Published at Monday, 14 September 2020. математика класс. By Norris Doyon.
No chto, chert voz mi, proizoydet, yesli vy ne poymete, kak reshat matematicheskuyu zadachu v kibershkole? Yesli vy s pervogo raza ne poymete, chemu vas pytayetsya nauchit urok matematiki, eto mozhet stat ochen trudnym dlya ponimaniya. Vy mozhete prochitat urok 100 raz podryad i vse ravno ne ponyat, chto oni pytayutsya zastavit vas sdelat. I chto teper? Chto zh, vy vsegda mozhete poprobovat nayti drugoy veb-sayt s pomoshchyu Google, kotoryy ob"yasnyayet urok po-drugomu. Eto mozhet sil no sbit s tolku, yesli vy nedostatochno znayete ob uroke, chtoby nayti to, chto nuzhno, potomu chto vo mnogikh mestakh ispol zuyetsya drugoy slovarnyy zapas. Vy takzhe mozhete iskat video na YouTube, no togda vy stalkivayetes s toy zhe problemoy.
Veselyye kartochnyye igry, v kotorykh vy lovite karty. Eto osnovano na starom favorite, kogda igroki berut 4-5 kart iz razroznennoy stopki i sprashivayut drugikh, yest li u nikh opredelennyye karty. Tsel - kare, razmeshchennaya na stole. Stavit problemy tolko na kartu. Vopros v tom, «Yest li u vas problemy s otvetom ____?» Ubedites, chto yest tolko chetyre zadachi s odnim i tem zhe otvetom. Ispolzuyte populyarnuyu kartochnuyu igru s chislami, tsvetami, dzhokerami, propuskami i vytyagivayte 2/4 karty. Igrayte po standartnym pravilam. Dikiye izmenyat operatsiyu. Nachnite s dobavleniya, kazhdyy raz, kogda vy kladete kartu, vy dobavlyayete yeye k uzhe imeyushcheysya. Starshiye ucheniki vedut promezhutochnyy itog. Kogda razygryvayetsya wild, operatsiya menyayetsya. Uchitel dolzhen reshit, khotyat li oni vozit sya s razdeleniyem! Kak vidite, vozmozhnosti bezgranichny, eto vsego lish nekotoryye idei, kotoryye pomogut vam pridumat sposob razvlechsya s kartochnymi matematicheskimi igrami v svoyem klasse. Kartochnyye igry mogut byt bystrymi i otlichnym uprazhneniyem dlya podkrepleniya, poskolku uchashchiyesya ne proch snova uvidet odni i te zhe fakty, kogda poyavlyayetsya nebolshaya konkurentsiya.
Vsegda chitayte formuly kak zakonchennyye mysli ili predlozheniya. Formuly vsegda dolzhny imet znak ravenstva. Takim obrazom, formula dlya rasstoyaniya NE rt. Formula dlya rasstoyaniya d = rt. Vsegda proveryayte pravil nost formul. Naprimer: raznitsa dvukh polnykh kvadratov mozhet vyglyadet kak 25-4. Ochevidno, znacheniye etogo chisla ravno 21, no yesli my poluchim eto zhe znacheniye s pomoshchyu formuly, my proverim formulu. Po formule 25-4 mozhno bylo by zapisat kak 5 ^ 2-2 ^ 2 i razlozhit na mnozhiteli kak (5 + 2) (5-2) = 7 (3) = 21. Takim obrazom, formula proverena. Znayte, kak oboznachat otvety po formule i chto oni oznachayut. Bud te konkretny pri chtenii formul. Poskol ku vse formuly ploshchadi nachinayutsya s A =, boleye polezno dobavit dopolnitelnuyu informatsiyu. V A = (pi) r ^ 2 luchshe vsego chitat eto tak: «Ploshchad kruga ravna pi, umnozhennomu na kvadrat radiusa kruga». Obyazatelno pomnite, chto ploshchad vsegda izmeryayetsya v kvadratnykh yedinitsakh.
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