46 Estrategien errepasoa

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46 Estrategien errepasoa

Jarduera honetan, problema sorta bat proposatzen dizuegu. Ez daude estrategiaren arabera sailkatuak; beraz, zuen lehenengo lana problema bakoitza ebazten hasi aurretik, zer estrategia erabiliko duzuen erabakitzea da. Gerta daiteke problema berean estrategia bat baino gehiago erabili behar izatea. Ekin lanari!

A	Hona ogi-masa egiterakoan irina eta ura nahasteko erabiltzen den proportzioa: Irina: 100 g; Ura: 60 g Kalkulatu irin kilogramo bakoitzetik lortu diren ogien pisua. Zer estrategia aplikatuko zenuke kasu honetan? Datuak: Erantzunak:

B

Diana honetan lortu daitezkeen puntuazioak hauek dira: 50, 30, 25, 10 eta 5. Jokalari batek dagoeneko 3 dardo bota ditu. Bi aldiz 30 puntu lortu ditu eta bestean huts egin du. Bi jaurtiketa geratzen zaizkio. Zenbat era desberdin ditu, guztira 115 puntu lortzeko?

Zer estrategia aplikatuko zenuke kasu honetan?

Datuak:

Erantzunak:

C	Ikastetxean azoka solidarioa antolatu da, GKE (Gobernuz Kanpoko Erakundea) batentzat dirua jasotzeko asmoz. Saltzaileak izateko, 5. eta 6. mailako ikasleak aukeratu dira. Azoka 5 egunez egongo da irekita. Zenbat ikasle arituko dira saltzaile egun bakoitzean, inork ez badu txanda behin baino gehiagotan egiten eta denak aritzen badira? 5A: 22 ikasle - 5B: 23 ikasle - 6A: 21 ikasle - 6B: 24 ikasle Zer estrategia aplikatuko zenuke kasu honetan? Datuak: Erantzunak:

Ikastetxean, azoka solidarioa antolatu dute GKE batentzat dirua jasotzeko asmoz. Honako taula honetan ageri dira saltzeko bildu dituzten gauzak eta haien prezioak.

	Liburuak	Filmak	Jostailuak	Bideo-jokoak	Puzzleak
Kopurua	45	72	34	20	23
Alearen prezioa	4,5 €	4 €	12,5 €	15 €	6,5 €
Guztira:

Horren guztiaren hiru laurden saltzen badute, zenbat diru jasoko dute?

Zer estrategia aplikatuko zenuke kasu honetan?

Txertatu zure txantiloiaren url-a:

E	Sagar-tartaren errezeta Osagaiak (8 pertsonarentzat) - 3 sagar - 7 koilaratxo azukre - 7 koilaratxo irin - 4 arrautza - 250 g gurin - 15 g legamia - Pote bat marmelada	Zer estrategia aplikatuko zenuke kasu honetan? Datuak: Erantzunak:

F	Grafikoan, Iruñean hileko zenbat zabor tona jasotzen diren adierazten da. Kalkulatu: ■ Hilabete bakoitzari dagokion ehunekoa hiruhileko osoarekin konparatuz gero. ■ Hileko zabor tonen batezbestekoa. Demagun batezbesteko hori mantentzen dela, estima ezazu zenbat zabor tona jasoko diren urte osoan. Zer estrategia aplikatuko zenuke kasu honetan? Datuak: Erantzunak:

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46 Estrategien errepasoa

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46  Estrategien errepasoa

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