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Direct linkThompson, Ian – Mathematics Teaching Incorporating Micromath, 2008
In the final article of a series of four, the author deconstructs the primary national strategy's approach to written division. The approach to division is divided into five stages: (1) mental division using partition; (2) short division of TU / U; (3) "expanded" method for HTU / U; (4) short division of HTU / U; and (5) long division.…
Descriptors: Computation, Mathematics Instruction, Arithmetic, Mental Computation
Sugarman, Ian – Mathematics Teaching Incorporating Micromath, 2007
At the heart of the debate about the place of standard arithmetic algorithms is the practice of teaching subtraction through decomposition. One welcome feature of the national numeracy strategy in both its initial and current incarnations has been the introduction of a focus upon a variety of mental strategies supported by jottings. In this…
Descriptors: Teaching Methods, Subtraction, Educational Strategies, Mental Computation
