Pāngarau

tau whakahau

rational number

tūingoa

WHAKAMĀRAMA

Ko ngā tau katoa e taea ana te tuhi hei hautau. Ka whai wāhi atu ki tēnei huinga tau ko ngā tau tōpū, ko ngā tau ā-ira, ko ngā tau ā-ira tāruarua, ko ngā hautau noa.

All of the numbers which can be written as a fraction. This includes integers, decimals, recurring decimals and ordinary fractions.

Tauira KŌrero

He aha ngā momo tau ehara i te tau whakahau?

He tau whakahau tēnei, nō reira e taea ana te tuhi hei hautau.

Ko te tau whakahau tētahi whakarōpūtanga matua o ngā momo tau.

WhakamĀrama Āpitihanga

Koia nei ētahi o ngā momo tau ka taka ki roto i te huinga o ngā tau whakahau:

Arā ētahi tau kāore e taea te tuhi hei hautau. Ka haere tonu, ka haere tonu ōna mati hautau ā-ira. Ka kīia ērā he tau kewha. Hei tauira o te tau kewha:

Ko te pūtakerua o te 2. Arā, √2 = 1.4142136...

Ko te pae. Arā, π = 3.1415927...

Ko te huinga o ngā tau whakahau me ngā tau kewha, koia ko ngā tau tūturu. He rārangi tau tēnei e whakaatu ana i ētahi tau tūturu:

Ki tua o ngā tau tūturu, ko ngā tau pohewa. Koia ko ngā tau kāore e tika ana i te ao tūturu, engari e taea ana i roto i te hinengaro. He āwhina ngā tau pohewa i roto i ētahi tātaitanga pāngarau. Ko te √-1 tētahi tauira o te tau pohewa. Karekau he pūtakerua o te -1, kāore e taea ana te tohu ki tētahi rārangi tau.

He hoahoa huinga tēnei e whakaatu ana i ngā momo tau katoa o roto i te ao pāngarau:

Takenga Mai

tau - number

whaka - causitive prefix, to make

hau (hautau) - fraction

Tauira KŌrero

He aha ngā momo tau ehara i te tau whakahau?

He tau whakahau tēnei, nō reira e taea ana te tuhi hei hautau.

Ko te tau whakahau tētahi whakarōpūtanga matua o ngā momo tau.

WhakamĀrama Āpitihanga