A directory of useful objects found on the web for teaching Maths.

*Expand binomial products and factorise monic quadratic expressions using a variety of strategies (ACMNA233)
* identifying and using common factors, including binomial terms, to factorise algebraic expressions using the technique of grouping in pairs to factorise algebraic expressions with four terms
* using expansion patterns for the special binomial products (a + b)(a b) and (a ± b)2 inversely to factorise quadratic
* using the area model inversely to factorise quadratic expressions of the form ax2 + bx + c, where a= ±1
* exploring the method of completing the square to factorise quadratic expressions and solve quadratic equations*