Welcome to my 116th gems post. This is where I share some of the latest news, ideas and resources for maths teachers. 1. New ResourcesI featured TES author cparkinson3 in Gems 110 back in May. He has now joined Twitter (@CP3fxy) and has been busy sharing lots of lovely free resources. For example check out his collection of ten lessons on expanding and factorising and his collection of four lessons on algebraic fractions. 2. Dice Ed Southall (@solvemymaths) noticed that if you just…