To What Extent Does the Teaching of Mental Calculation Strategies Support the Development of Formal Written Methods?
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TO WHAT EXTENT DOES THE TEACHING OF MENTAL CALCULATION STRATEGIES SUPPORT THE DEVELOPMENT OF FORMAL WRITTEN METHODS? INTRODUCTION To answer the question to what extent does the teaching of mental calculation strategies support the development of formal written methods we should first of all consider what is meant by 'mental calculation'. I would consider it to be a way of finding solutions to problems using a knowledge of number facts and strategies, without using written algorithms or methods. This could be done either by 'visualising' the problem or simply 'just knowing' it. BACKGROUND Prior to the introduction of the National Curriculum, there was very little emphasis placed on teaching mental calculation strategies. The 'mental' aspect of mathematics was usually done in the form of recitation of multiplication tables or sometimes as twenty questions at the start of the lesson. These methods could certainly help to embed a body of facts within a child's mind,...


