Boshlang'ich sinflarda matematika o'qitish metodikasi
B oM ishda q o ld iq c h iq a d ig a n m a s a la la r n i y e c h is h
Download 7.79 Mb. Pdf ko'rish
|
8boshsinfmatematikapdf
B oM ishda q o ld iq c h iq a d ig a n m a s a la la r n i y e c h is h
H ar qaysi ju ft m isollarni taq q o slan g va u lam i yeching: 2 7 : 9 35 : 5 4 4 : 4 63 : 7 2 9 : 9 3 8 : 5 4 6 : 4 6 8 : 9 2. 16 sm uzu n lik d ag i kesm a chizing. B u ch izm ad a 5 sm d an n ech ta b o rlig in i k o ‘rsating. 3. 0 ‘q u v c h ila r varrak yasash i uchun 8 m in u td an v a q t k erak boMadi. 32 m in u td a n echta varrak yasash m u m k in ? 35 m in u td ach i? 4 0 m in u td a-ch i? 4 6 m inutda-chi? 4. 1 ta k o ‘ylak k a 3 m chit ketadi. 21 m c h itd a n n ech ta sh u n d a y ko^ylak tik ish m u m k in ? 25 m (27 m , 29 m ) ch itd an -ch i? 5. a 7 6 с 32 36 b 9 8 d 8 4 a • b 49 48 с : d 4 7 6 . a) 3 ir ayol 12 stul uchun 48 000 s o ‘m toMadi. S m n d a 2 stu q an ch a turadi? b) B u m asalag a teskari m asala tu zin g v a uni yeching. 7. 3 - 3 3 - 2 8 : 4 4 8 - 1 - 5 6 0 4 8 : 6 - 7 2 - 4 8 + 7 2 : 2 4 0 - 7 5 + 5 - 1 6 2 7 : 3 - 5 303 8 . a) B oN ishni b ajaring v a y ech ilish in i k o ‘p ay tirish bilan tek sh irin g : 5 6 : 2 8 9 3 : 3 1 7 2 : 4 b ) K o ‘p ay tirish n i bajarin g va y ech ilish in i b o ‘lish b ilan tek sh irin g : 24 • 3 4 8 • 2 15 • 8 D a r s n a m u n a s i Q o l d i q l i b o M i s h g a d o i r m a s a l a l a r n i y e c h i s h 1. 23 : 4. 23 soni 4 g a q o ld iq siz boM inm aydi. 23 d an k ich ik va 4 g a q o ld iq siz boM inadigan en g k a tta son 2 0 sonidir. 23 n i to ‘rtga boMish m u m k in , 5 hosil b o Nadi v a 3 qoladi. 23 : 4 = 5 (3 qoldiq). 2. D a fta r 2 s o ‘m turadi. A g a r o ‘qu v ch id a 10 s o ‘m boNsa, u n e c h ta q alam o lish i m u m k in ? 14 s o ‘m b o ‘lsa-chi? 15 s o ‘m boN sa- chi? 17 s o ‘m b o ‘lsa-chi? 3. 7 ga boN ganda q o ld iq d a 1 ch iq ad ig an uchta son va 8 g a b oN ganda q o ld iq d a 5 ch iq ad ig an uchta son yozing. D a r s n a m u n a s i Q o l d i q l i b o N i s h n i t e k s h i r i s h u s u l i 1. 8 g a q o ld iq siz boN inadigan 2 ta m isol tu zin g va ulam i y eching. 2. 0 ‘q u v ch i 1 9 : 2 m isolni b u n d ay yechdi: 19 : 2 = 8 (3 qoldiq). 0 ‘q u v ch i q an d ay x ato g a y o ‘1 q o ‘ygan lig in i tu sh u n tirin g va m isolni t o ‘g ‘ri yeching. 3. V ali b ir boNak sim ni sh u n d ay b u kladiki, u n d a h ar b ir to m o n i 9 sm li u ch b u rch ak sh ak lid a ram k a hosil boN di. S hu boN ak sim dan to m o n i 7 sm g a ten g boN gan k v ad rat ram ka y asash m um kinm i? 4. 3 8 : 9 7 5 : 8 3 2 : 5 1 4 : 3 59 : 6 4 4 : 7 57 : 8 25 : 4 5. B ir ayol d onasi 5 s o ‘m lik karam li som sadan b ir n e c h ta v a d o n asi 10 s o ‘m lik g o 's h tli so m sad an ham shuncha oldi. K aram li so m sa la r uchun u 30 s o ‘m toN adi. G o ‘sh tli so m salarg a qan ch a toN angan? M asalan i ja d v a lg a q isq ach a y o zin g v a uni eching. Download 7.79 Mb. Do'stlaringiz bilan baham: |
Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling
ma'muriyatiga murojaat qiling