Mr Cai Shaoyang has taught for 10 years as a Ministry of Education Education Officer (also known as teacher) for primary schools in English, Math and Science. He has also presented a research paper on the teaching and learning of decimals at the International Congress for Mathematical Education (ICME) conference, which is equivalent to the math version of the Olympics, in 2012 in Seoul. Click here to subscribe to his FREE newsletter for Maths tips