This is a fully interactive program allowing many useful ways of investigating conic sections both visually and algebraically. It comes with a full set of explanatory notes for both teacher and pupil.
A better way to extract square roots, with rapid convergence
A pen and pencil method of extracting square roots
An introduction to the various types of numbers which are recognised as important.
An approach to adding and subtracting fractions, using an understanding of the processes involved.
How can we represent fractions in the simplest way? Equivalence of decimal and common fractions.
Making life easy when using percentages. A sometimes fraught topic looked at differently.
Be wary of high interest rates! An introduction to how loans grow.