Bài kiểm tra định kì giữa học kì II môn: Toán lớp 5

Tr­êng tiÓu häc nam hång
Líp: 5
Hä vµ tªn... .
Bµi kiÓm tra ®Þnh k× gi÷a häc k× ii
M«n: to¸n - líp 5
N¨m häc 2010- 2011
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§iÓm
NhËn xÐt
I. PhÇn tr¾c nghiÖm: (3 ®iÓm)
H·y khoanh vµo ch÷ c¸i ®Æt tr­íc c©u tr¶ lêi ®óng:
C©u 1: 3m315dm3 =..dm3 . Sè cÇn ®iÒn vµo chç chÊm lµ:
 A. 315 B. 3150	C. 3015	D. 3,15
C©u 2: Trong c¸c sè 108, 132, 450, 365. Sè chia hÕt cho c¶ 2, 3 vµ 5 lµ:
 A. 108 	 B. 132	 C. 450	 D. 365
C©u 3: Mét líp häc cã 18 n÷ vµ 12 nam. T×m tØ sè phÇn tr¨m cña sè häc sinh n÷ vµ sè häc sinh cña c¶ líp ?
A. 18%	B. 30%	C. 40%	D. 60%
C©u 4: 15 % cña 320 kg lµ:
A. 32 kg	B. 48 kg	C. 30 kg	D. 3,2 kg
C©u 5: Cho h×nh tam gi¸c cã ®é dµi ®¸y 12cm, chiÒu cao 7,5cm. DiÖn tÝch h×nh tam gi¸c ®ã lµ: 
 A. 45 cm B. 45cm2 C. 4,5 cm2
C©u 6: H×nh thang cã ®é dµi hai ®¸y lµ 6cm vµ 4 cm, chiÒu cao 5cm. DiÖn tÝch h×nh thang ®ã lµ: 
 A. 50 cm2 B. 50cm C. 5,0 cm2 D. 25 cm2
II. PhÇn tù luËn: (7 ®iÓm)
C©u 1: (2 ®iÓm) §Æt tÝnh råi tÝnh:
	21,36 ´ 3,05	2892,96 : 57,4
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 21 ngµy 23 giê - 15 ngµy 17 giê 25 phót 36 gi©y : 6
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C©u 2: (2 ®iÓm) Mét bÓ n­íc d¹ng h×nh hép ch÷ nhËt cã kÝch th­íc trong lßng bÓ lµ: chiÒu dµi: 2,5m, chiÒu réng: 1.8m, chiÒu cao 1,6m. Khi bÓ kh«ng cã n­íc, ng­êi ta më vßi cho n­íc ch¶y vµo bÓ, mçi giê ®­îc 0,8m3. Hái sau mÊy giê th× bÓ sÏ ®Çy n­íc?
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C©u 3: (2 ®iÓm) Ng­êi thî s¬n ®Þnh s¬n mÆt ngoµi mét c¸i thïng kh«ng cã n¾p d¹ng h×nh hép ch÷ nhËt cã chiÒu dµi 1,5 m; chiÒu réng 0,6m; chiÒu cao 8dm. Hái diÖn tÝch cÇn s¬n lµ bao nhiªu mÐt vu«ng?
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C©u 4: (1 ®iÓm): TÝnh b»ng c¸ch thuËn tiÖn nhÊt:
 20,11 x 12,25 + 75 x 20,11 + 20,11 x 12,75 
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