Stephen D T Froggatt (@stephenfroggatt) 's Twitter Profile
Stephen D T Froggatt

@stephenfroggatt

Maths, Methodism, Music, Magic, Tea

ID: 221485679

calendar_today30-11-2010 20:06:34

301 Tweet

176 Followers

217 Following

Stephen D T Froggatt (@stephenfroggatt) 's Twitter Profile Photo
Stephen D T Froggatt
@stephenfroggatt

2 years ago

Trying to research the introduction of closed/open dots in the representation of inequalities on a number line. We have Dedekind's introduction of the modern Number Line in 1872 and a vague mention of the dot notation in the new GCSE spec of 2015. Can you help narrow the gap?