35 results found for teaching-modules

The concept of oxidation and reduction is explained and generalised using oxidation numbers with ionic and covalent examples. Several equations are balanced, using the oxidation number method to fix various atomic ratios.

Suggestions about how to interpret a variety of written texts

A description and demonstration of the way in which craters formed by dropping objects into sand can be linked to some elementary physics

How can we make sensible estimates of very large numbers? It is often very important to know the size of an unknown number, at least to within a factor of ten.

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.