Sana: 201 y. Mavzu: O’nli kasrlar ustida to’rt amalga doir mashqlar darsning maqsadi


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Sana: «___» _____________ 201__ y.


Mavzu: O’NLI KASRLAR USTIDA TO’RT AMALGA DOIR MASHQLAR


Darsning maqsadi: O’quvchilarga o’nli kasrlar ustida to’rt amalga doir mashqlar yechishni o’rgatish, mavzuga doir misollar yechib ko’rsatish.


Darsning ko’rgazmali qurollari: ______________________________


Darsning borishi:


1. Tashkiliy qism – salom-alik qilish, davomatni tekshirish, zarur ko’rgazmali qurol va jihozlarni darsga hozirlash;
2. O’tilganlarni takrorlash va yangi mavzuni boshlashga hozirlik – yangi mavzu bilan bog’liq o’tilgan dars mavzularini takrorlash; o’quvchilarning yangi
mavzuni o’tishdan oldin bu mavzuga oid bilim darajalarini aniqiash, baholash
va yangi materialni o’zlashtirishga tayyorlash; yangi dars maqsadini tushuntirish;
3. Yangi mavzuni yoritish:

Amallarni bajaring (216-217):


216. 1) 1,5:68:5+5,3-3,8 ; 3) 1,57:0,35+0,2-25,2 ;
2) (9:4,52,2+4,6):0,9 ; 4) 0,80,48:0,8+9,52-2,09
217. 1) 5,36+5,7:0,31,6-1,6:16; 3) 7,24,5+7,6-1,23:0,1
2) (49,2:1,2+9)0,9-1,84 ; 4) (0,82+ 0,36):0,5-1,031 .
218. Ikkita sonning yig’indisi 4,18 ga, ayirmasi esa 2,06 ga teng. Shu sonlarni toping.
219. Ikkita sonning yig’indisi 366,22 ga teng. Agar birinchi son 16,26 ga orttirilsa, u holda hosil bo’lgan bu son ikkinchi songa teng bo’ladi. Shu sonlarni toping.
220. O’nta sonning o’rta arifmetigi 13,66 ga teng. Bu sonlarga qanday son qo’shilsa, ularning o’rta arifmetigi 17,99 ga teng bo’ladi?
221. To’g’ri to’rtburchakning perimetri 29,8 dm, bo’yi enidan 3,1 dm uzun. Shu to’g’ri to’rtburchakning yuzini toping.
Tenglamani yeching (222-223):
222. 1) 24,95x-26,05=285,825; 2) 13,064x-11,449=648,283;
3) 26,16x+24,08=89,48; 4) 6x-16,99=29639*0,01;

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