anga tekau
1. (noun) tens frame (maths).
Arā anō tētahi rauemi matua mō te whakaako i te wāwāhi tau hei whakaoti tāpiritanga, tangihanga hoki. Ko te anga tekau tērā (TRP 2010:318). / There is another important resource for teaching decomposition to solve addition and subtraction. That is the tens frame.