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Sonlarning ayirmasi.(
Subtraction
)
Yig‘indi va bitta qo‘shiluvchiga ko‘ra ikkinchi qo‘shiluvchini
topishga
ayirish
amali
deyiladi. Ayiriladigan son –
ayiriluvchi
, ayiriluvchi ayriladigan son –
kamayuvchi
va
ayirish amali natijasi
ayirma
deb ataladi. Xususan, 72 – 48 ham
ayirma deb yuritiladi. 72 – 48 = 24
kamayuvchi(72), ayiriluvchi(48), ayirma(24)
Natural sonlarni ayirishda kamayuvchi ayiriluvchidan kichik bo‘lishi
mumkin
emas.
Ikki sonning ayirmasi – birinchi son ikkinchisidan
qanchaga ko‘p
ekanligini yoki
ikkinchi son birinchisidan
qanchaga kam
ekanligini anglatadi.
Natural sonlarni ayirishni sonlar nurida tasvirlash mumkin. Masalan, 8 sonidan 5
sonini ayirish talab qilinsin. Sonlar
nurida
A
(8)
nuqtani belgilaymiz
Undan chapga qarab 5 birlik kesma
sanaymiz va
B(3)
nuqtani topamiz.
Demak, 8 – 5 = 3.
1. Ayirmani bajaring (Subtract): 747 – 44 = ____
a) 704
b) 703
c) 705
2. Ayirmani bajaring (Subtract): 716 – 20 = ____
a) 696
b) 706
c) 736
3. Ayirmani bajaring (Subtract): 722 – 402 = ____
a) 330
b) 303
c) 320
4. Ayirmani bajaring (Subtract): 824 – 214 = ____
a) 605
b) 610
c) 620
5. Ayirmani bajaring (Subtract): 134 – 100 = ____
a) 84
b) 34
c) 133
6. Ayirmani bajaring (Subtract): 314 – 93 = ____
“CURIOSITY” O’QUV MARKAZI
Telegram kanalimiz: @curiosedu
+99890-969-45-21, +99897-767-45-21
a) 221
b) 211
c) 231
7. Ayirmani bajaring (Subtract): 470 – 55 = ____
a) 435
b) 425
c) 415
8. Ayirmani bajaring (Subtract): 554 – 65 = ____
a) 599
b) 499
c) 489
9.
Oakdale o’rta maktabi bufetida yong’oqli va oddiy saryog’ni aralashtirib sotishadi.
Ayni vaqtda bufetda 990 gram aralashma bor. Agar aralashmaning 67 grami oddiy
saryog’ bo’lsa, qanchasi yeryong’oqli? (The Oakdale Secondary School canteen goes
through a lot of regular and crunchy peanut butter. Currently, they have a total of 990
grams of peanut butter in stock. If they have 67 grams of crunchy peanut butter, how
many grams of regular peanut butter do they have?)
a) 923
b) 399
c) 823
10.
Xazina qidiruvchisi jami 933 ta toshlar bilan to'ldirilgan sandiq topib oldi.
Toshlarning 771 tasi olmos, qolganlari esa yoqut edi. Qancha toshlar yoqut edi? (A
treasure hunter discovered a buried treasure chest filled with a total of 933 gems. 771
of
the gems were diamonds, and the rest were rubies.
How many of gems were
rubies?)
a) 162
b) 172
c) 272
11.
Hasan ota shirinlik sexida jami 620 qopda shakar bor edi. Keyin xodim shirinlik
qilish uchun 301 qop shakar ishlatdi. Qancha shakar qoldi? (The ‘Hasan ota’ bakery
had 620 bags sugar. Then an employee used 301 bags sugar to make some biscuits.
How much sugar is left?)
a) 308
b) 319
c) 320
12.
Kosonsoy daryosida baliq tuxumlari joylashgan uyalar bor edi. Uyalarda jami 952
dona tuxum bor edi. Agar ushbu tuxumlarning 235 tasi yorilgan bo'lsa, qancha tuxum
hali yorilmagan? .(Kosonsoy River held a nest of fish eggs. The nest contained a total
of 952 eggs. If 235 of these
eggs hatched, how many did not hatch?)