Tài liệu Bộ đề kiểm tra học kỳ 2 môn toán lớp 4 năm học 2019 2020

I i I i i Be cItle ri z - roAx + Bn so 2 - KIEM TRA cnle xi z - roAN 4 ............. oB so 3 - KrEM TRA cnla xi z - roAx 4 ............. DE So . Et KIEM TRA crtla Ki - cuol ri z ruOx roAx Q0te - 202q 1 _ KIEM TRA EE SO s - KIEM TRA GruA ri Z - TOAN 4 ............. LoP 4 ................ ....... s .......7 ..... 11 ..... 15 - KIEM TRA crtl,q. ri z - roAx 4 ............. .....t7 oE so 8 - KrEM TRA crt;'q. ri z - roAx 4 ............. ..... i9 or so 9 - KIEM TRA cltfe ri z - roAN 4 ............. ...................21 ur so 10 - KIEM TRA crtla xi z - roAx 4 ............. .....23 on so 1 - KIEM TRA cuor ri z - roAx 4.............. ......2s oE so 2 - KIEM TRA ci-ror ri z - roAx 4 ............. ......27 oE so 3 - KIEM TRA cuor ri z - roAx 4 ............. ......2s oE so + - xrnu rRA cuor ri z - roAx 4 ............. Bn so 5 - KIEM TRA cuor ri z - roAN 4 ....................i........ ......31 -a ...... rr on so 6 - KIEM TRA cuol ri z - roAN 4............. .....3s oB so 7 - KrEM TRA cuor ri z - roAN 4.............. ......37 DE so 8 - KrEM TRA cuor ri z - roAx 4 ............. .....39 Bt so e - KrEM TRA cuor Ki 2 -- roAx 4.............. ....41 Bn so 10 - KIEM TRA cuor xi z - roAN 4 ............. ....43 op so 11- KrEM TRA cu6r ri z - roAx 4 .........:... ....4s of so 12 - KIEM TRA cuol ri z - roAN 4 ............. ....47 on so 13 - KrEM TRA cuor xi z - roAx 4 ............. .............4g on so t+ - Bn KrEM TRA cuol xi z - roa.x 4.............. .... s1 on so ls - KIEM TRA cuor ri z - roAN 4 ............. .... s3 BE so 16 - KrEM TRA cuor xi z - roax 4 ............. .... s5 on so 17 - KrEM TRA cuor ri z - roAx 4 ............. Bn so rs - xrnu rRA cuor ri z - roAx 4.............. ................... s7 ................... s9 op so 19 - KIEM TRA cuor ri z - roAn 4.............. on so 20 - KIEM TRA cuol ri z - roAx 4.............. :..................................61 oAp Ax ro on rrpvr rRA cr[Ie xi u - Lop 4.............. .............. 63 on so t - xrnnn rRA crt.r-q, ri z * roAx 4 ............. .....63 DE so 7 1 ............. ............. ............. of so 2 - KIEM TRA cr(Ie xi z - roAN 4 pn so 3 - KIEM TRA cIfle ri z - roAx 4 EE so + - rcnvr rRA crila ri z - roAN 4 or so s - xrnu rRA crffa xi z - roAx "on so 6 - KIEM TRA crfra. ri z - roAN 4 pB so 7 - KIEM TRA crfla xi z - roAx 4 on so 8 - KIEM TRA crtfa ri z - roAx 4 on so q - KrEIvt rRA crffi ri z - roAx 4 on so 10 - KIEM TRA cr[Ia xi z - roAN 4 oAp Ax zo or xrnvr rRA cuor ri u - LoP on so t - xrnvr rRA cuol ri z - roAN of so z - rrntr rRA cuol ri z - roAx on so 3 - KIEM TRA cuor ri z - roAN on so + - xrnvr rRA cuol ri z - roAN on so s - KIEM TRA cuol ri z - roAN on so 6 - KIEM TRA cuor ri z - roAN DE so 7 - KIEM TRA cuor ri z - roAx or so B -t KIEM TRA cuor xi z - roAN ou s6 q - KTEIVI TRA cuor ri z - roAN prc so ro - rrnM TRA cu6r ri z - roAx nn so tt - xrtM TRA cuor xi z - roAx or so tz * xTBM TRA cuol xi z - roAx EE so 13 - KIEM TRA cuot ri z - ToAN 4............. -.-.-63 .-...64 ....,.a0 4'............. I ......-..--........--............--.. ............. ............. 4.........-... 4.............. 4.............. 4.............. 4.............. 4.............. 4....",......... 4.............. 4.............. 4.."............ 4.............. 4.............. +....... on so rs - xrsM TRA cuor or so 16 - KIEM TRA cuol ri z - roAx 4.............. ri z - roAN 4.............. - KIEM TRA cuot xi z - roAx 4.............. Bt so rs - KrEM TRA cuol xi z - roAx 4.............. oE so 20 - KIEM TRA cuol xi z - roAN 4.............. BB so 18 2 .'..'6s ;.....-......"" ""66 -.---66 .....67 .....67 ...--...........'-.68 ..'.'...-......68 -....68 .....6e ...-.69 .....70 ...--71 .-...71 .....72 .-.-.72 ..-..73 ---..-.....-.-.....73 ....-......-.-.....74 .--.......74 .-.-...7s * .............-.....76 ...--.-............76 .....'...'....-....78 ...................78 .---...............79 or so 1 - KrEM TRA crtl,q' xi z - roAx I pHAN fnAC NGIIIEM (atl) Khoanh tron vho cht c5i d4t tru6c Ciu 1: Trong c6c phan ,gg 88 ", itO;i;i 8 Ciu2z ,75 -- --' 300 r. c.-8 8 6uqs rut gQn thanh ph6n PhAn s6 -A. 25 B. 15 A. . B. 9 tOi gian ia: D. I 4 50 hqp diAn vdo ch6 ch6m ld: .. . ...dm2. 56 thich 1805 sO -8 D.: c.55 100 Ciu 3: 18m25dm2 : tr6ldi dfng: nnan s6 nho b6 hon 1? 9 B."'9 A.-9 cAu c. 185 1850 D' 18005 Cffu 4: DiQn tich hinh binh hdnh c6 dg dei d6y 5dm, chi6u cao 4dm lir: A. lo dm2 B.2o dmz C. l8 Ciu 5: SO ttricfr hqp d,5 diAn vdo ch6 chAm A. 49 dm2 Cflu 6: rrong c6c ph6n ta- A.-J 4 l B.7l dm2 A.-13 t2 ci,r. 32m2 49 dmz c. u dm2 D. 4o dm2 :. . .. dm' D.3249 dm2 pna. so ue hon 1 la: lrZr*;3 4'7'22'20' 9 B.-'7 Ciu 7: Krlt quA cua ph6p .0.,g '"12* * L1 dm2 |4 -22 c.-22 20 D..- -3 c.12 D.-4 20 ,U, B."6 *' t2 12 CAu 8: M6t lop hoc co 14 hqc sinh nam vi 17 hoc sinh nir. Hoi phdn s6 chi phAn hoc sinh nam trong so hoc sinh cua lcrp hgc do ld bao nhi6u ? A.-I4 t7 t4 B.^' *' _14 c.31 21 PHAN rr - Tu LUAN (6d) Ciu q 1. Tinh (1d) 4.t-. I I : t t 1 3 5 JJra --l--= 4 8 .. r^ D. J-- 4 7 D.-31 14 L. Cin 63 l. u. 85 - Zz a) ' 32 54 Tim x va y: (1d) 34y-- 34 x---2 5 b)'5-x 7 a Ciu 3. MQt cua hdng c6 50kg duong. Bu6i s6ng d5 b6n 10kg ; buOi chi6u ban Hoi bu6i chiAu cua hirng b5n Ciu duo. c bao nhi6u ki - 16 - gam duong ? (1,5d) 4. MQt sAn b6ng hinh chf nh{t c6 chi6u dai la 60m. Chi6u rQng vd diQn tich cua sAn bong d6 ? (1,5d) 4 ]8'so ducrng con lai. bi"g 1 ) chiOu ddi. Tinh chu vi DE so 2 - KrEM TRA crrle ri z - roAl* pffAN I - TRAC NGHIEM. khoanh trdn viro c6u tr6 ldi dfrng. -. Ciul:acua4mlh: 5 A.8dm B.24dm 'Ciu 2: PhAn so bane vOi Z C.8m A.' 7 28 D 12 ',.-35 ,?l Ciu 3: Gi6 tri cua bi6u thric 3 x: -: C."6 21 D.'- c.' P.' 8.1 Ciu 4: Hi0u cta hai s6 ld sO l6n nh6t co 3 chir sO. ti 1665 Ciu 5: Hinh thoi 1d: A. Ciu B. 15 35 ld: 42 A. D.24m ta: 7 l7^ A.'242 s6 cua hai s6 h c.666 900 S6 ton ta: c6 sd do c6c dudng ch6o lAn luot ld: 10 dm va 14 dm. DiQn tich cua hinh thoi do 140dm2 B.70dm2 3t2s 1.2.3.5 4'6'3' 4 6'3'4'4 Cflu 7: Ktit qu6 cira ph6p tinh '7 ' A. 452157 c. 104dm2 s,]9 .3.s 3' 6' 91 D. 14dm2 ., 11?1 -' 4'6'3'4 4'4 7 tu' c. -) t5 B.'- 45 D.+ CAu 8: T6ng cua hai sO ta tOO; hiQu cria hai s6 \d22. Hai s6 d6 t82 vd 1. 5 D. 333 6: Ddy ph6n s6 dugc xtip theo thri ty tu b6 d6n l6n ld: ": : : D c2.1 \-. Lr. IA.t! "' -.-.-.-' -.-.-. A. I B. 91 vd 112 C. 91 vd li: 69 PIIAN'II - TIJ LUAN. lam c6c biri tAp sau. Biri 1: (1 diem). Tim X: 2 I b)x:-=3 2 ;. 1 5 a)' x---- 4 3 5 D. 112 vd 182 ndng Biri 2: Bao gao c6n ndng 24kg,bao ng6 c6n nhi6u ki - 16 - .3 bing I bao gao' Hoi gam? n. Chi0u ddi a. b. cd hai bao c1n ndng bao bing 1chi6u r0ng' Tinh diQn tich thua ruQng' diro atr' Tinh diQn tich diro ao' Ngudi ta str dung ] aiqn tich thua ru6ng d0 6 Biri 4: Tinh bang c6ch thu4n ti0n nhAt: 7987 +-+-+ls 16 1s 16 6 PHAN f - fnAC NGHrf'M. ruu rRA crfre Cflu 1: PhAn s6 ndo du6i ddy bing phAn s6 | ) A.-20 Ciu 2: PhAn , p,, diem) B.-1,6 t6 c. 20 sd niro du6i d6y bd hcrn phAn ra ]I Z A.- D.-12 15 16 c.-166 2t 5 16 (0,5 di6m) B.-I 1 J I xi z - roAN Khoanh trdn vdo chft c6i tru6c cdu trA ldi dirng: on so : - D.-8 14 Ciu 3: SO tfricn hqp vi6t vdo ch5 ch6m de 45m2 6cm' : A.456 c. 4s0006 B.4506 .......cm' ln: (1 di6m) D.4s600 Ciu 4: MOt lcrp hoc c6 30 hgc sinh, trong d6 c6 12 hoc sinh nam. H6i s6 hoc sinh nam chi6m bao nhi6u phAn sd hgc sinh c6lcrp? (0,5 di6m) 2 A.- 5 ,| a 2 J J c.-5 B.3 D.2 Ciu 5: C6c ph6n s6 duoc sap xep theo thir tp tir lcrn d6n bd ld: (0,5 diem) .254 A.-;-,- 362 Ciu 6: SO ttricfr hqp dien A. Ciu 24 7z B.s24 : : 452 C.':-:- 632 2'.6'3 vdo ch6 ch6m trong ph6n ,O' 8.22 Ciu 8 : Doc c6c phAn s6 suu: (1 diem) a b) 8 1 -7 a j 5 c)- (0,5 di6m) Trong hinh vC bOn c6c cdp canh song song v6i nhau ld: (0,5 di6m) C. AB vd DC; AD vd BC D. AH va HC; AB va AH ? 11, c.28 A. AB va CD; AC va BD B. ABvdBC;CDvdAD a) f32- -r 16 d) ) """ 425 D.':-:2'36 D.26 PHAN rr Ciu - TU LUA.N. 1: Di6n dAu "> < :" 1 7 12"""" 13 ,,: vdo ch5 ch6m. 10 11 -' 18""..'18 -' 5 8 10 16 70 71 CAu 2: Tinh (2 di6m) 74 '15 ^\ 4t s 45 b)'58 -x^\ (/, '3 z-l ^a t2 '2 l\ u, ' 8 5 Cflu 3: Tim X: (1 diem) 15 27 b)X---=- a) X+- =" '4332 .) Cflu 14: Mgt manh vudn hinh chft nhflt c6 chi6u dd.i 90m, chidu rQng bing a chi6u dai. Tinh chu vi ) mdnh vuln d6. (1 di6m) 8 i I I. l l I .t- pn so 4 - KIEM TRA cnlq. xi z - roAx i ; : 'i i : pffAN f - fnAC NGHrf'M. Khoanh trdn chfr c5i tru6c Ciu 1. "MOt trdm c6u a tr6loi dfng nh6t. linh nbm triQu kh6ng tr5"m biy mucvi hai nghin kh6ng tram linh chin" dugc vitit '1 A. a72090 B. 105 070 090 1s0 Ciu2. TOng cua123987 vit789213 A. 92320 B. c. 10s 012009 D. 105 070 009 ld: 913200 C.9r2200 D. 903200 Ciu 3. Cho s6 48630. De sO con lai ld s5 c6 4 chir s6 chia h0t cho cd2; 5;9 thi phni xo6 di chir s6: A. Ciu 3 4. C6c 8.4 C.6 ph6n.6l;4'2' theo thf i; i;l;ixllp 4' 6'3 r ^ 51312 4 2 4 6',3 /\ IL ^72315 2',3 4 6 25135 4 l). -: -: -: 6 -: 2',3', 4', 4 CAu 5. Trung binh c6ng cira hai B. sO Uing 135. BiCt 111 C. sO ttrir ntrAt ta 246. Sd thu hai ld: 135 D.270 6. Trong cudc thi chay 200m c6 ba ban tham gia ld Hi, Nam vA Ninh. Hd chay net giAy, Nam chay h6t i 10 giAy, Ninh ch4y het A. Ciu -.-- 71235 B. -3 :-: -: -: -: 4',z', 4', 6'. Ciu t.u tdng ddn ld: I L. -'-r 4.24 D. 0 Ha B. Nam 7. M9 sinh con ndm 24 1ru6i. Hi6n nay Ban gianh chitSn thang trong cuQc J nhirt. C. Ninh tu6i mg gap 41An : pflit thi ZS lA: D. He vir Nam tu6i con. VAy tudi me vi tu6i con hi6n nay lAn lugt ld: A.24 tu6i; 4 tu6i. B. 28 tu6i; 8 tu6i C.32 tu6i; 8 tu6i. D. 32 tu6i; 6 tu6i. Ciu 8. Vuon hoa hinh thoi vC tr6n b6n d6 ti 19 1: 500 c6 d0 dii dubng ch6o l6n la 5cm vn d0 ddi duong chdo nho ld 2cm. DiQn tich thpt cua vudn hoa lir: A. 250cmz 3.125m2 PI{AN II Bni C. 250m2 - Tq LUA.N. Trinh biry chi titlt c6c bdri to6n sau: 1. Tinh: .3 2 a)-x-f-: '4 9 3 1 . ltx21.x18 b)-: '9x22x14 t 9 D. 125cm2 Bhi 2. Tim X: ' .47L a)x '384: -: - -- B3ri 3. MQt m6nh vuln hinh chCr nh4t c6 chu , * 3 + x r 11 b)x ; -r ,: G vi l44m,chiOu rQng bing I chieu dei. Tinh diQn tich minh vuln d6. Giai Biri 4. Tinh gi6 tri bi0u thirc sau: ^_ n/r:-+ 1 , 1 , L 2 6 1 --T 1 L2 20 30 1 .... r 9900 - 10 prran I Ciu Bn so s - xrsN{ TRA crtla, - TRAC XCnrrynr. Khoanh trdn tru6c cAu tr6 ld'i dung. (3 di€m) ph6n rO 1: PhAn s6 bdnga'\ I64 fa' c.- Ciul:Trong ,2 7 11 8 , t. ; gr;; nnan sd t6i gian ld: ; f c6c phAn so 11 9 6 c6c phAn rd 31g, *, * ; r r 12 11 12 B.- A.- 11 18 D.-I c.-22 B.-7 2 A.Ciu 3: Trong 4 4 8 6 D.-J 2 B.-6 A.-5 ri z - roAN + 12 4 '' i' nhan s6 t6i gian ld: ' c.-12 11 D.-l2 L2 mdu h6ng' PhSn 4: Lan c6 9 chitic vorg gdm 3 chi5c miru viurg, 2 chidcmdu trSng vd 4 chi6c lir: s6 chi phAn c6c chitic vdng:ndu h6ng trong t6ng s6 c6c chitic vdng cira Lan Ciu A.-3 B.-4 c.-2J D.-3 Cffu 5: I8 7 B. s6 c.63 D.64 a 9 4 9 cua 56 ld: A.49 m5i can chira Cffu 6: Co 6 can dau,,2 c6 bao nhi6u lit 1 fit aar. Nguoi ta chia dAu cho 7 gia dinh. Hoi m6i gia dinh dAu? '7 A.'l B.3l c. 41 84 49. D.-l t2 Phin II: T[l LU,IN (7 tli6m) ,4 13 cau 1: cho hai phan s6 I ,u -"4 . ,u, tinh t6ng hi6u tich thuong cua hai phan s6 d6. J) -lI ong ....... Hi6u ....... Tich ....... Thucrng 11 Cf,u 2: Vi0t c6c phAn s5 sau theo thf tu tu b6 d6n to.t '17 I 1! '' I72'' ?3'12' 6' 4 Cflu 3: b) Tinh: a) Tim x: 1_ 1.4 x:- 5 =- 7 2 6 6 5 '3l Cffu 4 : MQt cua hirng c5 85 kg duong. Bu6i sdng di bdn dugc 52 kg dulng, bu6i chi6u ben duqc s6 dulng cdn l4i. H6i cA hai bu6i cua hdng dd b6n dugc bao nhi6u ki-16-gam ducrng? Bdi giAi I 12 I- PHAN Cfiu ri z - roAN I DE so 6 - KIEM TRA cltla (3 diem) trdn tm6c cAu trA ld'i dirng. Khoanh TRAC NGIITEM : 1: Phan sO Uing phAn s6 II fa ' B.-ls 16 ,16 8 7 1l Ci,u 2: Trong cdc ph6n so i: ): i ;7 -14'9'8 168781611711 A.--vd B.-vd- 2s A.-2r 1498914787 Ciu 3: So thich hop d6 di6n vao o tr6ng ,U, A.5 Ciu 8.7 15 C.21 D.-18 35 phAn s6 b6 hon 1 ld: C. D.-vh- vir- !2t1: ] C.9 D. 4: MOt hinh binh hanh c6 canh dhy ld3 dm, Chiiiu cao bing :) 11 c4nh day. DiQn tich hinh binh J hanh ld: A.6 Ciu m2 B. 6o dm2 c. 6o cm2 D. 6 dm2 5: MQt khu r,.r.rdn c6 40 cAy cam vd25 cdy qu1,t. Phdn s6 chi s6 c6y qu1.t trong vuon lh A.-40 B.-2s 25 40 ,1 Ciu 6: PhAn sd - g6p^ mAy lAn phdn s6 5A. 2 lAn B. 3 lAn PHAN Ir: TII C.-40 D.-25 65 6s 1 15 C. 416n D. 5 lAn LUA.N ( 7 tli6m ) Cflu 1: Tinh: (3 diem) a)3+-651 584 Ciu b)--- ' 2: Vi6t c6c phAn s5 sau theo thir tu tu lcrn d0n bd: 13 ;! I8 r I8 ;?416 (1 diem). : Ciu 3: (1 di6m). Timx: Tinh gi6 tri bi6u thirc 28xx=_ 35 495 -x-:984 Ciu 4 : MQt dQi c6ng nh6n bu6i s6ng ddo Orrq. ' l qudng dudng, bu6i chi6u ddo duoc 4^ I5'quang dudng. Hoi cdn bao nhi6u phAn qu6ng dubng chua ddo? (2 di6m) Bai gi6i E,. t i,, tl :::: 14 : .-.:-- ...' .- ,,: . i! i;: ii ,.| € ''4g';; 'i : i EE so z - xrclr rR.A r. pnAN rnAc NGHTTM: (6 di6m) clue rii z -: oex + Khoanlt vdo chtr tlfrt trubc cfru trd ldi drtng: Ciu 1. 56 vira chia h6t cho 2, vira chia h6t cho 5 co'tAn cirng lir: A.0 B.1 C.2 Ciu2. Trong cdc s6 32743;41561;54567 A.32 743 4t B. 56t D.3 s6 chia htit cho 3 la: C. 54567 D.33 787 a 3. PhAn sd ndo du6i ddv bdns 1? Ciu ' "7 t) A.'-15 B.'2821213 , t) Cf,u 4. Rrit ggn phAn so i C. 128714 B.- Cdu 5. KCt qu6 cua phdp .Org A."i 8 Ciu 6. Cho R B. 24 Ciu ho. 7. Viet sO thich 25 C."i D.-6 C.',I 2 D.-B * 1 ta 3 so thich hqp dd di€n vdo cho trong Id: A. 16 A. I l1 B.'" t5 i15* 9 = ]5 7 D.. ,u duoc k6t qua la: _) .6 " A. o '' C.21 p vdo ch6 chAm: B. 20 1 4 tf,C D.42 ki : ...........ndm C. 22 D.50 Cflu 8. 45dm2 37cm2: .............crfi2 A. 4031 8.4537 CAu 9. MOt hinh chir nhAt c6 diOn ticn A. torn Ciu 3 B. 12 '. C. 400537 D.45037 I mr, chiiu dai ]: m. Chi6u rQng hinh chir nhAt la: 164 c.9,, 5 D.am s0 10. Cho hinh binh hdnh c6 di6n tich 525m2, chi6u cao 15m. E6y cua hinh binh hdnh la: A.45m 35m C.25m Ciu 11. Gi6tri cirabi6uthirc I * ] * 1 lu' 989 B. 15 D.55m A.- B.J- 18 18 Ciu 12.: - 1 * ] 8416 ,e.-2 L6 : B.7 20 1l c. -' D.rB --1.7 18 so oien vdo ch6 chSm ta: c. -'8I 8 D.-3 rr. PHAN Tu LUaN (a tri6m) Ciu 13. (1 tli6m) Tinh: x - - -: a.-111 238 Ciu 14. (2 ,51 D,- l24 I - - = 8 tli6m) Lop 4Ac6 45 em, cudi nam hoc duoc xtlp 3 lopi: em cfia lop dat loai Kh5., con lai la loqi trung binh. ]J-5,O .rn cua l6p dat loai Gioi, ] a H6i lcrp c6 bao nhieu em x€p loai trung binh? Bdi gi6i Ciu 15. (l tli6m). Tinh (t 3\ a.x+4 4s-l-+-l s 5 \5 s) .5x4 h -r 7355 16 s6 ",! I 't I PHAN I Ciu ' l I I l I ri - z - roAN DE so s - xmu rRA crfra. TRAC NGHIEM : Khoanh trdn tru6c cdu trA loi dirng. ( diem) 1: a) Trong c6c s5 sau : 1 1.2,342,1350,1298 nhftng s6 vua chia h6t cho 2 vira chia h6t cho 3 ld: 8.342;1298 C.1350;342 D. 1298 ; ll2 A. ll2;342 b) PhAn sO c6 tu sO ton hon mdu s6 1a phat s6' D .Bing2 C. Bing 1 A. Bd hcrn 1 B. Lon hcrn 1 ,i .8 8 6 5 3 _ ; ; -;:, -C6cph6ns6dat6igi6nli: 12'9'12'6'12 3 5 85 8 5 D.-:B. -: C.-:12 6 12'6 9 6 .,j,] l i i Ciu2:Trongc6cphAnso: ' : 8 6 A.-: 9 12 Ciu 3: MOt hinh binh henh c6 dQ dai d5y Id37 cm, chiOu cao ld 2 dm. Vfly diQn tich cua hinh binh hanh do li: A.740 Ciu cm2 cm2 C.704 cmz D. 401 cmz 4: a) PhAn s6 bing phAn s6 A."5623 6844 I b) ,7- cua 56 ld: A.49 Ciu 8.':.44 5: Trongc6cphAn ' t6 A.-- \ru, 64 C.- 8." C. 63 56 ,16 24 8 rphdn 56 so be nhat le: so - ; ; ., 10'9'7'42' = C.-8 B.24 B. 109742 ,t mdy l6n ph6n s6 Ciu 6: PhAn s6 :gip^ s- A.21An PhAn B. 3 lAn D." D.64 _56 D.- 1 _ 15 : C.41An rI: Ttf LU,|N ( 6 tli6m ) Cflu 1:Tinh: 17 D.5 lAn ir. i t: i:' i: r. '74 a)-25+ 34 b)'8 x ri -7 :!: l'i t: t, Ciu2:Sip xtip c6c phAn sO sau giim *",.. a6,, Lu srsrrr rru t.u theo thri ]g, ' 11 ' ? '24 g, 4, 16' Cfiu 3: Tim Y: u) ^ 1L g '' 4 15 Cflu 4: Tinh nhanh: 3Ax7 x12 6x10x4 Ciu 5: Mot minh aU"g d6t hmn binh hanh c6 chi6u cao 75 m, dO dai d6y g5'p d6i chiOu cao. Ngudi ta su 2 i) diQn tich manh ddt 6y Oe trOng hoa. Tinh diQn tich tr6ng hoa? Bai giAi 18 l EE so 9 - KrEM TRA crtla xi z - roAN pffAN I - TRAC NGHITM : Khoanh trdn tru6c cAu tr6ldi dfng. (3 diem) Ciu 1: Trong c6c phdn A.-25 21 ,r' ph6n s6 rut gen dusc li phdn s6: 2t't'J16',921, 3 35' = 18 C.1s B.t5 D. 16 21 35 Ciu2:56 thich hqp de di6n A.zs I v2ro o tr6ng,U' 8.26 !i6 = T 32 C.27 Ciu 3: Mqt hinh binh henh c6 canh d6y ld 6 dm, chieu D.28 cao bing 1"U* 7 d5y . VQy diQn tfch cua hinh binh hanh do ld: A.l2 Cflu 4: 2 -5 m A.40 dm2 B. 20 = c. ,t ttUO 8.400 cm mAy lAn phAn s6 A. 2 lAn A. 833; 4500 C.20 dm2 D. ca a vd c. cm D.200 cm 1 :ii -: B. 3 l6n CAu 6: Trong cric s6: 833; 4500; C.4 l5l5;2648;2lll. lAn Cdc sO D. 5 lin chia h5t cho 5 lir: 8.7515;2648 C.2648;2771 PITAN II: TII Ciu Di0n d6u thich hqp vAo o tr6ng: (2 d) 1: 1200 cm. 36 cAn di6n viro ch6 ch6m ld: cm CAu 5: PhAn s6 dm2 D. 4500;7515 LUriJ,{ (7 tli6m) Jr-=. a)-l '5" lt 5r--r8 b):l '6"4I: 1r-7 /- ;10 c);l-_l Ciu 2: Tinh: (2 d) 19 .-1 d)l[--]"8 .i '! ! j