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- 1. TRNG BOI DNG VAN HOA 218 LY T T淡RONG, Q.1 T: 38 243 243 E THI XEP LP KHOA HE NAM HOC 2011 - 2012 Th担淡i gian la淡m ba淡i: 60 phu湛t ie奪m ba淡i thi Ch旦探ky湛 cu短a gia湛m th嘆: Ch旦探ky湛 cu短a gia湛m kha短o: Ho誰 va淡 te但n ho誰c sinh: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nga淡y sinh: . . . . . . . . . . . . . . 嘆a ch脱 gia 単狸nh: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L担湛p: . . . . . . . . . . So叩 ba湛o danh: . . . . . . . . . . . . . . . . . . . . . . . . Pho淡ng thi: . . . . . . . . . . . . . . . . HOC SINH KHONG C S DUNG MAY TNH I. PHAN TRAC NGHIEM : (5 単ie奪m) HOC SINH IEN CHCAI AU CAU TRA LI UNG NHAT VAO BANG TRA LI CAU 1 CAU 2 CAU 3 CAU 4 CAU 5 CAU 6 CAU 7 CAU 8 1. 7 ta誰 25 kg vie叩t d旦担湛i da誰ng so叩 単o ba竪ng kilo但gam la淡 A. 7,25 kg B. 72,5 kg C. 725 kg D. 7250 kg 2. So叩 th鱈ch h担誰p 単ien va淡o cho達cha叩m : 34 m2 4 dm2 = . . . . . . . dm2 A. 3440 B. 3404 C. 344 D. 34400 3. Cho 3x 2,5 4 . Gia湛 tr嘆cu短a x la淡: A. 7 4 B. 3,25 C. 1,75 D. C畉 A va淡 C 単eu 単u湛ng. 4. T畛 nh 畉n tr動畛ng V但n i m畉t 15 ph炭t. Bi畉t v畉n t畛c i c畛a V但n l 4 km/gi畛. Qu達ng 動畛ng t畛 nh V但n 畉n tr動畛ng di l: A. 60 km B. 1000 m C. 1000 km D. 3,75 km 5. N畉u 畛 24 th湛ng n動畛c vo m畛t b畛 tr畛ng th狸 l動畛ng n動畛c trong b畛 b畉ng 3 4 th畛 t鱈ch b畛. H畛i ph畉i 畛 th棚m bao nhi棚u th湛ng n動畛c n畛a th狸 b畛 畉y n動畛c? A. 8 th湛ng B. 18 th湛ng C. 32 th湛ng D. 16 th湛ng 6. Trong h狸nh v畉 b棚n c坦: ABCD l h狸nh ch畛 nh畉t c坦 chi畛u di AB = 5 cm v chi畛u r畛ng AD = 3 cm. M, N l t但m c畛a c叩c 動畛ng tr嘆n. Chu vi ph畉n h狸nh t担 s畉m mu l A. 7,935 cm B. 9,42 cm C. 15,42 cm D. 19,42 cm 7. Trong h狸nh v畉 b棚n l m畛t h狸nh l畉p ph動董ng 動畛c gh辿p t畛 c叩c kh畛i g畛 nh畛 c滴ng l h狸nh l畉p ph動董ng (kh担ng r畛ng ru畛t). Ng動畛i ta s董n ph畉n ngoi c畛a kh畛i h狸nh l畉p ph動董ng l畛n. C坦 bao nhi棚u h狸nh l畉p ph動董ng nh畛 kh担ng 動畛c s董n 畛 b畉t k狸 m畉t no? A. 3 B. 2 C. 1 D. 0 8. i畛m trung b狸nh 5 bi ki畛m tra m担n To叩n c畛a anh C動畛ng l 8,2. N畉u anh C動畛ng c坦 th棚m m畛t bi ki畛m tra 動畛c 10 i畛m th狸 i畛m trung b狸nh c畛a anh C動畛ng khi 坦 l bao nhi棚u ? A. 9,1 B. 8,3 C. 8,9 D. 8,5
- 2. II. PHAN T LUAN : (6 単ie奪m) 9. (2 単ie奪m) T鱈nh gia湛 tr嘆bie奪u th旦湛c sau : 42,4 3,24 + 50,7 32,4 : 27 ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ 10. (2,75 単ie奪m) M畛t mi畉ng 畉t h狸nh thang c坦 t畛ng c畛a 叩y l畛n, 叩y nh畛 v chi畛u cao b畉ng 84,7 m. Bi畉t t畛ng hai 叩y h狸nh thang b畉ng 5 2 chi畛u cao h狸nh thang 坦. a. T鱈nh di畛n t鱈ch mi畉ng 畉t h狸nh thang. b. Ng動畛i ta dnh ra 40% di畛n t鱈ch mi畉ng 畉t 畛 lm chu畛ng tr畉i chn nu担i. T鱈nh di畛n t鱈ch 畉t c嘆n l畉i. Gia短i: ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................
- 3. 11. (1,25 単ie奪m) M畛t ng動畛i i t畛 A 畉n B, qu達ng 動畛ng di 10 km. Ng動畛i 坦 i b畛 h畉t 30 ph炭t, r畛i g畉p b畉n i xe 畉p ch畛 i ti畉p 40 ph炭t n畛a th狸 畉n B. Bi畉t v畉n t畛c ng動畛i 坦 i b畛 b畉ng 1 3 v畉n t畛c ng動畛i i xe 畉p. T鱈nh v畉n t畛c m畛i ng動畛i. Gia短i : ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................
- 5. TRNG BOI DNG VAN HOA 218 LY T TRONG, Q.1, T: 38 243 243 AP AN E THI XEP LP KHOA HE NAM HOC 2011 2012 I. PHAN TRAC NGHIEM : (4 単ie奪m = 0,5単 8) CAU 1 CAU 2 CAU 3 CAU 4 CAU 5 CAU 6 CAU 7 CAU 8 C B B B A D C D II. PHAN T LUAN : (6 単ie奪m) 9. (2 単ie奪m = 0,5 cho mo達i phe湛p t鱈nh 単u湛ng 4 phe湛p t鱈nh) T鱈nh gia湛 tr嘆bie奪u th旦湛c sau : 42,4 3,24 + 50,7 32,4 : 27 = 39,16 + 1642,68 : 27 = 39,16 + 60,84 = 100 10. (2,75 単ie奪m) M畛t mi畉ng 畉t h狸nh thang c坦 t畛ng c畛a 叩y l畛n, 叩y nh畛 v chi畛u cao b畉ng 84,7 m. Bi畉t t畛ng hai 叩y h狸nh thang b畉ng 5 2 chi畛u cao h狸nh thang 坦. a. T鱈nh di畛n t鱈ch mi畉ng 畉t h狸nh thang. b. Ng動畛i ta dnh ra 40% di畛n t鱈ch mi畉ng 畉t 畛 lm chu畛ng tr畉i chn nu担i. T鱈nh di畛n t鱈ch 畉t c嘆n l畉i. Gia短i: a. (0,25 単ie奪m) Gi叩 tr畛 m畛t ph畉n l: 84,7 : (2 + 5) = 12,1 (m) (0,5 単ie奪m) Chi畛u cao mi畉ng 畉t h狸nh thang l: 12,1 2 = 24,2 (m) (0,5 単ie奪m) T畛ng hai 叩y mi畉ng 畉t h狸nh thang l: 84,7 24,2 = 60,5 (m) (0,5 単ie奪m) Di畛n t鱈ch mi畉ng 畉t h狸nh thang l: (60,5 24,2) : 2 = 732,05 (m2 ) (0,5 単ie奪m) b. Di畛n t鱈ch mi畉ng 畉t h狸nh thang lm chu畛ng tr畉i l: 732,05 40% = 292,82 (m2 ) (0,25 単ie奪m) Di畛n t鱈ch mi畉ng 畉t c嘆n l畉i l: 732,05 292,82 = 439,23 (m2 ) (0,25 単ie奪m) a湛p so叩: a. 732,05 m2 b. 439,23 m2 11. (1,25 単ie奪m) M畛t ng動畛i i t畛 A 畉n B, qu達ng 動畛ng di 10 km. Ng動畛i 坦 i b畛 h畉t 30 ph炭t, r畛i g畉p b畉n i xe 畉p ch畛 i ti畉p 40 ph炭t n畛a th狸 畉n B. Bi畉t v畉n t畛c ng動畛i 坦 i b畛 b畉ng 1 3 v畉n t畛c ng動畛i i xe 畉p. T鱈nh v畉n t畛c m畛i ng動畛i. Gia短i : V狸 v畉n t畛c ng動畛i i b畛 b畉ng 1 3 v畉n t畛c xe 畉p n棚n v畛i c湛ng m畛t qu達ng 動畛ng, th畛i gian i b畛 g畉p 3 l畉n th畛i gian i xe 畉p. Do 坦 n畉u i b畛 tr棚n qu達ng 動畛ng ng動畛i i xe 畉p th狸 m畉t : 40 3 = 120 (ph炭t) (0,5 単ie奪m) Th畛i gian i b畛 t畛 A 畉n B l : 30 + 120 = 150 (ph炭t) = 2,5 (gi畛) (0,25 単ie奪m) V畉n t畛c ng動畛i i b畛 l : 10 : 2,5 = 4 (km/gi畛) (0,25 単ie奪m) V畉n t畛c ng動畛i i xe 畉p l : 4 3 = 12 (km/gi畛) (0,25 単ie奪m) a湛p so叩 : i b畛 4 km/gi畛; Xe 畉p: 12 km/gi畛 AP AN MON TOAN 6 THI XEP LP NAM HOC _ 11 12 LU HANH NOI BO CHE BAN TAI 40MC, Q.1