By Cllr Lucy Nethsingha, Combined Authority board member and chair of skills and employment committee. “I’m rubbish at maths.” “I don’t have a head for numbers.” When it comes to numeracy in the UK, these all-too-common phrases point to an unfortunate truth. As a country our maths skills, and that includes Cambridgeshire and Peterborough, are not good enough. To give an idea of the scale of the challenge, charity National Numeracy’s research found that half of the working age adults in this country have the maths skills of a primary school child, and said that levels of numeracy – poor by deve…