Ko te wehewehe i tētahi tau ki ētahi wāhanga iti. Hei tauira, e taea ana te 37 te wāwāhi ki te 30 me te 7. Ka kīia tērā momo ko te wāwāhi uara tū. Ko te tikanga wāwāhi tau tētahi rautaki matua hei whakaoti paheko.
A number is divided up into smaller parts. For example, 37 can be decomposed or partitioned into 30 and 7. This is called place value partitioning. Decomposition (partitioning) of numbers is an important operational strategy.