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This site makes it possible to see (most) knowledge in real terms statistically and graphically. Basically it means that you can now compute anything! Applications for the maths lit classroom means that you have access to instant statistical data (some only for the US though). You can even put your birthdate in and see how old you are in weeks, years...eashh

This lesson involves students in collecting data, organizing data into a line plot, discussing statistics, calculating mean, median and mode and consumer awareness.

This site has got interactive applets that makes it great to use with IWB's. Covers most of the basic concepts. The big ideas of algebraic thinking involve representation, proportional reasoning, balance, meaning of variable, patterns and functions, inductive reasoning, and deductive reasoning. Greenes and Findell (1998):

This unit gives a historical background to mathematics education in South Africa, to outcomes-based education and to the national curriculum statement for mathematics. The traditional approach to teaching mathematics is then contrasted with an approach to teaching mathematics that focuses on 'doing' mathematics, and mathematics as a science of pattern and order, in which learners actively explore mathematical ideas in a conducive classroom environment.

Online math tool to calculate the Standard deviation