de khao sat giua ky 1 toan 7

<span class='text_page_counter'>(1)</span>Bµi thi kh¶o s¸t chÊt lîng gi÷a k× I. M«n to¸n : Líp 7. N¨m häc 2015-2016 (Thêi gian lµm bµi 90 phót). I. PhÇn tr¾c nghiÖm (4.0 ®iÓm ). Câu 1. (1.0 điểm). Điền Đ ( nếu đúng ), điền S (nếu sai ) vào ô vuông: 1. 59N 6. NQ 2. -112  Q 7. 8,3615.... Q 3. -6,3 I 8. R  N 6 9. 15 I. 4. 9,21(39)  Q. 5. 5  I 10. 5,9Z Câu 2.( 1. 0 điểm): Khoanh tròn vào chữ cái đầu dòng của những khẳng định đúng. A. Một đờng thẳng cắt hai đờng thẳng song song thì hai góc đồng vị bằng nhau B. Đờng trung trực của đoạn thẳng là đờng thẳng vuông góc với đoạn thẳng đó C. Qua điểm A nằm ngoài đờng thẳng a, có ít nhất một đờng thẳng song song với a D. Hai góc bằng nhau thì đối đỉnh. E. Hai tam gi¸c b»ng nhau th× cã c¸c cÆp gãc t¬ng øng b»ng nhau C©u 3.( 2.0 ®iÓm). ®iÒn kÕt qu¶ vµo « vu«ng. 6 3   a) 15 4 1 3   b) 4 11. 6 2  15 11 5 22. 35.42 3 c) 2 .9.5. d) 2,5 - 3,9 -1,5 - 2,5 + 3,9 = C©u 4. (1.0 ®iÓm). Xem h×nh bªn råi ®iÒn vµo chç (...) trong c¸c c©u sau · · a) EDC vµ AEB lµ cÆp gãc .......................... ·BED ·CDE b) vµ lµ cÆp gãc .......................... A ·CDE ·BAT c) vµ lµ cÆp gãc .......................... · · E d) TAB vµ DEB lµ cÆp gãc .......................... M · · e) EAB vµ MEA lµ cÆp gãc .......................... D. T. B. C. II. PhÇn tù luËn (6.0 ®iÓm) C©u 1 .( 1,5 ®iÓm) .T×m x biÕt . x 1 x 2  a) x  2 x  3. 1 1 2 x  b) 2 2 7. c)  x-3,5 = 5,5 ; C©u 2. (2, 5 ®iÓm):Sè häc sinh 3 líp 7A, 7B, 7C lÇn lît tØ lÖ víi c¸c sè 7, 8, 9 biÕt r»ng sè häc sinh líp 7A Ýt h¬n sã häc sinh líp 7B lµ 3 häc sinh TÝnh sè häc sinh mçi líp .. 0 µ 0 µ C©u 3.( 2.0 ®iÓm): Cho tam gi¸c ABC cã A 30 , B 80 .Tia ph©n gi¸c trong cña gãc A c¾t BC ë D.. · TÝnh sè ®o cña gãc ADC. Bµi lµm. .................................................................................................................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................................................................................................................... .....................................................................................................................................................................................................................................................................................................................................................................................

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Bµi thi kh¶o s¸t chÊt lîng gi÷a k× I. Trêng THCS. M«n to¸n Líp 7 Thä :vùc. (Thêi gian lµm bµi 90häc phót) N¨m 2012-2013. Hä vµ tªn......................................................................................Líp 7................................ Sè b¸o danh Gi¸m thÞ 1 Gi¸m thÞ 2 Sè ph¸ch. §iÓm b»ng sè. §iÓm b»ng ch÷. Gi¸m kh¶o. Sè ph¸ch. §Ò 2 I. PhÇn tr¾c nghiÖm (5.5 ®iÓm ). Câu 1. (1.0 điểm). Điền Đ( nêu đúng ) , điền S (nếu sai ) vào ô vuông: 1. -9 N* 6 . 0,325  Z 2. -56 Z 7. 1,789... Q 3. -9,65  I 8. R I 5 4. 9  I 5. 9 Z. 9. Q  N. 10. Q  Z Câu 2.( 1. 0 điểm): Khoanh tròn vào chữ cái đầu dòng của những khẳng định đúng. A. Hai góc chung đỉnh và bằng nhau thì hai góc đối đỉnh.

<span class='text_page_counter'>(3)</span> B. Đờng thẳng c cắt đờng thẳng a và b tạo thành cặp góc trong cùng phía bù nhau thì a//b C. Đờng thẳng đi qua trung điểm của đoạn thẳng là đờng trung trực của đoạn thẳng đó D. Qua một điểm A nằm ngoài đờng thẳng a, có nhiều nhất một đờng thẳng song song với a E. Nếu hai tam giác có các góc tơng ứng bằng nhau thì hai tam giác đó bằng nhau C©u 3.( 2.0 ®iÓm). ®iÒn kÕt qu¶ vµo « vu«ng. 25.94.42 25.94.42 1 5 1 3   .  .  5.83 5.83 2 3 2 4 3 3 a) c) 5  11  2 2: 4   b)  d) 3,9 - 5,3 -6,5 +5,2- 3,9 = C©u 4. (1.0 ®iÓm). Xem h×nh bªn råi ®iÒn vµo chç (...) trong c¸c c©u sau · · T a) EDC vµ AEB lµ cÆp gãc .......................... · · b) BED vµ CDE lµ cÆp gãc .......................... A ·CDE ·BAT c) vµ lµ cÆp gãc .......................... E B M · · d) TAB vµ DEB lµ cÆp gãc .......................... · · e) EAB vµ MEA lµ cÆp gãc .......................... II. PhÇn tù luËn (6,0 ®iÓm) D C C©u 1 .( 1,5 ®iÓm) .T×m x biÕt . 1 2 5 2 1 1 1 x  x : 1 : 3 9 a) 3 b) 3 5 3 2 c)  x-1,5 = 2,5 Câu 2 (2, 5 điểm): Số cây 3 lớp 7A,7B,7C trồng đợc lần lợt tỉ lệ với 4, 3, 5 . Biết lớp 7C trồng đợc nhiều hơn lớp 7A là 24 cây. Hỏi cây mỗi lớp đã trồng ?. 0 µ 0 µ C©u 3.( 2.0 ®iÓm): Cho tam gi¸c ABC cã A 70 , B 80 .Tia ph©n gi¸c trong cña gãc A c¾t BC ë D. · TÝnh sè ®o cña gãc BAD Bµi lµm .................................................................................................................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................................................................................................................... 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