1- mavzu: Natural sonlarning o`qilishi va yozilishi

1) 137 + x = 546	6)	95 = y + 63	11) x – o = 6
2) x – 87 = 42	7)	87 = 99 – a	12) 7 + x = 7
3) 60 – x = 47	8)	415 = 960 –y	13) x + o = 15
4) 80 = 45 + a	9)	306 = 93 + a	14) a ׃ 5 = 0
5) 8 ׃ x = 8	10)	10 ׃ c = 1	15) 16 ׃ k = 2
4 Tenglamani yeching 1) 86 • x = 15652	7) x ׃ 12104 = 997			13) 864 ׃ x = 9
2) 535144 ׃ x = 886	8) y ׃ 333 = 407			14) x ׃ 12 = 864
3) 48 • x = 624	9) a • 22 = 1342			15) 15 = y ׃ 37
4) 891 ׃ b = 81	10) 52 = b ׃ 12			16) 94 = 1128 ׃ a
5) 1521 ׃ m = 9	11) n ׃ 2070 = 501			17) 95 • n = 1520
6) x • 23 = 4048 ׃ 8	12) x ׃ 25 = 100 ׃ 20			18) 150 ׃ x = 180 ׃ 60

№ 3 Tenglamani yeching

№

№ 5 Tenglamani yeching

1) x –18 = 63 – 46 6) 24 + 19 = 15 + y
2) 154 + y = 174 + 27 7) 97+65 = y – 83
3) 416 – x = 440 – 37 8) 34+47 = 97 – a
4) k + 65 = 97 + 53 9) 76 – 8 = 27 + k
5) 342 – a = 297 + 34 10) 97 – 12 = a + 36

№ 6 Tenglamani yeching

1) 2 • 16 – x = 20	4) x + 4 • 20 = 135	7) 13 • 25 + y = 400
2) 15 • 23 – y = 305	5) y – 2 • 60 = 300	8) 46 • 7 – k = 280
3) 15 ׃ 3 + x = 27	6) k – 12 ׃ 4 = 15	9) 400 – a = 3 • 70

№ 7 Tenglamani yeching

1) 25 = 2 • 14 – y	5) 4 • 17 + a = 12 • 15	9) 3 • 17 = a + 35
2) 3060 = 25 • 121 + a	6) 12 • 15 – k = 30 • 2	10) 400 = 51 • 9 – x
3) 30 = x + 51 : 3	7) x + 26 : 13 = 18 : 2	11) 12 • 6 = y – 15
4) 120 = 30 • 9 – k	8) x – 40 : 8 = 63 : 7	12) 97 = x + 12 • 8
№ 8 Tenglamani yeching 1) 4 •15 + a = 65 + 20	5) (100 – 49) – x = 37
2) 12 • 16 – k = 80 + 67	6) (60 + 23) – y = 45
3) a – 63 : 7 = 20 – 17	7) y – ( 52+ 17) = 90
4) 36 : 3 = x + 26 : 13	8) a + (43 + 20) = 87

№ 9 Tenglamani yeching

1) (100 – 90) + y = 30 5) 40 • 3 – a = 100
2) ( 57+17 ) –a = 53 6) 40 = a + (12+15)
3) a + 4 • 26 = 200 7) 58 = ( 80 – 30 ) + x
4) k – 12 • 13 = 30 8) 97 = ( 120 – 15 ) –y
№ 10 Tenglamani yeching
1) 2x +5 = 29 4) 150 – 12y =42 7) 12y – 80 = 100
2) 60 + 7y = 130 5) 80 – 6x = 20 8) 40 = 64 – 8a
3) 4y – 35 = 45 6) 6x + 16 = 58 9) 27 = 12 + 3b

№ 11 Tenglamani yeching

1) 94 + 8y = 238	4) 52 + 12x = 244	7)
2) 82 – 4k = 54	5) 420 + 6k = 498	8)
3) 95 = 7a + 25 № 12 Tenglamani yeching	6) 208 + 12y = 292	9)

50 = 80 – 5x
68 = 6x + 26
99 = 120 – 7a
1) ( x + 73 ) +67 =307 4) ( x + 218 ) – 65 = 190
2) ( 211+ y ) +93 = 493 5) ( 42 + a ) + 11 = 98
3) ( 142 + a ) – 112 = 68 6) ( 100 – c ) + 31 = 54

№ 13 Tenglamani yeching

1) 81 + ( x + 198 ) = 312 5) 49 + ( 100 – y ) = 101
2) ( y – 78 ) +192 = 210 6) 90 + ( 100 + x ) = 257
3) ( x – 41 ) – 34 = 176 7) (100 – x ) +20 = 30
4) ( 584 – y ) – 19 = 482 8) ( 100 – y ) – 51 = 37

№ 14 Tenglamani yeching

1) 800 + ( x – 120 ) = 1000 7) ( 45 + x ) – 250 = 0
2) 860 – (x – 940) = 120 8) ( x + 375) – 275 = 125
3) 1000 – ( 585 + z) = 300 9) 69 – (n + 49) = 20
4) 1001 + ( m + 666) = 2000 10) 375 – ( 25 + y) = 135
5) (948 + b) – 725 = 293 11) ( b + 274) – 116 = 161
6) 139 – (x + 6) = 129 12) 256 – (144 + p) = 112

№ 15 Tenglamani yeching

1) 25 = 69 – ( y + 40 ) 5) 999 = ( 8765 + 1234 ) –b
2) ( 3270 + 6725 ) – a = 2 6) 85634 + x = 11403 +85634
3) 130 = 870 – ( x – 940 ) 7) 449 + ( 53 + 508 ) = ( 449 + y ) + 508
4) 3000 = 2001 + ( x + 666 ) 8) 2002 = 387 + ( 250 + a )

№ 16 Tenglamani yeching

1) x – 107 • 39 = 2112 5) ( 815 + x ) +85 = 1900
2) 96 • 107 – x = 3419 6) ( 2715 – x ) – 81 = 1909
3) y + 87 • 65 = 10212 7) 2200 = 379 + ( 121 + a )
4) 214 • 103 + y = 100064 8) 1312 = 4312 – ( y – 503)

№ 17 Tenglamani yeching

1) 95 + ( 615 + a ) = 1600 4) 300 = 800 – ( 485 + x )
2) 5312 – ( y – 503 ) = 2312 5) 1200 = 900 + ( x – 120)
3) 413 – ( 285 + x ) =80 6) 60 = ( 45 + x ) – 250

№ 18 Tenglamani yeching

1) 2x + 5x + 49 = 287 4) 7x + 3x + 183 = 973
2) 5x – x + 20 = 60 5) 4x +2x + 3996 = 7848
3) x + x + 86 = 178 6) ( y – 4486 ) – 14603 = 9876 + 10005
№ 19 Tenglamani yeching

1) x ׃ 21 = 504	5) 5a + 4a = 7227	9) 12 ׃ ( 3 + a ) = 3
2) 322 • x = 32522	6) 41 • ( 3 + x ) =164	10) 48 ׃ ( 13 – a ) = 6
3) 27972 ׃ x = 42	7) 32 • ( 5 – x ) = 128	11) 90 ׃ ( 27 + x ) = 2
4) 13x – 3x = 2100	8) 18x + 12x = 2730	12) 6x + 9x = 270

№ 20 Tenglamani yeching
1) 56 • ( 3x + 6) = 3024 7) ( 1328 + 3x ) – 728 = 1500
2) 17 • ( 5x – 3 ) = 1734 8) 744 + ( 4x – 544 ) = 1400
3) ( 7325 – 2x ) – 409 = 4178 9) 99907 – ( 8x + 325 ) = 4214
4) ( x + 1285 ) • 1001 = 3397394 10) ( 24p – p ) + 68 = 597
5) ( 43x + 387 ) ׃ 387 = 92 11) ( 43x + 42x ) – 190 = 1000
6) 85 + ( 8x – 3x ) = 285 12) ( 2x – 147 ) + 100 = 393

№ 21 Tenglamani yeching

1) (x+ 22) ׃ 4 + 28 = 63 6) 171x – 57x = 51 • 2 • 171
2) 105 ׃ (x – 9) = 35 7) 56x – 47x = 8961 ׃ 29 ׃ 3+ 59
3) 15x + 35x = 3000 8) (360 +x) • 1002 = 731460
4) 9y +21y = 2100 9) (46 – 4x) • 8 = 48
5) 19x + 34x – 8x = 2700 10) ( 52 – 7y ) + 20 = 37

№ 22 Tenglamani yeching

1) 2² • (x – 8) = 2³ • 7 5) 5² • (2x – 7) = 25 • 17
2) ( 35 + x) • 2³ = 16 • 22 6) (91 +11x) • 7² = 7³ • 112
3) x + x +100 = 28028 ׃ 14 7) 6x +x – 3x = 25 • 16
4) x + 6x +700 = 70 • 16 8) x + 2x + 3x = 11 • 72

5- Mavzu:. Sonning bo`luvchilari va karralisi.

9. 
   Berilgan sonning bo`luvchilarini toping
   

1. 
   ─ misol 24 sonining barcha bo`luvchilarini topaylik : 1, 2, 3, 4, 6, 8, 12, 24
   

9. 
   Berilgan sonlarning umumiy bo`luvchilarini toping
   

2. 
   ─ misol 27 va 18 sonlarining umumiy bo`luvchilarini topaylik
   

1. 
   ularning barcha bo`luvchilari topiladi 27 ning bo`luvchilari: 1, 3, 9, 27
   

18 ning bo`luvchilari: 1, 2, 3, 6, 9, 18

2. 
   ular ichidan bir xillari ajratib olinadi:
   

27 va 18 ning umumiy bo`luvchilari : 1, 3, 9

31. 
    Juft son deganda nimani tushunasiz ?
    

2 ga karrali ( 2ga bo`linadigan ) sonlar juft sonlar deyiladi.
0, 2, 4, 6, 8, 10, … – juft sonlardir
Har qanday juft son : 0, 2, 4, 6, 8 raqamlaridan biri bilan tugaydi.

31. 
    toq son deganda nimani tushunasiz ? 2 ga bo`linmaydigan sonlar toq sonlar deyiladi
    

1, 3, 5, 7, 9, 11, … – toq sonlardir
Har qanday toq son : 1, 3, 5, 7, 9 raqamlaridan biri bilan tugaydi.

№ 1 Quyida berilgan sonlarning barcha bo`luvchilarini yozib chiqing:

1) 72,	3) 21,	5) 95 ,	7) 6,	9) 32,
2) 17,	4) 80,	6) 59,	8) 100,	10) 28

№ 2 Quyidagi sonlarning barcha umumiy bo`luvchilarini toping.

1) 18 va 24	2)	15 va 55	3) 16 va 42	4) 38 va 57
5) 8 va 15	6)	60 va 35	7) 54 va 6	8) 12 va 25
№ 3 Quyidagi sonlarning bo`luvchilari nechta
1) 22	2) 34	3) 58	4) 80
5) 23	6) 52	7) 72	8) 98

6- Mavzu: Sonlarning 2 ga , 5 ga, 10 ga bo'linish belgilari

31. 
    Sonlarning 2 ga bo'linish belgisini ayting?
    

Oxirgi raqami 0 yoki juft bo`lgan sonlar 2 ga qoldiqsiz bo'linadi.
Masalan: 1) 12, 28, 336 larning oxirgi raqami juft; 4570, 390 larning oxirgi raqami nol shuning uchun bu sonlar 2 ga qoldiqsiz bo'linadi.

2. 
   5687, 25211, 489 larning oxirgi raqami toq shuning uchun bu sonlar 2 ga qoldiqsiz bo'linmaydi.
   

34. 
    Sonlarning 5 ga, bo'linish belgisini ayting?
    

Oxirgi raqami 0 yoki 5 bilan tugaydigan sonlar 5 ga qoldiqsiz bo'linadi.

Masalan: 450, 390, 60 larning oxirgi raqami nol; 175, 4985 larning oxirgi raqami 5 shuning uchun bu sonlar 5 ga qoldiqsiz bo'linadi.

34. 
    Sonlarning 10 ga bo'linish belgisini ayting? Oxirgi raqami 0 bo'lgan sonlar 10 gа qoldiqsiz bo'linadi.
    

Masalan: 450, 390, 200 larning oxirgi raqami nol shuning uchun bu sonlar 10 ga qoldiqsiz bo'linadi;