He ara te rautaki wāwāhi tau e oti ai tētahi paheko tau, pēnei i te tāpiritanga, te tangohanga, te whakareatanga, te whakawehenga rānei. Ka wāwāhia ngā tau e pāhekoheko ana kia māmā ake te whakaoti (TRP 2010:237). / The part-whole strategy is an approach to solving number operations such as addition, subtraction, multiplication and division. The numbers being combined are partitioned in order to make the operation easier to solve (TRP 2010:237).

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