tāpiritanga
1. (noun) appendix, addition, attachment.
Ka pahure ngā rau tau ka puāwai he waka kē i te tāpiritanga o te ama (te Ara 2013). / Over centuries, different vessels evolved with the addition of the outrigger.
He maha ngā rautaki hei whakaoti tāpiritanga (TRP 2010:261). / There are many strategies to complete addition.
tāpiritanga tāruarua
1. (noun) repeated addition.
Ko te whakareatanga te whiriwhiri i te tapeke o ētahi rōpū ōrite, arā, he whakapoto i te tāpiritanga tāruarua o aua rōpū. Hei tauira, ko te tapeke o ngā rōpū e 3 o te 4: 4 + 4 + 4 = 4 x 3 = 12. Ko te whakareatanga tētahi o ngā pakeho tau matua (TRP 2010:325). / Multiplication is finding the total of a number of equal groups, as in a shortened form of repeated addition. For example, the total of 3 groups of 4: 4 + 4 + 4 = 4 x 3 = 12. Multiplication is one of the main number operations (TRP 2010:325).