2-sinf matematika ko'pburchak va uning perimetri

surxondaryo viloyati sho’rchi tumani 39-maktabning boshlang’ich sinf o’qituvchisi yunusova risolatning 2-sinf matematika fanidan ‘’ko’pburchak va uning perimetri’’ mavzusida tayyorlagan ochiq dars taqdimoti. 1 sinf: 2 dars: matematika mavzu: ko‘pburchak va uning perimetri dars shiori: matematika darsi- fanlarning eng a’losi. bizni olg’a yetaklaydi raqamlarning dunyosi. uyga vazifa so’rash 3.shaklning perimetri nimaga teng. 2 sm 2 sm 2 sm 2 sm p=2sm+2sm+2sm+2sm=8sm 3.shaklning perimetri nimaga teng. p=4sm+3sm+3sm+3sm+3sm=16sm 3 sm 3 sm 3 sm 3 sm 4 sm 3.shaklning perimetri nimaga teng. p=4sm+4sm+4sm+4sm+2sm+2sm=20sm 16 16 16 64 3. bo‘yi 20 metr, eni 30 metr bo‘lgan yer maydonini o‘rash uchun necha metr devor qurish kerak? 20 m 20 m 30 m 30 m p=30m+20m+30m+20m=100metr 72 50 63 81 56 uyga vazi...

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