Ngā Tau Nui
I tēnei kōwae ako ka tūhurangia te tuhinga, te whakahuatanga me te rahinga o ngā tau nui, ā, ka whakaoti rapanga e whai wāhi mai ana he tau nui.
Te Tau me te Taurangi (Te Mātauranga Tau)
Whāinga Paetae 1:
Ka mōhio ki:
- ngā meka whakawehe matua;
- te whakaawhiwhi tauoti, tau ā-ira hoki.
- te tau tōraro me te tau tōrunga;
- te tau toitū;
- te ōwehenga;
- te uara tū o ngā tau ā-ira;
- te maha o ngā haumano, ngā haurau, ngā hautekau, ngā tahi, ngā rau me ngā mano kei roto i tētahi tau ā-ira (tae atu kia 3 ngā mati ā-ira).
Kia mōhio te ākonga ki:
- te rahi o ngā tau nui
- te tuhi me te whakahua i ngā tau nui
- te whakaawhiwhi tau nui
- Ko te 10 te pūtake o tā tātou pūnaha tau. Arā, koia te hononga o tētahi uara tū ki tētahi:
- Mēnā ka whakaawhiwhia tētahi tau nui, he māmā ake, he mārama ake, te whakamahi kupu i te whakamahi tohutau. Hei tauira, mō te tau 31,427,864,935 e whakaaturia ana ki te tūtohi uara tū i runga nei:
- ko te 30 piriona te whakaawhiwhinga ki te 10 piriona e pātata ana
- ko te 31 piriona te whakaawhiwhinga ki te 1 piriona e pātata ana
- ko te 31.4 piriona (te 31,400 miriona rānei) te whakaawhiwhinga ki te 100 miriona e pātata ana
- ko te 31.42 piriona (te 31,420 miriona rānei) te whakaawhiwhinga ki te 10 miriona e pātata ana
- ko te 31.427 piriona (te 31,427 miriona rānei) te whakaawhiwhinga ki te 1 miriona e pātata ana
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taupori
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population
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toharite
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average, mean
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uka
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coin
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weheruatanga o te ao
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equator
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whakaawhiwhi
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round (a number)
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Hei Tīmatanga:
- Ko te 4.3 miriona te taupori o Aotearoa. Ko te tikanga o tēnei whakaawhiwhinga e mea ana kei waenganui i te 4.25 me te 4.35 miriona.
- Kei te takiwā o te 250 miriona motukā kei te whenua o Amerika (USA). E mōhiotia ana kei waenganui i te 245 me te 255 miriona motukā.
- Mēnā ka kīia e 251 miriona motukā, tērā e mōhiotia kei waenganui i te 250.5 miriona me te 251.5 miriona.
- Ina whakaawhiwhia ki te miriona e pātata ana, ko te 4 miriona (4,000,000).
- Ina whakaawhiwhia ki te haurua miriona e pātata ana, ko te 4.5 miriona (4,500,000).
- Ina whakaawhiwhia ki te kotahi rau mano e pātata ana, ko te 4 miriona 3 rau mano (4,300,000)
- E ai ki te Tari Tatau, kei te takiwā o te 23,000 te taupori o Taupō.
- Ka whakaawhiwhia ki te 25,000 hei whiriwhiri i te whakareatanga ake o tēnā kia rite ki te taupori o Aotearoa. Arā, e hia ngā 25,000 kei roto i te 4.5 miriona?
- 25,000 x 4 = 100,000, nō reira 25,000 x 20 = 500,000 (0.5 miriona)
- E 9 ngā 0.5 miriona kei roto i te 4.5 miriona.
- Nō reira whakareatia te 20 ki te 9, ka 180.
- Arā, whakareatia te taupori o Taupō ki te 180, ka rite ki te taupori o Aotearoa:
- Ākene pea kei te takiwā o te 0.5mita te whānui toharite o ia tangata (he whāiti ake ētahi, he whānui ake ētahi, engari koia pea hei toharite).
- Ka whakareatia te 0.5 mita ki te 4.5 miriona tāngata, ka 2.25 miriona mita tērā. Ka tuhia hei tohutau: 2,250,000mita
- Ka hurihia hei manomita (km): 2,250 km. (1,000m = 1 km)
- E pātata ana tērā ki te tawhiti mai i Te Rerenga Wairua ki Rakiura.
- 6,785,000,000
- Ina whakaawhiwhia ki te piriona e pātata ana, ko te 7 piriona (7,000,000,000)
- Ina whakaawhiwhia ki te haurua piriona e pātata ana, ko te 7 piriona (7,000,000,000)
- Ina whakaawhiwhia ki te hauwhā piriona e pātata ana, ko te 7.75 piriona (7,750,000,000)
- Ina whakaawhiwhia ki te tekau mano e pātata ana, ko te 40,000
- Ina whakaawhiwhia ki te kotahi mano e pātata ana, ko te 40,000
- Ina whakaawhiwhia ki te kotahi rau e pātata ana, ko te 40,100
- Ina whakaawhiwhia ki te tekau e pātata ana, ko te 40,080
- Ina whakaawhiwhia ki te kotahi e pātata ana, ko te 40,075
- Ina whakaawhiwhia ki te hautekau e pātata ana, ko te 40,075.2
- Ākene pea kei te takiwā o te 0.5mita te whānui toharite o ia tangata (he whāiti ake ētahi, he whānui ake ētahi, engari koia pea hei toharite).
- Ka whakareatia te 0.5 mita ki te 7 piriona tāngata, ka 3.5 piriona mita tērā. Ka tuhia hei tohutau: 3,500,000,000mita
- Ka hurihia hei manomita (km): 3,500,000 km. (1,000m = 1 km), arā 3.5 miriona km.
- Ka tātaihia te maha o ngā 40,000km (te tawhiti huri amio i te weheruatanga o te ao) kei roto i te 3.5 miriona:
- Ākene pea ka whakaputua kia 10 ngā uka tāra, ā, ka inea te teitei. E pātata ana ki te 2cm.
- Ka whakaaturia te teitei o ngā whakaputunga ki tētahi tūtohi:
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te maha o ngā uka tāra e noho putu ana
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te teitei o te whakaputunga
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10
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2cm
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100
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20cm
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1000
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200cm = 2m
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10,000
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20m
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100,000
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200m
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1,000,000
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2,000m = 2km
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- Ākene pea ka whakatakotoria kia 10 ngā tāra uka, ā, ka inea te roa. E pātata ana ki te 23cm
- Ka inea te roa o te akomanga. Ākene pea ko te 15 mita.
- Ka tātaihia te maha o ngā 23cm kei roto i te 15 mita:
15 ÷ 0.23 = 65 (mā te tātaitai) - Nō reira, kei te takiwā o te 650 ngā tāra uka ka rite ki te roa o te akomanga.
- Ka inea te roa o te papa tākaro. Ākene pea ko te 100 mita.
- Ka tātaihia te maha o ngā 23cm kei roto i te 100 mita:
100 ÷ 0.23 = 435 (mā te tātaitai) - Nō reira, kei te takiwā o te 4350 ngā tāra uka ka rite ki te roa o te papa tākaro.
- Ka kimihia te tawhiti mai i Te Rerenga Wairua ki Rakiura. Kei te takiwā o te 2,100km
- Ka tātaihia te maha o ngā 23cm kei roto i te 2,100 km:
2,100,000 mita ÷ 0.23 = 9,130,434.8 (mā te tātaitai) - Nō reira, kei te takiwā o te 91,304,348 ngā tāra uka ka rite ki te roa o te papa tākaro. Ka whakaawhiwhia ki te 91 miriona
- Ka tuhia ki te tūtohi:
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te maha o ngā tāra uka e takoto mai ana
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te teitei o te whakaputunga
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1
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2.3cm
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100
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230cm = 2.3m
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1000
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23m
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10,000
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230m
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100,000
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2300m = 2.3km
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1,000,000
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23km
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10,000,000
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230km
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100,000,000
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2,300km
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1,000,000,000
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23,000km
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- Kei te takiwā o te 384,403 te tawhiti o te Marama i a Papatūānuku. He roa ake tērā i te roa o te piriona tāra uka e takoto mai ana taha ki te taha. Anei te kauwhata pou hei whakatairite:
- Pēhea nei te roa o te kotahi mano hākona? O te kotahi miriona hākona? O te kotahi piriona hākona? Whakaotia te tūtohi:
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hākona
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1,000
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1,000,000
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1,000,000,000
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meneti
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1,000 ÷ 60 = 16.67
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1,000,000 ÷ 60 = 16,667
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1,000,000,000 ÷ 60 = 16,666,667
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haora
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16,667 ÷ 60 = 278
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16,666,667 ÷ 60 = 277,777
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rā
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278 ÷ 24 = 11.6
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277,777 ÷ 24 = 11,574
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wiki
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11.6 ÷ 7 = 1.65
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11,574 ÷ 7 = 1653
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tau
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1653 ÷ 31.8
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- E hia hākona e ora ana koe?
- Ka whiriwhiria ngā tau me ngā rangi e ora ana i te tuatahi. Hei tauira, ko te 9 tau me te 234 rangi.
- Ka whiriwhiria te maha o ngā hākona i te rangi kotahi:
1 rangi = 24 haora = 24 x 60 meneti = 24 x 60 x 60 hākona = 86,400 - Whakareatia tēnei ki te 234 hei tātai i ngā hākona i te 234 rangi:
86,400 x 234 = 20,217,600. Ka whakaawhiwhia ki te 20.2 miriona - Whakareatia ngā hākona i te rangi kotahi ki te 365 hei tātai i ngā hākona i te tau: 86,400 x 365 = 31,536,000. Ka whakaawhiwhia ki te 31.5 miriona
- Whakareatia ngā hākona i te tau kotahi ki te 9 hei tātai i ngā hākona i te 9 tau: 31.5 miriona x 9 = 283.5 miriona
- Tāpirihia ngā hākona i te 234 rangi me ngā hākona i te 9 tau: 283.5 miriona + 20.2 miriona = 303.7 miriona
| Attachment | Size |
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| WharangiMahi1NgaTauNui.pdf | 96.3 KB |
| WharangiMahi2NgaTauNui.pdf | 131 KB |
| WharangiMahi3NgaTauNui.pdf | 110.66 KB |
| WharangiMahi4NgaTauNui.pdf | 73.68 KB |
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E rima ngā ngohe o tēnei kōwae ako hei whakapakari i te mātauranga tau o te ākonga.



