Sana: Tekshirdi: yuzli k 2-sinfda o‘tilganlarni takrorlash (14 soat) 1-dars Darsning texnologik xaritasi Mavzu

IV. Mustahkamlash.

5-misol.

Amallarni bajaring va natijani tekshiring:

2 · 64 – 102=128+102=126 4 · 87 – 205=348-205=143

96 : 8 + 240=12+240= 252 72 : 6 + 386=12+386=398

6-masala.

Kulol 50 daqiqada 2 ta laganga gul rasmini chizdi. U shunday 7 ta laganga gul chizishi uchun necha daqiqa kerak bo‘ladi?

Yechish:

(50:2)*7= 25*7=175

Javob: 7 ta laganga gul chizishi uchun 175 daqiqa kerak bo‘ladi.

V. Uyga vazifa:

7. Amallarni bajaring va natijani tekshiring:

24· 2=48 67 · 4=268 42·7=294 6 · 15=90

78 : 6=13 72 : 3=24 84 : 7=12 96 : 4=19

8. To‘g‘ri to‘rtburchakning yuzi 32 cm². Uning eni

8 cm ga teng bo‘lsa, bo‘yini toping. Bu to‘g‘ri

to‘rtburchakni chizing.

Yechish:

1-usul