on tap toan cuoi nam lop 5
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đề cương ôn tập môn toán cuối năm dành cho lớp 5TRANSCRIPT
LUYEN TAP ( 1)TON-LP 5 Ho va ten :PHN I: TRC NGHIM Khoanh trn vo ch ci trc cu tr li ng
1.Gi tr ca ch s 9 trong s : 28,953 l:
A.
B.
C.
D. 9 n v
2. 1gi = pht
A. 62 pht
B. 90 pht
C. 100 pht D. 120 pht
3. 8 tn 77 kg = tn
A. 8,077 tn B. 8,77 tn
C. 87,7 tn
D. 8,770 tn
4. 21 gi 10 pht cn gi l my gi?
A. 7 gi 10 pht B. 8 gi 10 pht ti C. 9 gi 10 pht ti D. 10 gi 10 pht ti
5. 5% ca 120 l:
A. 0,06
B. 0,6
C. 6
D. 60
6. Mt hnh ch nht c chiu di m, chiu rngm, chiu cao m. Din tch xung quanh ca hnh hp l:
A. m2B. m2C. m2D. m2
PHN II: T LUN
Bi 1: t tnh ri tnh:
702,84 + 85,69 868,32 205,09 25,56 x 3,7 91,08 : 3,6
Bi 2: Tm X.
12,5 - X = 4,27 18,2 : X = 5,6
3.ng ghi , sai ghi S vo trng:a) 135pht =13,5 gi
b)2dm3 35cm3 = 2,035 dm3
c)3ngy 15 gi + 2 ngy 12 gi = 6 ngy 3 gi.
Bi 3: Mt ngi i xe p t A n B vi vn tc 12 km/ gi. Sau 3 gi mt xe my cng i t A n B vi vn tc 36 km/ gi. Hi k t lc xe my bt u i th sau bao lu xe my ui kp xe p ?
Bi gii:
Bi 4.. Tnh A v tnh B cch nhau 180 km . Cng mt lc c hai t xut pht t hai tnh v i ngc chiu nhau, sau 2 gi chng gp nhau.
a) Hi sau mt gi c hai t i c bao nhiu ki-l-mt?
b) Tnh vn tc ca mi t, bit vn tc t i t A bng 2 vn tc t i t B
3
Bi gii
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... .....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................LUYEN TAP TON-LP 5 Ho va ten :
I. PHN TRC NGHIM:
Hy khoanh vo ch ci t trc tr li ng: Cu 1: Mt hnh thang c din tch 150cm2 , y ln 8cm, y b 7cm th chiu cao l :
a. 5m b. 10m c. 20m Cu 2: Lp 5A c 25 hc sinh , trong c 15 hc sinh n .T s phn trm ca hc sinh n v s hc sinh c lp l.A 0,6 %
B 10 %
C 60%Cu 3: 2 gi = ........ pht
a. 165 b. 170 c. 180
Cu 4: Ket qua cua phep tnh nhan 3,47 0,6 la A20,82
B 18,82
C2,082
Cu 5: 25 % ca 36 l :
a. 4b. 9c. 18
Cu 6: S cn in vo ch chm ca 6m3 17 dm3 = .......m3 l :
a. 6,17 b. 6,017 c. 6,170
II. PHN T LUN Bi 1 (2 im). t tnh ri tnh :
a)23 pht 15 giy - 8 pht 40 giy b)13 gi 28 pht + 15 gi 36 pht.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
c)29 pht 37 giy 5 d)65 gi 52 pht : 4
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bi 2: Tm x a)108,19 : x = 84,4 - 68,9 b) 35,5 x 3 + 35,5 x 7
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bi 3: Mt phng hc dng hnh hp ch nht c chiu di 9 m, chiu rng 6 m v chiu cao 5 m. Ngi ta qut vi cc bc tng xung quanh v trn ca cn phng (ch qut pha trong). Tnh din tch cn qut vi, bit bit rng phng c 4 ca s v 2 ca ra vo ca s hnh vung mi cnh 1,5 m ca ra vo hnh ch nht rng 1,6 m cao 2,2m.Bi gii
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Bi 4:. Mt t i t thanh pho A lc 9 gi v n thanh pho B lc 12 gi 45 pht. t i vi vn tc 48km/gi v ngh dc ng mt 15 pht. Tnh di qung ng t thanh pho A n thanh pho B.
Bi gii ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................................................................................LUYEN TAP TON-LP 5 Ho va ten :
7. Khoanh vo ch t trc cu tr li ng :
a) Ch s 5 trong s 76,258 thuc hng no ?
A. Hng n v B. Hng trm C. Hng phn trm D. Hng phn nghn
b) 0,05% = ?
A. B. C. D.
b) 10% ca 8dm l :
A. 10cm B. 70cm C. 8cm D. 0,8
c) Cho na hnh trn A nh hnh bn.
Chu vi hnh A l :
A. 6,28cm B. 10,28cm
C. 12,56cm D. 16,56cm
d) Hn s vit di dng phn s l : A. B. C. D.
b) 2% cua 3000 m = . . . . . . m
A- 40 B- 50 C- 60 D- 70
8. t tnh ri tnh :
a) 419,74 + 372,48 b) 965,7 98,34 c) 691,7 x 1,5 d) 59, 2 : 0,16
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
8 phut 23 giay + 8 phut 52 giay 2 gi 18 phut 6
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 7 nam 9 thang 4 nam 5 thang 17 phut 55 giay : 5
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 9. Tnh dien tch phan co t mu trong hnh ben .
Bai giai
26 cm ..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................10.Tm X :
X x 10 = 1,643 + 7,357
410 - X = 91,08 : 3,6
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
11. Tnh A v tnh B cch nhau 280km. Cng mt lc hai t xut pht t hai tnh v i ngc chiu nhau, sau 3 gi chng gp nhau.
a) Hi mt gi c hai t i c bao nhiu ki-l-mt ?
b) Tnh vn tc ca mi t, bit vn tc t i t A bng vn tc t i t B.
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ LUYEN TAP TON-LP 5 Ho va ten :
I . Phn trc nghim: Khoanh ch cai trc cau tra li ung , p n ng.
Bi 1:
a. Ch s 7 trong s 86,702 c gi tr l:
A. 70 B. 7 C. D.
b. Din tch hnh tam gicABC l:
A. 9,5 cm
B. 22cm2C. 11cm
D. 11cm2
c. S thch hp in vo ch chm 820 kg = ....tn l:
A. 8,2 B. 0,82 C. 0,082 D. 0,0082
d. Phn s thp phn thch hp in vo ch chm 0,7% = .....l:
A. B. C. D.
2. a. Vit tip vo ch chm cho thch hp: Mt bc g c ghp bi 4 hnh lp phng bng nhau cnh di 5dm nh hnh bn. Th tch ca bc g l:.......dm3
b. Chu vi ca hnh trn c ng knh 3,5 dm l:........
II . Phn t lun:Bi 1. in du thch hp , =) vo trng:
a) 4,99 ( 5,01 26,01 ( 26,009
b) 43,4 ( 32,399 0,82 ( 0,820
Bi 2. t tnh ri tnh a) 305,71 + 78,56 ; b) 21,19 - 7,2 ; c) 31,3 x 2,7 ; d) 27,9 : 6
.Bi 3. Tm x bit: a) x x = b) 3,75 + x = 3,4 x 1,6
.Cau 1 : at tnh roi tnh :
a) 425, 62 + 15, 25 b) 576, 45 32, 24 c) 625, 24 x 5,4 d) 278,72 : 5,2
Cau 2 : Viet so thap phan thch hp vao cho cham :
8km362m = km 1 phut 30 giay = phut
15kg262g = g 32cm2 5mm2 = cm2Cau 3 : Tnh gia tr bieu thc :
a)35, 16 + 44, 84 : 4 15,6 b) 45,65 x 73 + 22 x 45,65 + 45,65 x 5
Cau 4 : Mot o to i t tnh A luc 6 gi en tnh B luc 10 gi 45 phut . O to i
vi van toc 48 km / gi va ngh doc ng mat 15 phut . Tnh quang ng t
tnh A en tnh B ?
Cau 5 : Hai t xut pht t A v B cng mt lc v i ngc chiu nhau. Qung ng AB di 165km. Sau 1 gi 30 pht chng gp nhau.
a. Tnh vn tc cu mi t, bit vn tc t i t A bng vn tc ca t i t B.
b. im gp nhau cch B bao nhiu kilmt?
LUYEN TAP TON-LP 5 Ho va ten :Cau 1 : ( 2 iem) at tnh roi tnh :
a) 425, 62 + 15, 25 b) 576, 45 32, 24 c) 625, 24 x 5,4 d) 278,72 : 5,2
Cau 2 : ( 2 iem) Viet so thap phan thch hp vao cho cham :
8km362m = km 1 phut 30 giay = phut
15kg262g = g 32cm2 5mm2 = cm2Cau 3 : ( 2 iem) Tnh gia tr bieu thc :
a)35, 16 + 44, 84 : 4 15,6 b) 45,65 x 73 + 22 x 45,65 + 45,65 x 5
Cau 4 : ( 2 iem) Mot o to i t tnh A luc 6 gi en tnh B luc 10 gi 45 phut . O to i
vi van toc 48 km / gi va ngh doc ng mat 15 phut . Tnh quang ng t
tnh A en tnh B ?
Cau 5 : Hnh ch nhat ABCD co M la trung iem cua canh DC va co cac kch
thc nh hnh ve : A 32cm B
a. Hnh ve tren co may hnh tam giac ?
b. Tnh chu vi cua hnh ch nhat ABCD ? 16cm
c. Tnh dien tch hnh tam giac AMD ?
D M C
Bai lam :
LUYEN TAP TON-LP 5 Ho va ten :
PHN A: Trc nghim:
Khoanh trn vo ch ci trc cu tr li ng nht.
Cu 1: 5% ca 1000kg l:
a. 20kg b . 30kg c 50kg d . 100kg
Cu 2 Gi tit kim 1000000 ng vi li sut 0,6% mt thng th mi thng nhn c tin li l:
a. 600 ng b. 6000 ng c. 60000 ng d. 60 ng
Cu 3: C 500 ngi tham ra chi th thao. Biu hnh qut cho bit t s phn trm ca nhng ngi tham gia chi th thao. Hi c bao nhiu ngi tham gia mn cu lng?
a. 200 b. 250 c. 300 d.350
Cu 4: Hnh lp phng c cnh 2dm th din tch ton phn l:
a. 16dm2 b. 8dm2 c. 24dm2 d. 32dm2Cu 5: 2m3 4dm3 = m3 ; s thch hp in vo ch chm l:
a. 2,4 b. 2,04 c. 2,004 d. 2,0004
Cu 6: S no di y c cng gi tr vi 3,07dm2 :
a. 3m27dm2 b. 3dm2 7cm2 c. 3m270dm2 d. 3dm2 70cm2PHN B: VN DNG V T LUN:1 : t tnh ri tnh: a. 87,06 + 49,5 b. 42,6 - 27 c. 4,32 x 2,7 d. 1,802 : 0,34
.
2. Tm x: (1 im)
a. 9,5 x X = 42,4 + 29,8 b . X : 84 = 46,32 - 29,75
.
3. in s thch hp vo ch chm: a. 5m326dm3 = .dm3 b. 2045dm3 = m3 c. 3 ha 75m2 = . ha d. 475dm2 =m2 4. Mt b c c dng HHCN, chiu di 8cm, chiu rng 5 dm, chiu cao 6 dm. Lng nc trong b chim 75% th tch b. Hi trong b c bao nhiu lt nc?
.
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5/ Mt t i t A lc 7gi 30 pht v n B lc 8 gi. Qung ng AB di 23,5 km. Tnh vn tc ca t.
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6/ Xe my khi hnh t A lc 5 gi 45 pht v i n B lc 7 gi vi vn tc 32 km/gi. Tnh qung ng AB.
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7/ Lc 9 gi 40 pht, mt ngi i xe p c vn tc 9 km/gi i t A n B. Bit A cch B 10,8km. Hi ngi y n B lc my gi ?
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LUYEN TAP TON-LP 5 Ho va ten :
Phn 1: Trc nghim: (Hc sinh khoanh trn ch ng trc kt qu ng)
Cu 1: Lp 5A c hc sinh 15 n v 30 hc sinh nam . T s phn trm ca hc sinh n so vi nam l:
a. 200 % b.50 % c. 200 % d. 40 %Cu 2: Biu hnh qut bn cho bit t s phn trm hc
Sinh tham gia cc nhm sinh hot ngoi kha ca lp 5A
Da vo biu hy cho bit c bao nhiu phn trm
lp 5A tham gia hc nhc
a. 15 b. 20 c. 30 d.40Cu 3: Hnh lp phng c cnh 1,5 dm th c th tch l:
a. 2,25 dm3 b. 9 dm3 c. 13.5 dm3 d. 3,375dm3Cu 4: Mt hnh trn c bn knh 2 dm th c chu vi l:
a. 6,28 dm b. 3,14 dm c. 12,56 dm d. 25,12 dm.
Cu 5: Mt hnh hp ch nht c din tch xung quanh 420cm2, chiu cao 7cm. Chu vi y hnh hp ch nht l:
a. 60cm b. 210 cm c. 2940cm d. 6cm
Cu 6: ng ghi , sai ghi S:
a. 826,27 m2 = 82627dm2 b. 4,7 dm3 = 4700 m3
Phn 2: Vn dng v t lun:Bi 1: t tnh ri tnh a. 456,74 + 352,48 b. 196,7 97 c. 67,8 x 1,5 d. 87,5 : 1,75
.
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Bi 2: in s thch hp vo ch chm: 2,8dm3 = .cm3 eq \s\don1(\f(3,4)) m3 = cm369 ,5dm3 =. m3 354689 cm3 = ..m3Bi 3 .Mt b c dng hnh hp ch nht c cc kch thc trong lng b l: 25 cm, 40 cm, 50 cm. Hin nay eq \s\don1(\f(1,4)) th tch ca b c cha nc. Hi cn phi thm vo b bao nhiu lt nc 95% th tch ca b c cha nc?
.
.
Bi 4: Tnh nhanh eq \s\don1(\f(13,50)) + 9% + eq \s\don1(\f(41,100)) + 0,24
.
.
5/ Mt t ch khch i t A vi vn tc 32,5 km/gi, bt u i lc 6 gi 30 pht v n B lc 14 gi 45 pht. Bit dc ng c ngh 15 pht. Tnh on ng xe t i?
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6/ Lc 8 gi xe ti c vn tc 42 km/gi bt u i t TP.HCM n G Cng. n 9 gi 24 pht th xe b hng. Hi ch hng cch G Cng bao xa, bit TP.HCM cch G Cng 62 km?
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.LUYEN TAP TON-LP 5 Ho va ten :
Phn 1: Trc nghim: (Hc sinh khoanh trn ch ng trc kt qu ng)
Cu 1: 35% ca 80 l:
a. 26 b. 27 c. 28 d. 28
Cu 2: Mt hnh trn c ng knh l 6cm th din tch l:
a. 18,84cm2 b. 28,26cm2 c. 113,04cm2 d. 9,42cm2
Cu 3: Biu bn cho bit t l xp loi hc lc
ca 200 hc sinh khi Nm mt trng tiu hc.
Da vo biu , em bit s hc sinh xp loi kh l:
a. 70 c. 50
b. 80 d. 60
Cu 4: Mt hnh trn c bn knh l 8cm. Chu vi hnh trn l:
a. 50,24cm b. 25,12cm c. 12,56cm d. 200,96cm
Cu 5: Mt hnh hp ch nht c chiu di 2m, chiu rng 1,5m, chiu cao 1,2m. Vy th tch l:
a. 1,6m3 b. 2,6m3 c. 2,7m3 d. 3,6m3
Cu 6: ng ghi , sai ghi S:
a. 4m3 59dm3 = 4,59dm3 b. 1689dm3 = 1,689m3
Phn 2: Vn dng v t lun:
Bi 1: t tnh ri tnh a. 213,25 + 23,568 b. 562,1 - 65 c. 21,63 x 2,05 d. 26,64 : 37
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Bi 2: in s thch hp vo ch chm: 2,5dm3 = .cm3 eq \s\don1(\f(9,10)) m3 = cm378,5dm3 =. m3 456789cm3 = ..m3Bi 3: Vi nc th nht mi gi chy c th tch ca b, vi nc th hai mi gi chy c th tch ca b. Hi khi c hai vi nc cng chy vo b trong mt gi th c bao nhiu phn trm th tch ca b?.
Bi 4: Mt b nc hnh hp ch nht c kch thc trong lng b l: di 4m, rng 3m, cao 1,8m v 75% th tch ca b ang c nc. Hi:
a) Trong b cha bao nhiu lt nc (bit 1dm3 = 1lt)?
b) Mc nc trong b cao bao nhiu mt?
.
.Bi 5: Mt hnh hp ch nht c chiu di 8 cm, chiu rng 7 cm v chiu cao 9cm. Mt hnh lp phng c cnh bng trung bnh cng ca ba kch thc ca hnh hp ch nht trn. Tnh:
a. Th tch hnh hp ch nht
b. Th tch hnh lp phng..
Bi 6: Mt ngi i b t A vi vn tc 4,5 km/gi v n B lc 12 gi. Bit qung ng AB di 14,4 km. Hi ngi i t A lc my gi, bit dc ng c dng li mt 40 pht ?
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.LUYEN TAP TON-LP 5 Ho va ten :
Phn 1: Trc nghim: (Hc sinh khoanh trn ch ng trc kt qu ng)
Cu 1: 25% ca mt s l 100. Vy s l::
a. 40 b. 400 c. 25 d. 250
Cu 2: Mt hnh lp phng c th tch 27 m3 . Cnh ca hnh l:
a. 3 m b. 4 m c. 5 m d. 9 m
Cu 3: Biu bn cho bit t l xp loi hc lc
ca 36 hc sinh ca lp 5A.
Da vo biu , em bit s hc sinh xp loi gii l:
a. 9 c. 5
b. 8 d. 6
Cu 4: Bnh xe ca mt xe my c bn knh 25 cm. Chu vi bnh xe l:
a. 15700cm b. 1570cm c. 157cm d. 78,5cm
Cu 5: Din tch ton phn ca hnh hp ch nht c chiu di 4cm, chiu rng 3cm, chiu cao 6cm l:
a. 108m2 b. 108 cm c. 54cm2 d. 96 cm2 Cu 6: ng ghi , sai ghi S:
a/ 20 m 3 < 19000 dm3 b/ 2,5 dm 3 > 2400 cm3 Phn 2: Vn dng v t lun:
Bi 1: t tnh ri tnh a. 256,25 +45,658 b. 782,4 41,45 c. 19,63 x 5,25 d. 8,216 : 5,2
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Bi 2 : in s thch hp vo ch chm: 25dm3 = .cm3 m3 = dm38,5dm3 =. m3 4789cm3 = ...d m3Bi 3: Mt b bi hnh hp ch nht c chiu di 22,5m, chiu rng 19,2m. Nu cha 388,8m3 nc th mc nc ln ti chiu cao ca b. Hi chiu cao ca b bng bao nhiu m?
.
Bi 4: Mt b c dng hnh hp ch nht lm bng knh ( khng c np) c chiu di 80 cm, chiu rng 50 cm, chiu cao 45 cm. mc nc ban u cao 35 cm
a/ Tnh din tch dng lm b c
b/ Ngi ta cho vo b mt hn c th tch 10 dm3 . Hi mc nc trong b lc ny cao bao nhiu ?
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.Bi 5: Mt t v mt xe my khi hnh cng lc 12gi 30pht v i ngc chiu nhau trn qung ng AB. t i vi vn tc 51 km/gi; xe my i vi vn tc bng vn tc t. Hai xe gp nhau lc 15gi 15pht cng ngy. Tnh qung ng AB?
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.LUYEN TAP TON-LP 5 Ho va ten :
PHN A: Trc nghim
Khoanh trn vo ch ci trc cu tr li ng nht.
Cu 1: 10 % ca 99 dm l:
a. 10 dm
b. 0,99 dm
c. 99 dm
d. 9,9 dm
Cu 2: Lp 5A c 14 hc sinh n, chim 40 % s hc sinh c lp. Cch tnh s hc sinh c lp l:
a. 14 : 100 x 40b. 40 : 14 x 100c. 40 x 14 : 100d. 14 : 40 x 100
Cu 3: in s thch hp vo ch chm: 7500 cm3 = ..dm3
a. 7,5
b. 0,75
c. 75
d. 0,075
Cu 4: Hnh trn c bn knh 5 cm th din tch l:
a. 7,85 cm2
b. 78,5 cm2
c. 78,5 cm
d. 785 cm2Cu 5: Hnh lp phng c cnh 8 cm th th tch l:
a. 512 cm3
b. 64 cm3
c. 512 cm2
d. 384 cm3Cu 6: Biu bn cho bit t l xp loi hc lc ca hc sinh.
Da vo biu , em bit s hc sinh xp loi kh l:
a. 25 hc sinh
b. 30 hc sinh
c. 60 hc sinh
d. 120 hc sinh
PHN B: T lun
Bi 1: t tnh ri tnh
a. 36,48 + 9,2
b. 98 73,96 c. 19,62 x 1,3
d. 3,91 : 1,7.
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Bi 2: Vit s thch hp vo ch chm:
a. m3 = cm3
b. 897 dm3 = ..m3
c. 7,93 dm3 = cm3
d. 32 m3 67 dm3 =..m3Bi 3: Mt thng ng du ho khng c np dng hnh hp ch nht c chiu di 6,7 m, chiu rng 2 m, chiu cao 4 dm.
a. Tnh din tch mt y ca thng.
b. chng r st ngi ta qut sn tt c cc mt ngoi ca thng. Nh vy din tch qut sn l bao nhiu m2 ?.
.
Bi 4: Tnh bng cch nhanh nht:
2,5 x 12,5 x 8 x 0,4 25 x 1,25 x 8 x 0,4.
Bi 5: Hai ngi cch nhau 37,8 km i li gp nhau v cng khi hnh lc 8 gi. Ngi th nht i b vi vn tc 5,6 km/gi, ngi th hai i xe p vi vn tc 16 km/gi. Hi :
a) Hai ngi gp nhau lc my gi ?
b) Mi ngi i c my kilmt?
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Bi 6: Lc 7 gi, mt t v mt xe my khi hnh cng lc v i ngc chiu nhau. t i t A vi vn tc 48,5 km/gi; xe my i t B vi vn tc 33,5 km/gi. Sau 1 gi 30 pht t v xe my gp nhau. Hi:
a) Hai xe gp nhau lc my gi?
b) Qung ng AB di bao nhiu kilmt?
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LUYEN TAP TON-LP 5 Ho va ten :
Phan I:trac nghiem
Khoanh vao ch cai at trc cau tra li ung.
1. Chu vi cua hnh tron co ban knh r = 3 cm:
A. 9,42 cmB. 18,84 cmC. 28,26 cmD. 38,26 cm
2. Dien tch hnh tam giac co o dai ay 3,6 dm; chieu cao 2,4 dm:
A. 4,32 dm2B. 8,64 dm2C. 5,32 dm2D. 7,64 dm2
3. Dien tch toan phan cua hnh lap phng co canh m:
A. m2B. m2
C. m2
D. m24. Chon ket qua ung e ghi vao cho cham:
dm3 = . . . . . . . . . . . . cm3A. 500
B. 600
C. 700
D. 800
5. phan so c viet di dang ty so phan tram la:
A. 1.2% B .12% C. 50% D.0,5%
6. 25% cua 520 la
A. 260 B. 130 C.260% D. 130%Phan II:
Bai 1: (2 iem)Tnh:a)
b)
c)
d)
Bai 2:
Viet so thch hp vao cho cham:
a) 6 ngay
= . . . . . . . . . . . . . gi
b) the k
= . . . . . . . . . . . . . nam
c) 2 gi 15 phut = . . . . . . . . . . . . . phut
d) 216 phut
= . . . . . . . . . . . . . gi . . . . . . . . . . . . . phut
Bai 3:
Mot hnh hop ch nhat co chieu dai 14 dm, chieu rong 8 dm, chieu cao 5 dm.
a) Tnh dien tch xung quanh cua hnh hop ch nhat.
b) Tnh the tch cua hnh hop ch nhat o.
Bai giai:
.
.
Bai 4:
Mot tha ruong hnh thang co ay ln 36 m, ay be bang 2/4ay ln, chieu cao trung bnh cong cua hai ay. Ngi ta cay lua tren tha ruong o, c 100 m2 thu c 40 kg thoc. Hoi tha ruong o thu c bao nhieu ki-lo-gam thoc?
Bai giai:
.
.
LUYEN TAP TON-LP 5 Ho va ten :
Phn I: Bi tp trc nghim:
Cu 1: Khoanh vo ch t trc cu tr li ng:
a) Ch 5 trong s thp phn 72.056 c gi tr l:
A. 5 B. eq \s\don1(\f(5,10)) C. eq \s\don1(\f(5,100)) D. eq \s\don1(\f(5,1000))
b) ng knh ca bnh xe p l:
A. 20,410m B. 1,0250m C. 2,2165 D. 2,041m
Cu 2: Vit s thch hp vo ch chm:
a. 1dm3=.cm3 c. 135 giy =.pht b. eq \s\don1(\f(3,4)) gi=.pht d. eq \s\don1(\f(1,4)) m3=..cm3Cu 3: Khoanh vo ch t trc cu tr li ng:
Din tch phn t mu ca hnh vung ABCD l:
12cmA.106,32cm2 B. 257,04cm2
C. 30,96cm3 D.10,32cm2
Cu 4:Mt hnh tam gic vung c din tch l 18dm2.Bit mt cnh gc vung c di l 6dm .Cnh gc vung cn li c di l:
A.6 B. 6dm C. 3dm D. 9dm
Phn II: Trnh by bi gii cc bi ton sau:
Cu 2:Tnh.
a.15% ca 75 b.12,5% ca 8
.
Cu 1: Mt b nc dng HHCN c chiu di 2m, chiu rng 1,5m v chiu cao 1m. Hin b khng c nc. Ngi ta m vi nc cho chy vo b, mi gi c 500dm3. Hi sau my gi th b y?.
.
.
Cu 3: Mt mnh vn hnh thang c chiu cao 15m, di hai y ln lt l 24m v 18m.Trong 72% din tch mnh t c s dng trng lc. Tnh din tch phn t cn li?
Bi gii
.
.
Cu 4: Mt ngi i xe my t tnh A n tnh B vi vn tc 40km/gi ,ngi khi hnh lc 7 gi,i n tnh B ngh li 1 g 30 pht sau quay v n tnh A luc 11 gi 30 pht .Hi qung ng t tnh A n tnh B di bao nhiu km?.
.
Cu 5: Mt ngi chy t im A n im B v t im B quay v t im A ht 3 pht 50 giy , bit khong cch gia hai im A vB l 575 mt .Tnh vn tc ca ngi bng mt/giy?
.
.
LUYEN TAP TON-LP 5 Ho va ten :
Cu 1 Cnh ca mt hnh lp phng l 2 cm. Din tch ton phn ca hnh lp phng l? A. 24 cm2 B. 16 cm 2 C. 20 cm2 D. 4cm2Cu 2. ng knh ca bnh xe p l 0,65m. Chu vi ca bnh xe l :
A. 20,410 m B. 1,0250 m C. 2,2165 D. 2,041 mCu 3. S thch hp in vo ch chm :
i : m3 = ................... dm3 A. 250 dm3 B. 180 dm3 C. 125 dm3 D. 50 dm3 Cu 4.: Din tch phn t mu ca hnh vung ABCD l :
A. 106,32cm2 B. 257,04cm2
C. 30,96cm2 D. 10,32cm2 Cu 5. Cho mt hnh tam gic vung bit cnh gc vung c di l 4 cm, cnh y di 3 cm. Din tch ca hnh tam gic vung l:
A. 6 cm B. 6 cm2 C. 12cm2 D. 9cm2
Cau 6: T s phn trm ca 9 v 20 l:
A. 45 %
B. 29%
C. 20,9%
D. 9,2%
Cau 7. Mt hnh c to bi 6 hnh lp
phng (nh hnh v), mi hnh lp phng
u c cnh bng 3 cm. Th tch ca hnh l:
A. 18 cm3
B. 54 cm3C. 162 cm3
D. 243 cm3Cau 8. Bit 80% ca mt s l 400, vy ca s l:
A. 19
B. 95
C. 100
D. 500
Cau 9. Cho s thp phn 54,172. Ch s 7 c gi tr l:
A. 7
B.
C.
D.
Cau 10: Kt qu iu tra v thch i vi mt s
mn th thao ca 100 hc sinh lp 5 c
Chy (12%)
th hin trn biu hnh qut bn. Trong 100
cu (13%) hc sinh , s hc sinh thch bi l:
Bi (15%)
A. 12 hc sinh
B. 13 hc sinh
bng (60%)
C. 15 hc sinh
D. 60 hc sinh
Cau 11. Cho hnh v. Bit: ABCD l hnh thang
BC = 30 m ;AD = 50 m ; BM = 22 m ; EN = 27 m
N
1. Tnh din tch hnh thang ABCD.
M
2. Tnh din tch tam gic ADE.
3. Tnh din tch hnh ABCDE.
.
.
.
Cau 12. Mt ci b hnh hp ch nht c chiu di 15 cm, chiu rng 10 cm. Lc u mc nc trong b cao 5 cm. Ngi ta b vo b nc mt hn th lc ny mc nc trong b cao 7 cm. Tnh th tch hn .
Bi lm
.
.
LUYEN TAP TON-LP 5 Ho va ten :
Cau 1 : Tnh a) 12 gi 18 phut + 8 gi 12 phut
3 phut 34 giay + 6 phut 30 giay ..
.
.
.
b) 15 ngay 6 gi 8 ngay 15 gi
4 nam 10 thang 2 nam 9 thang ..
.
.
.
..
.
.
.
Cau 2 : Viet so thch hp vao cho cham 3,4 ngay = . .. gi
2,5 phut = . giay
gi = phut 4 gi 15 phut = .. phut
Cau 3 : Tnh co at tnh (2)
a) 266,22 : 34 = ..
b) 4,76 x 4,8 = .
..
.
.
.
Cau 4 : Tnh dien tch hnh thang ABCD va hnh tam giac ADE nh hnh ve di ay, biet :
B C
BC = 30 m
AD = 55 m N
BM = 22 m A M D
EN = 27 m
E
Bai giai
Cau 5 : Mot be knh nuoi ca dang hnh hop ch nhat co chieu dai 10dm, chieu rong 5dm, chieu cao 6dm. Tnh :
a) Dien tch knh dung lam be ca o (be khong co nap) b) The tch be ca o (1)
Bai giaiCau 6: Mt ngi i t A lc 7 gi 45 pht n B lc 9 gi 20 pht . Gia ng ngi ngh 20 pht . Hi ngi i qung ng AB ht bao nhiu thi gian ( khng k thi gian ngh ) LUYEN TAP TON-LP 5 Ho va ten :
Cau 1: a) Viet so gom co :
* Ba phay bay mi lam gi :. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
* Hai mi lam phan tram phut :. . . . . . . . . . . . . . . . . .
b) Viet cach oc cac so thap phan sau :
* 10,923 m3:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
* dm3:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cau 2 : ien dau < : > ; = vao cho cham :
a) 7 nam 6 thang . . . . . 76 thang . d) 26,5 m3. . . . . 2650 m3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
b) m3. . . . . 800 m3
c) phut . . . . . . phutCau3 : at tnh roi thc hien phep tnh :
a) 8 phut 23 giay + 8 phut 52 giay c) 2 gi 18 phut 6
b) 7 nam 9 thang 4 nam 5 thang d) 17 phut 55 giay : 5
Cau 4 : Viet so thch hp vao cho cham:
a) 4,25 gi = . . . . . . . phut
b) 320 giay = . . . . . .phut . . . . . giay.
c) 27, 35 m3 = . . . . . . . dm3=. . . . . . . . . .dm3
100Cau 5 : Dien tch hnh thang MNPQ ln hn dien tch cua hnh tam giac NPC bao nhieu e- xi- met vuong .
M3,2 dm N
2,4dm
Q
5dm
P 2,2dm C
Bai giai
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Cau 6 : Hay khoanh vao ch at trc cau tra li ung.
a) Mot hnh lap phng co dien tch xung quanh la 400 cm2 . Canh hnh lap phng o la:
A- 17 cm B- 15cm C-12 cm D- 10 cm
b) 2% cua 3000 m = . . . . . . m
A- 40 B- 50 C- 60 D- 70
c) So hnh thang co hnh ben la:
A- 7 B- 6 C- 5 D- 4
Cau 7 : Tnh dien tch phan co t mu trong hnh ben .
Bai giai
10 cm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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LUYEN TAP TON-LP 5 Ho va ten :
I/ Trac nghiem:
1/ Mot lp co 18 n va 12 nam. T so phan tram cua hoc sinh n so vi hoc sinh ca lp?
a. 20%b.30%c.40%d.60%
2/ Biet 40% cua mot so la 12. hoi so o la ?
a. 15b.20c.30d.40
3/ Lp 5A co 50% HS kha, 20% HS trung bnh, 5% yeu. Vay so HS gioi la:
a. 25%b.30%c. 35% d.40%
4/ Mot hnh tam giac co 15dm, cao la 12dm. Dien tch nao ung :
A .900dm2B.9000 cm2C.90000 mm2D.9m25/ Mieng gieng nc la mot hnh tron co ban knh 4 m.Dien tch cua mieng gieng o la :
a.48,35m2b. 50,49m2c. 50,24m2d. 48.26m2II/ Phan t luan:
1/Mot cai thung co dang hnh hop ch nhat co chieu 30dm, chieu rong 14dm chieu cao 15dm. ngi ta sn mat ngoai cua thung. Hoi dien tch quet sn la bao nhieu met vuong.
2/mot be knh nuoi cac co dang hnh lap phng co canh 1.7 dn, tnh:
a) Dien tch knh e lam be ca?(be khong nap)
b) Tnh the tch be ca o?
Bai lam:LUYEN TAP TON-LP 5 Ho va ten :
Bi 1: (2 im)Khoanh trn vo ch t trc kt qu ng.a) 25,5 3,5 =
A: 75,5 ; B: 89,25 ; C: 80,5 ; D: 83,15.
b) 35 : 10 =
A: 3,25 ; B: 3,8 ; C: 3,5 ;D: 3,75.
Bi 2: (2 im).in s thch hp vo ch trng:
a) 2,25m2 = dm2.b) 2956dm3 = m3.c) 2210kg = t.d) gi = pht.
Bai 3: ien dau > ; < ; =
48,9748,89
0,7500,87,843.7,85
64,97065,98132 132,00
76,08976,236,324.36,38
4,0054,05
Bai 4: Tm xx + 65,27 = 72,6x 43,502 = 21,73x x 6,3 = 1871602 : x = 7,2
Bi 5: (2 im). Mt tha rung hnh thang c y ln 40m y b bng y ln, chiu cao 15,5m.a) Tnh din tch hnh thang.b) Ngi ta trng u phng c trung bnh 100m2 thu c 20kg u phng. Hi c tha rung thu hoch c bao nhiu tn u phng.Bi gii
Bi 6: (3 im) Mt ci b dng hnh hp ch nht c chiu di 2,5m; chiu rng bng chiu di, chiu cao 1,5m.a) Tnh th tch b nc.b) Hin trong b cha 25% nc. Hi b cha bao nhiu lt nc? (1l = 1dm3).Bi gii
Bai 7: O to va xe may khi hanh cung mot luc va i ngc chieu nhau. O to i t A vi van toc 44,5km/ gi, xe my i t B vi van toc 32,5 km/gi. Sau 1 gi 30 phut o to va xe may gap nhau tai C. Hoi quang ng AB dai bao nhieu ki-lo-met?
Bai 8 : Tnh bang cach thuan tien nhat
a) 4,5 x 5,5 + 4,7 x 4,5c)73,5 x 35,64 + 73,5 x 64,36e)6,48 x 11,25 6,48 x 1,25
7,5 x 2,5 x 0,04 d)3,12 x 8 x 1,25 f)3,67 x 58,35 + 58,35 x 6,33
Bai 9 : Mot ca hang nh gia chiec cap la 65 000 ong. Nhan dp khai giang nam hoc mi, ca hang ha gia 12%. Hoi sau khi giam gia 12% th gia cua chiec cap la bao nhieu tien?LUYEN TAP TON-LP 5 Ho va ten :
Bai 1 : at tnh roi tnh a) 5327,46 + 549,37
b) 537,12 x 49
c) 485,41 - 69,27
d) 36,04 : 5,3
Bai 2: ien dau >; ; < ; =
48,9748,89
0,7500,87,843.7,85
64,97065,98132 132,00
76,08976,236,324.36,38
4,0054,05
Bai 2: Viet so thch hp vao cho trong :9m6dm = m
72ha=...km8kg375g=kg
7,47 m = dm5tan463kg=..tan
9876 cm = m68,543m = mm
45km3dam= .km
Bai 3: Tm xx + 65,27 = 72,6x 43,502 = 21,73x x 6,3 = 1871602 : x = 7,2
Bai 4: at tnh roi tnh
288,34 + 521,852350,65 98,964
265,87 x 63
45,54 : 18
8,568 : 3,6
15,096 + 810732,007 - 26537,65 x 7,9216,72 : 4,274,76 : 2,1
Bai 5 : Tnh bang cach thuan tien nhat
b) 4,5 x 5,5 + 4,7 x 4,5c)73,5 x 35,64 + 73,5 x 64,36
e)6,48 x 11,25 6,48 x 1,25
7,5 x 2,5 x 0,04 d)3,12 x 8 x 1,25 f)3,67 x 58,35 + 58,35 x 6,33Bai 6: Giai cac bai toan sau :
d) Mot o to ch khach trung bnh mot gi i c 35,6km. Hoi trong 10 gi o to i bao nhieu ki-lo-met ?
e) Mot o to chay trong 3,5 gi c 154km. Hoi o to o chay trong 6 gi c bao nhieu ki-lo-met?
f) Biet rang 3,5l dau hoa nang 2,66kg . Hoi 5l dau hoa nang bao nhieu ki -lo -gam ?Bai 7: Mot o to i t tnh A luc 6 gi va en B luc 10 gi 45 phut. O to i vi van toc 48 km/gi va ngh doc ng mat 15 phut . Tnh o dai quang ng t tnh A en tnh B.Bai 8 : Tnh A va tnh B cach nhau 180km. Cung mot luc co hai o to xuat phat t hai tnh va i ngc chieu nhau, sau 2 gi chung gap nhau.
c) Hoi mot gi ca hai o to i c bao nhieu ki-lo-met ?
d) Tnh van toc cua moi o to, biet van toc o to i t A bang van toc o to i t B .Bai 9 : Mot o to i vi van toc 51km/ gi. Hoi o to o i vi van toc bao nhieu met / phut ?Bai 10: Mot o to i t tnh A luc 6 gi va en B luc 10 gi 45 phut. O to i vi van toc 48 km/gi va ngh doc ng mat 15 phut . Tnh o dai quang ng t tnh A en tnh B.Bai 11: O to va xe may khi hanh cung mot luc va i ngc chieu nhau. O to i t A vi van toc 44,5km/ gi, xe my i t B vi van toc 32,5 km/gi. Sau 1 gi 30 phut o to va xe may gap nhau tai C. Hoi quang ng AB dai bao nhieu ki-lo-met?
Bai 12: Mot phong hoc dang hnh hop ch nhat co chieu dai 8m,
chieu rong 6m, chieu cao 3,5m.Ngi ta muon sn tran nha va bon bc tng pha trong phong hoc.
c) Tnh dien tch can sn biet dien tch cac ca la 15m.
d) Moi met vuong sn vi gia 25 000 ong. Hoi sn phong hoc o het tat ca bao nhieu tien ?Bai 13 : Mot ca hang nh gia chiec cap la 65 000 ong. Nhan dp khai giang nam hoc mi, ca hang ha gia 12%. Hoi sau khi giam gia 12% th gia cua chiec cap la bao nhieu tien?IEM
IEM
IEM
IEM
4cm
Hnh A
IEM
IEM
IEM
IEM
IEM
IEM
IEM
A
4 cm
B
C
5,5 cm
5 dm
Bi li bng
50%
Cu lng
Hc v nhc
37%
Th thao
43%
Gii Kh
25% 35%
Trung bnh
40%
Gii Kh
35%
Trung bnh
40%
IEM
IEM
IEM
IEM
IEM
IEM
Giikh
25% 30%
Trung bnh
45%
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. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
22 gi 15 phut
8 gi 36 phut
. . . . . . . . . . . . . . . . . .
-
5 gi 18 phut
3 gi 26 phut
. . . . . . . . . . . . . . . . . .
+
30 gi 45 phut 5
. . . . . . . . . . . . . . . . . .
2 ngay 18 gi
3
. . . . . . . . . . . . . . . . . .
O
A
B
D
C
O
12cm
EMBED Excel.Sheet.8
C
B
D
A
E
10cm
IEM
IEM
IEM
IEM
IEM
IEM
IEM
IEM
2 gi 18 phut
2 gi43 phut + 3 gi 24 phut
6,7 gi
3 gi 32 phut - 1 gi 14 phut
6 gi 7 phut
2,7 gi x 4
10,8 gi
33,5 gi : 5
M
A
B
15 cm
C
36 cm
C
D
IEM
IEM
O
C
D
B
A
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