An introduction to the various types of numbers which are recognised as important.
How can we represent fractions in the simplest way? Equivalence of decimal and common fractions.
An approach to adding and subtracting fractions, using an understanding of the processes involved.
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.
A pen and pencil method of extracting square roots
A better way to extract square roots, with rapid convergence