Keyboard

possible related topics estimation, Pythagoras’ theorem, speed calculations

Learners could focus on the different distances between keys if one-finger typing is taking place. They could also explore the situation with two-handed touch-typing.

Learners might also like to investigate how fast people can text when using a mobile phone keypad.

The article at www.bbc.co.uk/news/technology-10925456 may be of interest.

www.mathematicalbeginnings.com