Published at Thursday, 10 September 2020. математика класс. By Karlotta Andre.
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.
S prazdnikom vsekh roditeley i uchiteley! U vashikh detey i / ili uchenikov slabyye matematicheskiye navyki? Nu ... ty ne odin! Znayete li vy, chto 93% studentov vo vsem mire imeyut problemy s ponimaniyem matematiki? Dokazano, chto dlya uspekha nashikh detey ochen vazhna prochnaya matematicheskaya baza. Vot pochemu mnogiye roditeli i uchitelya delayut vse vozmozhnoye, chtoby vdokhnovlyat i pomogat uchenikam izuchat matematiku ot vsego serdtsa, chtoby im bylo veselo. YA khotel by vospol zovat sya etoy prekrasnoy vozmozhnost yu, chtoby poblagodarit odnu iz moikh souchitel nits po imeni Tereza Evans. Ona sdelala udivitel noye otkrytiye, kotoroye obyazatel no pomozhet vam, a takzhe roditelyam i uchitelyam.
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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