# 17 Nazorat ishi 4(2 soat)

6-sinf, matematika.
(2 soatlik bayonnoma)
«10» – noyabr, 2018-yil.
Mavzu: 4-nazorat ishi.
1. Darsning maqsadi: o‘quvchilarning kasrning asosiy xossasi, kasrlarni qisqartirish va umumiy
maxrajga keltirish, har xil maxrajli kasrlarni qo‘shish va ayirish, aralash sonlarni qo‘shish va
ayirish kabi mavzular yuzasidan olgan BKM larini tekshirish.
2. Darsning usuli: yozma ish.
3. Darsning jihozi: DTS ko‘rgazmalari, tarqatma materiallar.
DARSNING BORISHI:
1. Tashkiliy qism: o‘quvchilar bilan salomlashish, tozalikni tekshirish, davomatni aniqlash,
o‘quvchilarning dars mashg‘ulotlariga ruhiy jihatda tayyorliklarini aniqlash.
2. Yangi mavzuning bayoni: (Ikki variantdagi yozma ish matni)
1-variant.
1) Yig‘indini hisoblang
Yechilishi:
1
3/
1
+3=
2
1
2
2/
+
1
+ 1 12
3
1
4/
1
+
8
3+2
=
3
1/
1
+2=
8
2
1
6
1
1+4
=
2
2/
1
+1
3
=2
8
1/
1
2
5
= 6;
5
= 8;
= 3 2+1
=3
6
31
26
= 3 12;
2) Ayirmani hisoblang:
Yechilishi:
2
2/
1
2
3
− 12
5
3−1
2
7
3/
2
−2=
3
1

3
2/
=2
2
3

5
=
5/
1
2
4−3
6
1
= 6;
1
= 2 6−5
= 2 10
;
10
= (3 − 1) + 27 = 2 + 27 = 2 27 ;
3) Ifodaning qiymatini toping:
Yechilishi:
3
1
1/
1
−5+3=
15
3/
3

15
1
+
5
5/
1
=
3
3−3+5
15
=
51
315
1
= 3;
4) Do‘konga keltirilgan 5 23 tonna shakarning 3 56 tonnasi sotildi. Do‘konda qancha shakar qoldi?
Yechilishi:
5
2
− 3 56
3
2/
=
17

3
1/
23
6
= 34−23
= 11
= 1 56 ;
6
6
Javob: 1 56 tonna shakar qolgan.
2-variant.
1) Yig‘indini hisoblang
Yechilishi:
1
4/
1
1
+4=
3
1
3
1/
1
+5=
10
3
1
+ 2 12
4
3/
1
+
=
4
1
2/
+
10
12
1
1
+2
4
7
= 12 ;
1+2
=
5
1/
=3
4+3
10
2/
1
2
3
= 10 ;
= 5 1+2
= 5 38 ;
8
2) Ayirmani hisoblang:
Yechilishi:
2
5
2
3/
1
−3=
3
− 1 12
5
2−1
2
9
2
5
5/

1
3
=
2/
=2
6−5
15
5/
3
1
−1 2
5
1
= 15 ;
1
= 1 6−5
= 1 10
;
10
= (2 − 1) + 29 = 1 + 29 = 1 29 ;
3) Ifodaning qiymatini toping:
Yechilishi:
17
5
2
1/
−6+3=
18
17
18
3/

5
6/
+
6
2
=
3
17−15+12
18
=
147
918
7
= 9;
4) Do‘konga keltirilgan 14 78 tonna yog‘ning 13 34 tonnasi sotildi. Do‘konda qancha yog‘ qoldi?
Yechilishi:
14
7
− 13 34
8
1/
= 14
2/
7
3
− 13 4
8
= 1 7−6
= 1 18 ;
8
Javob: 1 18 tonna yog‘ qolgan.
3. Uyga vazifa: kasrning asosiy xossasi, kasrlarni qisqartirish va umumiy maxrajga keltirish, har xil
maxrajli kasrlarni qo‘shish va ayirish, aralash sonlarni qo‘shish va ayirish mavzularini takrorlash,
o‘qib o‘rganish va misollar yechish.
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