Published at Thursday, 10 September 2020. математика класс. By Adriane Lacombe.
Vy znayete tot moment, kogda sidite na uroke matematiki i nakonets ponimayete, kak reshat zadachi na doske, no nikto drugoy etogo ne ponimayet? Razve vam ne kazhetsya, chto vy na vershine mira ili kak budto Bog ukrasil etot klass vashim prisutstviyem? YA imeyu v vidu davay! Dazhe uchitel vse portit! Eto odno iz samykh luchshikh oshchushcheniy, no eto takzhe odna iz zhertv kiber-shkoly. Davayte posmotrim na obratnuyu storonu moyey pervoy gipoteticheskoy istorii. Vy sidite na uroke matematiki, i uchitel obsuzhdayet chto-to sovershenno novoye, chto vklyuchayet drobi, mnimyye chisla, i ya dumayu, chto tol ko chto uvidel tam malen koye pi. Vy znayete, chto vam nuzhno sosredotochit sya, potomu chto, yesli vy ne poluchite pyaterku po etomu testu, vy libo ne proydete etot kurs, libo vam budet razresheno gulyat s druz yami. No vashi glaza nachinayut medlenno zakryvat sya, i vy nachinayete den mechtat o tom, kak etot milyy novyy student yest pirog. Zvonit zvonok, i ty bystro prosypayesh sya.
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.
Konechno, potrebuyetsya real noye uchastiye uchiteley, ne govorya uzhe o nebolshom kolichestve prob i oshibok, chtoby vyyasnit, kakova na samom dele ploshchad etikh chisel, no, kak tolko nekotoryy diapazon ustanovlen, kazhetsya, chto eto mozhet byt khoroshim sposobom sdelat uveren, chto studenty mogut uznat kak mozhno bolshe, ne buduchi peregruzhennymi. Takim obrazom, oni mogut izvlech kak mozhno bolshe polzy ot svoyego vremeni v klasse, a potrachennyye vpustuyu usiliya mogut byt svedeny k minimumu kak so storony uchitelya, tak i so storony uchenika.
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