5-sinf boyicha ish reja Birinchi kun bo’yicha o’quv rejasi I bob. Natural sonlar va shkalalar

II bob. Natural sonlarni qo‘shish va ayirish
7. Natural sonlarni qo‘shish va uning xossalari.................................................36
8. Natural sonlarni ayirish va uning xossalari ...................................................41
9. Sonli va harfli ifodalar....................................................................................46
10. Qo‘shish va ayirish xossalarining harfiy ifodasi...........................................48
11. Tenglamalar................................................................................................51
12. II bobni takrorlashga doir masalalar. ..........................................................57