Published at Saturday, January 16th 2021. by Bernarda Besson in математика класс.
Ispol zuyte standartnuyu kolodu kart (Tuz-Korol). Sygrayte v lyubuyu traditsionnuyu kartochnuyu igru, no zastavte uchenika chto-nibud delat s chislami. Yesli eto igra so sbrosom, oni dobavlyayut ili umnozhayut sbroshennuyu kartu na uzhe imeyushchuyusya. Yesli eto tot, gde vy stavite tri odinakovykh ili tri v posledovatel nosti vniz, vam nuzhno chto-to sdelat s nimi, slozhit vse, slozhit pervyye dva, vychest sleduyushcheye. Nazovite vse faktory, ispolzuya chisla i tak daleye. Ispolzuyte standartnuyu kolodu (tolko A-9) dlya opredeleniya stoimosti. U nikh yest svoi kolody kart, pozvonite po nomeru, posmotrite, skolko vremeni im potrebuyetsya, chtoby nayti chisla i poluchit ikh v pravilnom poryadke. Karty lits mogut byt zapyatymi.
Chem ty planiruyesh zanyat sya? Zavtra test, a ty dazhe ne znayesh nazvaniya togo, chto delayesh! Chto zh, v gosudarstvennoy shkole vy mogli by poyti k uchitelyu matematiki gde-to posle ili do uroka, i oni mogli by ob"yasnit vam eto lichno, prosmotrev vashu rabotu, ukazav, chto vy sdelali ne tak, otvetiv na voprosy, kotoryye u vas byli ili prokhozhu s vami primer. Zatem vy, nakonets, ponimayete urok, poluchayete pyaterku v svoyey viktorine, i vsya shkola ustraivayet vam grandioznuyu vecherinku, kotoraya postepenno zatukhayet pod khoroshuyu pesnyu i final nyye titry.
Odnoy iz nepriyatnykh problem dlya mnogikh studentov-matematikov yavlyayetsya tot fakt, chto vse klassy matematiki v starshikh klassakh zavisyat ot formuly. Nekotorym uchenikam slozhno zapominat formuly. Drugiye uchashchiyesya mogut bez truda zapominat formuly, no ne ponimayut, kak polzovatsya formuloy, ili ne ponimayut, chto oznachayet rezultat formuly. Yesli vy popadayete v lyubuyu iz etikh kategoriy, togda budet slozhno dobitsya uspekha v klasse matematiki. K schastyu, yest neskolko sovetov i priyemov, kotoryye mogut pomoch. Formuly delyatsya na dve osnovnyye kategorii: 1) Vychislitelnyye navyki. Eto tip formul, naiboleye chasto vstrechayushchiysya v algebre, i yego osobenno trudno ponyat, potomu chto simvoly chasto ne imeyut znacheniya. Zapomnit, chto a ^ 2 - b ^ 2 = (a + b) (a - b) mozhet bytlegko, no eto mozhet ne imet dlya vas absolyutno nikakogo znacheniya i, sledovatelno, ne budet imet dlya vas osoboy tsennosti. Tekhniki, kotoryye my obsudim, osobenno vazhny dlya etogo tipa formul. 2) Ochevidnoye primeneniye v realnoy zhizni. Oni chashche vstrechayutsya v geometrii i trigonometrii. Ikh legche ponyat, no metody takzhe mogut pomoch v etom.
Odna konkretnaya situatsiya, kogda neobkhodimo udovletvorit potrebnosti otdel nogo uchenika, - eto urok matematiki. Klass matematiki bol she, chem lyuboy drugoy klass, sozdayet situatsiyu, kogda uchenik, kotoryy uzhe znayet izuchayemyy material, no kotoryy v lyubom sluchaye dolzhen prosidet urok, prosto tratit svoye vremya. Poskol ku v klasse matematiki prepodayetsya takoy diskretnyy nabor navykov, ochen vazhno sozdat sistemu, kotoraya pozvolit uchashchimsya prodemonstrirovat lyubyye prodvinutyye znaniya, kotorymi oni mogut obladat, chtoby, yesli oni uzhe znakomy s materialom, kotoryy budet prepodavat sya, i osvoit yego v klasse v etom godu u nikh budet vozmozhnost srazu pereyti k boleye slozhnomu kursu obucheniya.
No v kakikh imenno situatsiyakh ucheniku sleduyet propustit urok matematiki? Na etot vopros mozhet byt slozhno otvetit, potomu chto resheniye o tom, gotov li uchenik propustit tselyy god po matematike, zavisit ot sposobnosti opredelit uroven komforta etogo uchenika s matematicheskimi kontseptsiyami za ves god na osnove vsego odnogo provedennogo testa. v nachale goda. Yesli, gipoteticheski govorya, u uchenikov prosto «udachnyy den, i im udalos otvetit na neskol ko voprosov, v kotorykh on ili ona ne byl polnost yu uveren, uchenik mog by v konechnom itoge popast v boleye prodvinutyy klass, chem on ili ona mogli by ne byt gotovym k. I naoborot, u umnogo uchenika mozhet byt plokhoy den, i v itoge on potratit god na izucheniye togo, chto on ili ona deystvitel no uzhe znayet.
Pora vozvrashchat sya v shkolu! Yesli vy uchenik starshey shkoly, to v etom godu vy, veroyatno, budete poseshchat uroki matematiki. A zanyatiya matematikoy obychno oznachayut, chto vam nuzhen kal kulyator. Pri pokupke kal kulyatora vy zakhotite prinyat vo vnimaniye ryad faktorov, vklyuchaya tsenu, funktsional nost, udobstvo ispol zovaniya i, vozmozhno, trebovaniya vashego uchitelya. Odnako vy takzhe dolzhny ubeditsya, chto prinyali vo vnimaniye yeshche odin vazhnyy faktor - standartizovannyye testy.
Yesli vy novichok, to, skoreye vsego, yeshche ne dumayete ob ekzamenakh v kolledzhe i AP. Odnako, yesli vy khot nemnogo interesuyetes matematikoy i / ili yestestvennymi naukami, vy, veroyatno, v konechnom itoge sdadite odin ili neskol ko ekzamenov AP po matematike i yestestvennym naukam. Uchityvaya stoimost segodnyashnikh graficheskikh kal kulyatorov, bezuslovno, razumno potratit dopolnitel noye vremya, chtoby khotya by oznakomitsya s politikami kalkulyatorov dlya etikh ekzamenov, inache vy pozzhe uznayete, chto vam nuzhno budet kupit novyy graficheskiy kalkulyator.
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