Kiểm tra chất lượng đầu năm năm học: 2007 – 2008 môn: Toán 7

<span class='text_page_counter'>(1)</span>Phßng gd-®t h¶i hËu Trường hải đường A. Hä vµ tªn:…….. Líp:…………... Sè b¸o danh:….. Phßng thi:……... Kiểm tra chất lượng đầu năm N¨m häc: 2007 – 2008. M«n: To¸n 7 …………………………. …………………………. …………………………. ………………………….. §iÓm cña bµi thi. Sè ph¸ch. M«n: To¸n 7 Thêi gian lµm bµi: 90 phót. Sè ph¸ch. PhÇn I: Tr¾c nghiÖm kh¸ch quan (4 ®iÓm) Khoanh tròn vào chữ cái đứng trước câu trả lời mà em cho là đúng của mỗi câu sau ( từ câu 1 đến câu 11). Nếu viết nhầm em có thể gạch chữ cái vừa khoanh đi và khoanh vào chữ c¸i kh¸c. C©u 1: Gi¸ trÞ cña biÓu thøc 105 : 3 – (-75 :3) – ( 12 + 11)  3 b»ng: A. -59 B. -79 C. -9 D. 9 2 2 2 C©u 2: Gi¸ trÞ cña biÓu thøc [13 – (3 + 4 )] : 6 b»ng: A. 9 B. 12 C. 6 D. 24 C©u 3: T×m sè nguyªn x tháa m·n x  x . KÕt qu¶ lµ: A. Mäi x B. Kh«ng tån t¹i x C. x = 0 D. x  0 C©u 4: ¦íc chung lín nhÊt cña 16 vµ -24 lµ: A. 16 B. -8 C. 8 D. 24 C©u 5: Cho A. -6. 4 6  . Gi¸ trÞ thÝch hîp cña x lµ: x 9. B. 6. C. -3. D. 3. 1 1 5 C©u 6: Gi¸ trÞ cña biÓu thøc A = 2 :     lµ: 2  3. A. -5. B. 5. C©u 7: §æi hçn sè 2 A.. 6. 5 3. C. . 1 ra ph©n sè ta ®­îc: 3 7 B. 3. C.. 6 5. D. . 2 3. D.. 1 3. D.. 325 1000. Câu 8: Viết số thập phân -3,25 dưới dạng phân số ta được: A.. 3 25. C©u 9: Cho. B. 17 24. 13 4. C.. 325 100. 1 3. 11 . Dêu thÝch hîp trong « trèng lµ: 18. A. < B. > C.  C©u 10: Trong h×nh vÏ bªn cã gãc vu«ng xoy. C¸c tia 0m vµ 0n n»m trong gãc xoy, gãc yon = 700, tia 0m lµ tia ph©n gi¸c cña gãc n0y. Gi¸ trÞ cña gãc x0m b»ng: A. 350 B. 450 C. 550 D. 600. D.  x. 0. Lop7.net. n. m. y.

<span class='text_page_counter'>(2)</span> Häc sinh kh«ng ®­îc viÕt vµo phÇn nµy .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... 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<span class='text_page_counter'>(3)</span> C©u 11: Trong h×nh vÏ bªn cã ®­êng trßn t©m A B¸n kÝnh 7cm, ®­êng trßn t©m D b¸n kÝnh 5cm ®o¹n th¼ng AD c¾t hai ®­êng trßn t¹i B vµ C (B thuéc ®­êng trßn t©m D vµ C thuéc ®­êng trßn t©m A) biÕt ®o¹n BC = 3cm. §é dµi AD b»ng: A. 12cm B. 11cm C. 10cm D. 9cm. D. C. B. Câu 12: Đánh dấu  vào cột Đ cho phát biểu đúng, cột S cho phát biểu sai. Ph¸t biÓu a) Trong hai gãc bï nhau lu«n cã mét gãc tï b) Trong hai gãc phô nhau kh«ng cã gãc nµo tï c) Hai gãc bï nhau lu«n cã chung mét c¹nh d) Tổng của hai phân số đối nhau luôn bằng 0 e) Mỗi hợp số đều chia hết cho ít nhất hai số nguyên tố khác nhau PhÇn II: Tù luËn 96 ®iÓm) C©u 13: Trong h×nh vÏ bªn, cho ta ba ®iÓm A, B, C kh«ng B th¼ng hµng, ®iÓm M n»m trong ®o¹n th¼ng AC, tia BM lµ tia ph©n gi¸c cña gãc ABC. BiÕt gãc ABC b»ng 620 vµ gãc BCA b»ng 250 . a) TÝnh gãc ABM. b) Trªn h×nh vÏ cã bao nhiªu ®o¹n th¼ng cã ®Çu mót lµ hai trong 4 điểm A, B, C, M. Hãy kể tên những đoạn thẳng đó. M A A A A A c) BiÕt r»ng AMB  MBC  MCB . TÝnh BMC . C©u 14: Thùc hiÖn phÐp tÝnh a)       3  :  6  3  5 2   4  2 3. 1. 1. A. §. S. C. 2. 2. 2 1 b)   1   6 2  3. C©u 15: T×m x a). 3 1 1  x  2 4 4 2. 1 1 2 b) x    3    2  3 . 2. Bµi lµm .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... Lop7.net.

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