Advertisement Dozens of maths professors and teachers have warned a draft plan to fix the “unambitious” national maths curriculum will make it worse, devaluing basics such as times tables and introducing vague, untested fads. In an open letter to the national curriculum authority, the mathematicians point out ambiguity, shallowness - there is no mention of key algebraic terms - and errors in the draft, such as asking students to investigate Fibonacci patterns in shells, which “simply do not exist”. Sam Rogers, age 9, from St Charles Catholic Primary School in Waverley, is tutored in maths by Fay Ligonis from Super Kids Tutoring.