Mental Mathematics for the Numeracy Hour

Theories of learning within which mental mathematics can be developed coordinating mental mathematics within the numeracy framework - variety, differentiation and mental strategies to aid understanding and links with written work progression in mental/written and invented/taught methods - language for communicating and developing mental calculation strategies mathematical images, formal and idiosyncratic, that children develop through primary years work in addition and subtraction representation of mathematical ideas in multiplication and division - developing numerical competence competence in memorising, recall and figuring out the unknown from the known language and communication within mathematics.