S burxonov, O‘. Xudoyorov, Q. Norqulova, N. Ruzikulova, L. Goibova matematika umumiy o‘rta ta’lim maktablarining

MUNDARIJA
2­SINFDA O‘TILGANLARNI TAKRORLASH 
Ikki va uch xonali sonlarni xonadan o‘tib qo‘shish va ayirish ................ 3
Qavsli ifodalar ………………………………………………….....………. 6
Qo‘shishning guruhlash xossasi ………………………………………… 7
Sondan yig‘indi yoki ayirmani ayirish .................................................. 9
0 va 1 sonlari ishtirokida ko‘paytirish va bo‘lish ....................................10
Ko‘paytuvchilarning o‘rin almashtirish xossasi ..................................11 
Sonning bir necha ulushini va ulushi bо‘yicha
sonning о‘zini topish .............................................................................13 
Ko‘paytirish va bo‘lish ...........................................................................14
Kombinatorik va mantiqiy masalalar ……………………………………..15
JADVALDAN TASHQARI KO‘PAYTIRISH VA BO‘LISH.
GEOMETRIK FIGURALAR
20·3, 30·4 ko‘rinishidagi ifodalar ...................................................... 17
60:3, 100:2 ko‘rinishidagi ifodalar .................................................. 18
90:30 ko‘rinishidagi ifodalar ........................................................... 20
Yig‘indini songa, sonni yig‘indiga ko‘paytirish ................................ 21
23·4, 4·23 ko‘rinishidagi ifodalar ....................................................... 23
Yig‘indini songa bo‘lish ................................................................... 24
42:3, 72:4 ko‘rinishidagi ifodalar …………..…………………………. 25
Bo‘lish va ko‘paytirishni tekshirish ................................................. 26
Ikki xonali sonni ikki xonali songa bo‘lish .................................... 27
Uch va undan ortiq ko‘paytuvchilarni ko‘paytirish ........................ 29
Qoldiqli bo‘lish …………………………………………….……………. 30
Qoldiqli bo‘lishni tekshirish ………………..…………………………… 31
To‘g‘ri chiziqni belgilash ………………………………………………… 32
Kesma, nur ………………………………………………………………. 34
100 soni ishtirokida kо‘paytirish va bo‘lish …………………………… 36
200·3, 800:4 ko‘rinishidagi ifodalar ………………………………… 37
320·3 ko‘rinishidagi ifodalar …………………………………………….. 38
490 : 7 ko‘rinishidagi ifodalar ………………………………………...…. 40
600 : 20, 900 : 300 ko‘rinishidagi ifodalar ………….……………...…. 41
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204
240 : 30 ko‘rinishidagi ifodalar ............................................................. 42
Mustahkamlash .................................................................................. 43
1000 ichida yozma ko‘paytirish va bo‘lish ..................................... 45
O‘nlikdan o‘tib ko‘paytirish ................................................................. 46
Yuzlikdan o‘tib ko‘paytirish ............................................................ 48
Onlikdan va yuzlikdan o‘tib ko‘paytirish ........................................ 49
396 : 3 ko‘rinishidagi ifodalar .............................................................. 50
346 : 2 ko‘rinishidagi ifodalar .............................................................. 52
852 : 4 ko‘rinishidagi ifodalar .............................................................. 53
216 : 3 ko‘rinishidagi ifodalar ............................................................ 55
276 : 4 ko‘rinishidagi ifodalar .............................................................. 56
742 : 7 ko‘rinishidagi ifodalar ............................................................. 57
Sonning bo‘luvchi va karralilarini aniqlash ....................................... 59
Ikki xonali songa ko‘paytirish ............................................................... 62
Uchburchaklarning turlari .................................................................... 65
Amallarni bajarish
 
algoritmi ................................................................. 67
Qavsli ifodalarda amallarni bajarish algoritmi ................................ 68
Mustahkamlash .................................................................................. 69
Kesmani teng bo‘laklarga bo‘lish ...................................................... 70
Doirani teng bo‘laklarga bo‘lish ........................................................ 71
Ko‘pburchaklarni teng bo‘laklarga bo‘lish ........................................ 72
Turli ko‘rinishda berilgan masalalar ................................................. 74