De thi Toan hoc sinh gioi lop 5 cap Tinh.doc

# De thi Toan hoc sinh gioi lop 5 cap Tinh.doc - S Gio dc v o...

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Së Gi¸o dôc vµ §µo t¹o Kú thi häc sinh giái bËc TiÓu häc Thõa Thiªn HuÕ Kho¸ ngµy 04 th¸ng 5 n¨m 2006 ----- ----- ---------------------------------------- M«n thi : To¸n - líp 5 Sè b¸o danh : ............. Thêi gian : 90 phót (kh«ng kÓ thêi gian giao ®Ò) ________________________________________________________________ C©u 1: ( 2 ®iÓm ) Kh«ng tÝnh tÝch. H·y ®iÒn dÊu thÝch hîp vµo « trèng vµ gi¶i thÝch v× sao? 51 x 23 52 x 22 C©u 2: ( 2,5 ®iÓm ) Hai xe «-t« khëi hµnh cïng mét lóc vµ ngîc chiÒu nhau. Xe ®i tõ A ®Õn B mÊt 3 giê. Xe ®i tõ B ®Õn A mÊt 4 giê. Hái sau khi khëi hµnh th× bao nhiªu l©u hai xe gÆp nhau? C©u 3: ( 2,5 ®iÓm ) Mét chai ®ùng ®Çy níc th× nÆng 1340 gam. NÕu ®ùng mét nöa níc th× nÆng 720 gam. Hái khi chai rçng th× nÆng bao nhiªu? C©u 4: ( 2 ®iÓm ) 1 TÝnh diÖn tÝch cña h×nh bªn. 2c m 2c m 2c m 2c m 1c m 1c m 1c m 1c m
C©u 5: ( 1 ®iÓm ) Em h·y tr×nh bµy c¸ch xÕp 8 que diªm ®Ó cã 3 h×nh vu«ng. -----HÕt----- Së Gi¸o dôc vµ §µo t¹o Kú thi häc sinh giái bËc TiÓu häc Thõa Thiªn HuÕ Kho¸ ngµy 04 th¸ng 5 n¨m 2006 ----- ----- ----------------------------------------

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