13 results found for mathematics

The power of mathematical notation and reasoning is exploited to relate a famous recreational mathematics problem (hat problem) with an important method for sending and receiving messages that have a small percentage of errors (Hamming codes). The pr....

How simple algebra can be used to investigate cubes and other polyhedra up to icosahedra.

Harry gives an introduction to the difficulty of writing large numbers in Roman Numerals

How simple algebra can be used to investigate cubes and other polyhedra up to icosahedra.

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.

Mutiplying and dividing fractions: a systematic approach to this perennial problem.

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.