Đề kiểm tra toán 7 chương I,II (2008-2009)

TRặèNG THCS MAC ẫNH CHI BAèI KIỉM TRA 1 TIT CHặNG II
- - - - - - - - Mọn : Sọỳ hoỹc 6
Thồỡi gian laỡm baỡi 45 phuùt
Hoỹ vaỡ tón : ................................................................. Lồùp :
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Cỏu 1: (2 õióứm)
a) Phaùt bióứu quy từc cọỹng hai sọỳ nguyón cuỡng dỏỳu, cọỹng hai sọỳ
nguyón khaùc dỏỳu ?
b) Aùp duỷng tờnh: (-10) + (-15)
(+50) + (-25)
Cỏu 2: (2 õióứm) Thổỷc hióỷn pheùp tờnh:
a) (-5) . 8 . (-2) . 3
b) 231 + 26 - (209 + 26)
c) 1152 - (374 + 1152) + (-65 + 274)
d) 3. (-4)
2
+ 16. (-2)
3

Cỏu 3: (2 õióứm) Tỗm x, bióỳt:
a) x + 10 = -14
b) 5x - 12 = 48
Cỏu 4: (2 õióứm) Haợy tỗm ổồùc chung cuớa -10 vaỡ -8
Cỏu 5: (2 õióứm) Haợy tờnh tọứng tỏỳt caớ caùc sọỳ nguyón x thoaớ maợn: -5 <
x < 6
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laỡm ..............................................................................
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óử sọỳ
1
ióứm
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TRặèNG THCS MAC ẫNH CHI BAèI KIỉM TRA 1 TIT CHặNG II
- - - - - - - - Mọn : Sọỳ hoỹc 6
Thồỡi gian laỡm baỡi 45 phuùt
Hoỹ vaỡ tón : ................................................................. Lồùp :
........
Cỏu 1: (2 õióứm)
a) Vióỳt cọng thổùc tọứng quaùt caùc tờnh chỏỳt cuớa pheùp nhỏn trong Z ?
b) Aùp duỷng tờnh nhanh: (-4) . 37 . (-25)
Cỏu 2: (2 õióứm) Thổỷc hióỷn pheùp tờnh:
a) 127 - 18 . (5 + 4)
b) [93 - (20 - 7) ] : 16
c) 1152 - (374 + 1152) + (-65 + 274)

d) 5
4
. (-4)
2

Cỏu 3: (2 õióứm) Tỗm x, bióỳt:
a) 2x - 35 = 15
b) | x - 1| = 2
Cỏu 4: (2 õióứm) Haợy tỗm ổồùc chung cuớa -12 vaỡ 6
Cỏu 5: (2 õióứm) Haợy tờnh tọứng tỏỳt caớ caùc sọỳ nguyón x thoaớ maợn: -10 <
x < 11
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laỡm ..............................................................................
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óử sọỳ
2
ióứm
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