Đề thi học sinh giỏi lớp 3 trường tiểu học phước long 1 môn toán

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Trường tiểu học Phước Long 1 Thứ............ngày.......thán g.......năm..2012........ Lớp :..................... ................ Họ và tên:……………………………… ĐỀ THI HỌC SINH GIỎI LỚP 3 Thời gian: 60 phút Điểm: Chữ ký giám thị: ………………Chữ ký giám khảo: ……………… ĐỀ A I Khoanh vào chữ cái đặt trước câu trả lời đúng: 1) Giá trị của biểu thức 24 – 8 : 4 A. 4 B. 22 C. 16 D. 14 2) Giá trị X của biểu thức: 8 x X = 1640 X có giá trị là: A. 25 B. 205 C. 250 D. 264 3) Điền vào chỗ chấm: a) 8 m 3cm = ….. cm là: A.53 cm B. 503 cm C. 530 cm D. 5003 cm b) Số lớn nhất trong các số: 43 967; 44 697; 34 999; 43 976 là: A. 34 999 B. 43 967 C. 43 976 D. 44 697

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Trng tiu hc Phc Long 1

Trng tiu hc Phc Long 1Th............ngy.......thng.......nm..2012........

Lp :.....................................

H v tn: THI HC SINH GII LP 3Thi gian: 60 pht

im:Ch k gim th: Ch k gim kho:

A

I Khoanh vo ch ci t trc cu tr li ng:

1) Gi tr ca biu thc24 8 : 4 l

A. 4 B. 22 C. 16 D. 142) Gi tr X ca biu thc:8 x X = 1640 X c gi tr l:

A. 25 B. 205 C. 250 D. 264 3) in vo ch chm:a) 8 m 3cm = .. cm l:A.53 cm B. 503 cm C. 530 cm D. 5003 cm b) S ln nht trong cc s:43 967; 44 697; 34 999; 43 976 l:A. 34 999 B. 43 967 C. 43 976 D. 44 6974) Chu vi hnh ch nht c chiu di 4 dm, chiu rng 6 cm l:A. 46 cm B.128 cm C. 92 cm D. 20 cm

5) Cho dy s 36; 40; 44;........ Hy thm ba s thch hp vo dy trnA. 45; 46; 47 B. 48; 52; 56 C. 46; 48; 50 D. 47; 50; 53

II. T lun:

1) C 4000 lt nc mm ng trong 8 thng. Hi nu c 7 thng nh vy th ng c bao nhiu lt nc mm?

.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 2) Mt si dy di 9582 cm c ct thnh hai on. on th nht di bng chiu di si dy. Tnh chiu di mi on dy.

..3) Anh Quang ln u mua 1 tri xoi v 2 tri cam ht 8000 ng, ln sau mua 2 tri xoi v 3 tri cam ht 13500 ng. Tnh gi tin mt tri xoi v mt tri cam.

..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

Trng tiu hc Phc Long 1Th............ngy.......thng.......nm.2012.........

Lp :.....................................

H v tn: THI HC SINH GII LP 3Thi gian: 60 pht

im:Ch k gim th: Ch k gim kho:

B I .Khoanh vo ch ci t trc cu tr li ng:

1)Gi tr ca biu thc

45 9 : 3 l

A. 15 B. 40 C. 42 D. 12

2)Gi tr X ca biu thc:

9 x X = 1854 X c gi tr l:

A. 26 B. 206 C. 260 D. 62 3) in vo ch chm:a) 8 m 5cm = .. cm l:A.85cm B. 805 cm C. 850 cm D. 8005 cm

b) S ln nht trong cc s:34 967; 44 697; 44 976; 43 976 l:

A. 44 976 B. 34 967 C. 43 976 D. 44 6974) Chu vi hnh ch nht c chiu di 5 dm, chiu rng 6 cm l:

A. 112 cm B.130 cm C.22 cm D. 56 cm

5) Cho dy s 35; 39; 43;........ Hy thm ba s thch hp vo dy trnA. 44; 45; 46 B. 47; 51; 55 C. 45; 47; 49 D. 46; 49; 52

II. T lun:

1) ) Bn Lan mua 5 quyn v ht 17500 ng. Hi nu bn Lan mua 3 quyn v th ht bao nhiu tin ?

................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

2) Mt si dy di 9550 cm c ct thnh hai on. on th nht di bng

chiu di si dy. Tnh chiu di mi on dy...3) Anh Quang ln u mua 1 tri xoi v 2 tri cam ht 8000 ng, ln sau mua 2 tri xoi v 3 tri cam ht 13500 ng. Tnh gi tin mt tri xoi v mt tri cam.

...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

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