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.
   

6 – sinf Matematika Nazorat ishi № 8

I variant

1. 
   Ifodaning qiymatini toping. I-81I + I-19I – I-50I
   
2. 
   Tenglamani yeching. IX-3I = 3
   
3. 
   Hisoblang. I-30I * I-3I + I-4I * I-1I
   
4. 
   Koordinata o’qida va 2 sonlar orasidagi butun sonlarni toping.
   
5. 
   To’rtta sonning yig’indisi 3888 ga teng. Bu sonlarning nisbati 4:3:5:6 kabi. Shu sonlarni toping.
   

II variant

1. 
   Ifodaning qiymatini toping. I-28I - I-14I + I-36I
   
2. 
   Tenglamani yeching. IX-1I = 4
   
3. 
   Hisoblang. I-40I : I-8I - I-12I : I-3I
   
4. 
   Koordinata o’qida va 2 sonlar orasidagi butun sonlarni toping.
   
5. 
   To’rtta sonning yig’indisi 3689 ga teng. Bu sonlarning nisbati 2:5:4:6 kabi. Shu sonlarni toping.
   

6 – sinf Matematika Nazorat ishi № 9

I variant

1. 
   Tenglamani yeching.
   
2. 
   Yig’indini toping.
   
3. 
   Agar a= 2,9; b=-2,3; c=3,4 bo’lsa (a + b) – c ni son qiymatini toping.
   
4. 
   Hisoblang. (-8)+(-7)+(-5)+(+8)+(+5)+(+7)
   
5. 
   Qishning sovuq kunlarida tunning birinchi yarmida temperature - 8 ⁰C ga o’zgardi, ikkinchi yarmida esa – 6⁰C ga o’zgardi shu tunda temperatura necha ⁰C ga o’zgargan?