6 – sinf Matematika Nazorat ishi №1 I variant

6 – sinf Matematika Nazorat ishi № 5
I variant

1. 
   Hisoblang. .
   
2. 
   Sonni kasrga ko’paytiring. a) 48* ; b)
   
3. 
   Tenglamani yeching.
   
4. 
   Ifodaning son qiymatini toping. bunda
   
5. 
   To’g’ri to’rtburchakning yuzi 32 sm²ga, eni esa ga teng. To’g’ri to’rtburchakning bo’yini toping?
   

II variant

1. 
   Hisoblang. .
   
2. 
   Sonni kasrga ko’paytiring. a) 85* ; b)
   
3. 
   Tenglamani yeching.
   
4. 
   Ifodaning son qiymatini toping. bunda
   
5. 
   To’g’ri to’rtburchakning yuzi 32 sm²ga, eni esa ga teng. To’g’ri to’rtburchakning bo’yini toping?
   

6 – sinf Matematika Nazorat ishi № 6
I variant

1. 
   Proporsiyani yeching. .
   
2. 
   Tenglamani yeching. .
   
3. 
   Proporsiyaning noma’lum hadini toping. a) X : 36 = 7 : 35; b) 9 : X = 27 : 4
   
4. 
   Xusayin uzumning 2 kgmi 2400 so’m turadi. Uning 3 kgmi necha so’m turadi?
   
5. 
   Proporsiyaning o’rta hadlari 63 va 54 ga, chetki hadlaridan biri 42 ga teng. Proporsiyaning ikkinchi chetki hadini toping?
   

II variant

1. 
   Proporsiyani yeching. .
   
2. 
   Tenglamani yeching. .
   
3. 
   Proporsiyaning noma’lum hadini toping. a) 36 : 27 = 3,75 : X; b) 17 : X = 68 : 23
   
4. 
   Xusayin uzumning 2 kgmi 2400 so’m turadi. Uning 6 kgmi necha so’m turadi?
   
5. 
   Proporsiyaning chetki hadlari 12 va 60 ga, o’rta hadlaridan biri 24 ga teng. Proporsiyaning ikkinchi o’rta hadini toping?
   

6 – sinf Matematika Nazorat ishi № 7
I variant

1. 
   Tenglamani yeching.
   
2. 
   Proporsiyaning noma’lum hadini toping. X : 36 = 7 : 35
   
3. 
   72 sonini 3; 7; 8 sonlariga to’g’ri proporsional qilib 3 ta qismga ajrating.
   
4. 
   To’g’ri to’rtburchak shaklidagi bog’ning 1:200 masshtabli chizmadagi o’lchamlari 50 sm va 60 sm ga teng . Bog’ning yuzini toping.
   
5. 
   A va B qishloqlar orasidagi masofaning xaritadagi uzunligi 5 smga teng. Agar kesmaga aslida haqiqiy uzunligi : a) 25 km b) 40 kmli masofa mos kelsa, xaritaning masshtabini toping.
   

II variant

1. 
   Tenglamani yeching.
   
2. 
   Proporsiyaning noma’lum hadini toping. 9 : X = 27 : 4
   
3. 
   84 sonini 2; 4; 6 sonlariga to’g’ri proporsional qilib 3 ta qismga ajrating.
   
4. 
   To’g’ri to’rtburchak shaklidagi bog’ning 1:400 masshtabli chizmadagi o’lchamlari 50 sm va 40 sm ga teng . Bog’ning yuzini toping.
   
5. 
   A va B qishloqlar orasidagi masofaning xaritadagi uzunligi 5 smga teng. Agar kesmaga aslida haqiqiy uzunligi : a) 30 km b) 45 kmli masofa mos kelsa, xaritaning masshtabini toping.