1 DE THI TOAN LOP 5

vµ tªn...............................................          kiÓm tra ®Þnh k× lÇn i

Líp    ..........................................            M«n to¸n Khèi 5- N¨m häc 2008 - 2009

                                                                             (Thêi gian lµm bµi: 40 phót)     §. A

          Bµi 1: (1®iÓm) Khoanh  vao ch÷ c¸i ®Æt tr­íc kÕt qu¶ ®óng mçi c©u viÕt sè

                                thËp ph©n 5,05 thµnh hçn sè cã chøa ph©n sè thËp ph©n sau: 

             a)       5                              b)     5                         c)      5                                   

          Bµi 2: ( ®iÓm)  H·y khoanh vµo ch÷ c¸i ghi ®óng kÕt qu¶ cña phÐp tÝnh sau:               

              + :                     a)                         b)                            c)                                       

          Bµi 3: (1®iÓm) Khoanh vµo tr­íc ch÷ c¸i ghi ®óng sè thËp ph©n thÝch hîp ë chç

              chÊm trong sè sau: 8m 5dm  =  ........m                            

                      a)  8,05m                                b)  8,5dm                               c) 8,5m

           Bµi 4: (1®iÓm) §iÒn dÊu ( <, =, >) vµo c¸c sè sau:

                a) 8,98                  9,06                                         c) 28,600              28,6

               b)75,308        7     5,299                                       d) 62,438              62,44

           Bµi 5: (1®iÓm) Khoanh trßn ch÷ c¸i ®Æt tr­íc c©u viÕt ®óng sè thËp ph©n cña ph©n sè

             thËp ph©n sau:         A)  3,12                      B) 31,2                        C) 0,312

           Bµi 6: (4 ®iÓm) Mét thöa ruéng h×nh ch÷ nhËt cã chiÒu dµi 150m, chiÒu réng b»ng chiÒu dµi. Hái: a)  DiÖn tÝch thöa ruéng ®ã lµ bao nhiªu mÐt vu«ng.

                  b)  Thöa ruéng ®ã thu ho¹ch ®­îc bao nhiªu tÊn thãc. BiÕt r»ng trung b×nh 100 m2

               thu ho¹ch ®­îc 62 kg thãc.                                 Gi¶i

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 Hä vµ tªn...............................................          kiÓm tra ®Þnh k× lÇn i

Líp    ..........................................            M«n to¸n Khèi 5- N¨m häc 2008 - 2009

                                                                             (Thêi gian lµm bµi: 40 phót) -  D. B

          Bµi 1: (1®iÓm) Khoanh  vao ch÷ c¸i ®Æt tr­íc kÕt qu¶ ®óng mçi c©u viÕt sè

                                thËp ph©n 5,05 thµnh hçn sè cã chøa ph©n sè thËp ph©n sau: 

                 a)       5                              b)  5                           c)   5                                       

          Bµi 2: ( ®iÓm)  H·y khoanh vµo ch÷ c¸i ghi ®óng kÕt qu¶ cña phÐp tÝnh sau:               

              + :                     a)                            b)                            c)                    

          Bµi 3: (1®iÓm) Khoanh vµo tr­íc ch÷ c¸i ghi ®óng sè thËp ph©n thÝch hîp ë chç

              chÊm trong sè sau: 8m 5dm  =  ........m                            

                      a)  8,05m                                b) 8,5m                         c) 8,5dm                              

           Bµi 4: (1®iÓm) §iÒn dÊu ( <, =, >) vµo c¸c sè sau:

                a)   9,06                 8,98                                         c) 28,6                28,600

               b)75,308        7     5,299                                       d) 62,44              62,438

           Bµi 5: (1®iÓm) Khoanh trßn ch÷ c¸i ®Æt tr­íc c©u viÕt ®óng sè thËp ph©n cña ph©n sè

             thËp ph©n sau:         A)  31,2                      B) 3,12                        C) 0,312

           Bµi 6: (4 ®iÓm) Mét thöa ruéng h×nh ch÷ nhËt cã chiÒu dµi 120m, chiÒu réng b»ng chiÒu dµi.    Hái:     a)  DiÖn tÝch thöa ruéng ®ã lµ bao nhiªu mÐt vu«ng.

            b)  Thöa ruéng ®ã thu ho¹ch ®­îc bao nhiªu tÊn thãc. BiÕt r»ng trung b×nh 100 m2

               thu ho¹ch ®­îc 62 kg thãc.                                 Gi¶i

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