2- nazorat ishi. Yozma ish 1-variant
1.Masala.
Duradgor har kuni 6 tadan 14 kun deraza yasadi.Usta yana 2 tadan 5 kun eshik yasadi.Duradgor hammasi bo`lib nechta buyum yasagan ?
2. Amallarni bajaring. 70 : 10 – 48 : 8 ( 24 + 6 ) : 5
3. Taqqoslang. 30 x3 * 25 + 75 72 : 9 + 30 * 80 : 20
4. Tomonlari 3 sm va 4 sm bo`lgan to`g`ri to`rtburchak chizing.
Perimetrini toping.
2-variant
1.Masala.
Duradgor har kuni 5 tadan 13 kun deraza yasadi.Usta yana 3 tadan 5 kun eshik yasadi.Duradgor hammasi bo`lib nechta buyum yasagan ?
2. Amallarni bajaring. 80 : 20 –+30 x 2 8 x ( 4 + 5)
3. Taqqoslang. 40 : 2 * 86 - 46 56 : 8 + 21 * 60 : 20
4. Tomonlari 2 sm va 6 sm bo`lgan to`g`ri to`rtburchak chizing.
Perimetrini toping.