Online resources for Years 8 - 12: Mathematics

• Ask Dr Math

  Questions and answers are arranged into a searchable archive organized by grade level (elementary, middle school, high school) and topic (exponents, infinity, polynomials, etc.). We recommend using the Dr. Math search box to find what you want.
• AskNumbers.com

  Measurement conversion charts and converters for metric, imperial and U.S. customary systems. Includes from everyday use to scientific calculators, thousands of units, definitions, abbreviations and formulas.
• eFunda - Mathematics home

  An online destination for the engineering community. Topics in the mathematics section include Arithmetic, Geometry, Calculus, Series, Elementary Functions, Special Functions, Statistics / Probability and more.
• Enriching Mathematics

  The NRICH Project aims to enrich the mathematical experiences of all learners. Use the search box - top right hand side of the screen.
• Opensource Textbooks - Math

  The Internet Archive is a non-profit that was founded to build an Internet library. Its purposes include offering permanent access to historical collections that exist in digital format.
• More opensource textbooks - Math

• Math in Daily Life

  Explore how math can help us in our daily lives. Look at the language of numbers through common situations such as playing games or cooking. Put your decision-making skills to the test by deciding whether buying or leasing a new car is right for you, and predict how much money you can save for your retirement by using an interest calculator.
• Money Smart

  Tips & tools to help you make the most of your money. It includes advice on Managing your Money, Borrowing and Credit, Superannuation and Retirement, Investing and Scams.

• Fibonacci Numbers and the Golden Section

  Information on Fibonacci Numbers, the Golden Section and the Golden String together with their many applications.
• Purplemath - Hep with algebra

  Links to sites with something immediately useful (and free, or free-to-try) for algebra students are listed. Check these reviews for sites containing lessons, tutoring forums, worksheets, articles on "how math is used in real life", and more.

• The Khan Academy

  A free world-class education for anyone, anywhere. Practice math at your own pace. Use the search box to look for the topic you want.
• TEDEd Mathematics lessons

  Use engaging videos on TED-Ed to create customized lessons. You can use, tweak, or completely redo any lesson featured on TED-Ed, or create lessons from scratch.

Illuminations - resources for teaching math