/handson/kali/kali.html
- mathforum.com/johnandbetty
- math.bu.edu/DYSYS/papers.html
- www.subtangent.com/maths/ig-diagdiff.php
- www.mathsisfun.com
- www.emaths.co.uk
- www.mathsguru.co.uk
- www.mathsroom.co.uk
- www.schoolforge.net/index.php
- www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/whatsnew.html#multimedia
- illuminations.nctm.org
- www.beenleigss.eq.edu.au/teacherpage/investigations.html
- mathworld.wolfram.com
- www.cut-the-knot.org
- www.ajdesigner.com/phptriangle/right_triangle_altitude_hc.php
- hotmath.com/math-tests.html
- cte.jhu.edu/techacademy/web/2000/heal/siteslist.htm
- www.pgcps.org/~sthills/homework_help.htm
- mathforum.org
- mathforum.org/teachers/mathproject.html
- mathforum.org/workshops/sum96/data.collections/datalibrary/lesson.ideas.html
- www.math.ca/Education/mpsf/
- emmy.nmsu.edu/breakingaway/main.html
- nlvm.usu.edu/en/nav/vlibrary.html
- www.scienceu.com/geometry/facts/solids/index.html
- www.mathgoodies.com/teachers.html
- www.nytimes.com/learning/teachers/lessons/math.html
- www.algebrahelp.com
- www.pballew.net/arithm13.html
- www.sparknotes.com/math
- www.mckeague.com/PiMATYC06.htm
- mysite.mweb.co.za/residents/profmd/homepage.html
- mysite.mweb.co.za/residents/profmd/homepage4.html
- www.nctm.org
- www.nctm.org/standards
- www.nctm.org/reflections
- honolulu.hawaii.edu/intranet/committees/FacDevCom/guidebk/teachtip/teachtip.htm
- www.octm.org
- www.keypress.com
- www.keypress.com/catalog/products/textbooks/Prod_DiscAlgebra.html
- coolmath4teachers.com
- courses.ncssm.edu/math/index.htm
- camel.math.ca
- www.intmath.com
- www.ams.org
- www.teachertube.com/video.php?category=mv
- www.teachertube.com/view_video.php?viewkey=93b89d8fbee5667d077f
- www.youtube.com/watch?v=rLprXHbn19I
- video.google.com/videoplay?docid=7106559846794044495
- www.powersof10.com
- scottkim.com