5-sinf o`quvchilari uchun matematika fanidan maktab I tur olimpiadasi materiallari

6-sinf matematika fanidan bilimlar bellashuvi materiallari.

1.a=2,304, b=2,034, c=2,340,d=2,043 bo`lsa,a,b,c,va d sonlarni ortib borish tartibida joylashtiring.

A) b < d < a < c B) a < b < c < d C) b< D< c < a D) d< b < c < a
2. a=4,812 b= 4,821 c=4,218 d= 4,182 bo`lsa, a, b, c, vad sonlarni kamayib borish tartibida joylashtiring:
A)b>a>c>d B) b>a>d> c C) d>c>b>a D) b>d>c>a
3. Hisonlang:6,25-(2,01+0,28)
A)3,91 B)3,65 C) 3,36 D) 3,96
4. 2,9* 4 <2,938 tengsizlik bo`lishi uchun * o`rniga qo`yish mumkin bo`lgan barcha raqamlarni toping:
A) 1;2;3;4 B) 0;1;2;3 C) 2;3 D)1;2;3
5.3sr 87kg ni tonnada ifodalang:
A) 3,087 t B) 0,3t C) 0,387t D) 3,8t
6.325dm² ni kvadrat metrda ifodalang:
A) 3m ² B) 0,325m² C) 32,5m² D) 3,25m²
7. 78963864*3245 sondagi yulduzcha o`rniga qanday son qo`ysa u 11 ga bo`linadi.
A)2 B) 1 C) 3 D) 4
8. O butun mingdan yettini o`nli kasr ko`rinishida yozing.
A)0,07 B) 0,0007 C) 0,007 D) 0,00007
9. x ning qanday natural qiymatlaridan tengsizlik o`rinli : 2,86< x <5,01
A) 2,3,4 B) 3,4 C)2,3,4,5 D) 3,4,5
10. Quyidagi btengsizlik qanoatlantiruvchi barcha juft sonlarni yozing 18A) 20,22,24,26,28 B) 20,21,23,25,26 C) 24,25,25,23 D) 26,28,30,42
11. Hisoblang : 21*17-18*17+17*15-15*14+18*13-15*13
A) 120 B) 135 C) 155 D) 160

12 .4,6,8 raqamlar yordamida nechta ikki xonali son yozish mumkin.

A) 2 B) 4 C) 6 D) 8
13. 80dan katta hamma ikki xonali sonlar yig`indisi qanday raqam bilan tugaydi.
A) 1 B)2 C) 3 D) 0
14. Quyidagi sonlardan 3 ga ham, 5 ga ham bo`linadiganini aniqlang.
A) 1115 B) 815 C) 3040 D)7035
15. 5*62 yozuvidagi yulduzcha o`rniga qanday raqam qo`yilsa, hosil bo`lgan son 9ga bo`linadini?
A) 0 B) 2 C) 9 D) 5
16. Bir –biriga bo`linmaydigan ikki sonning EKUK 210, ularning EKUB esa 6. Shu sonlarni toping.
A)30va45 B) 30va 42 C) 15va20 D) 18va12
17. Abdulloning qadami 78sm, Salimaning qadami esa 65sm. Qnday eng qisqa masofada ularning qadamlari ustma – ust tushadi?
A) 3m 90 sm B) 320 sm C) 5070 sm D) 13 sm

18. Kasrlarni qo`shing.

A) B) C) D)
19 20dan 80 gacha bo`lgan tub sonlarni yozing.

20. Ayirmaning qiymatini toping.

1--
21. Taqsimot qonunidan foydalanib hisoblang.
131 *89-31 *89
22. Ifodaning qiymatini toping:

23. Agar ikki sonning ko’paytmasi 1 ga teng bo’lsa, bu sonlar o’zaro ………sonlar deyiladi.
24. Ko’paytmasi 840 ga teng bo’lgan to’rtta ketma-ket natural sonni toping.
25. EKUB (78,195) ni toping.

t/r	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
javob	A	A	D	B	C	D	B	C	D	A	C	C	D	D	D	B	A	A