小学二年级数学竞赛试题一、囗算：（ 70 分） 


34+29=                   66+49=                 4500+30=                 18 ÷ 9 × 4=            50 － 37+48= 

54 － 35=            92 － 48=            1200 － 55=            48 ÷ 8 ÷ 2=         （ 50 － 20 ）÷ 5= 

9+58=                   130+80=               500 － 120=             600+5000=               32 ÷ 8+127= 

39+48=                  81 － 9=              840+800=                  15+5 × 3=           （ 71 － 15 ）÷ 7= 

54 － 6=              44 － 19=            54+6 － 12=            1100 － 400=         6 × 8+19=       

91 － 19=             26+62=                 32 ÷ 4 × 9=            5000 － 300=          8+12 ÷ 4= 

48+18=                  26 － 18=            470+160=                  8+1 × 3=                 51+48 － 53= 

53 － 27=            58+26=                   24+8 － 6=              900+3000=               6 × 8 － 19= 

60 － 37=           159 － 146=         909+1001=                 3 × 3 × 4=            72 ÷ 9+2= 

9+101=                 35 ÷ 8=                 11+1011=                   263+837=                7 × 6+40= 

27+54=                547 － 127=         3065 － 565=            46+4 × 6=             15 － 8 － 3= 

64+25=                 56+35=                  19+26+81=                 777 － 596=           27 ÷ 9+16= 

32 － 7=              47+63=                 7+7+7+7=                      8+7+35=                 10 － 5 ÷ 5= 

22+87=                 37+73=                  26 － 7+17=               26+62 － 6=          123+456= 

25 × 4=               85 － 44=             1 ÷ 1+100=                 72 ÷ 8 ÷ 9=           81 ÷ 9 × 6= 

26+74=                540 － 70=           60+740=                       3 × 3 × 3=            12+16 ÷ 4= 

39+39=                250+200=               (8+2) × 3=                  17+15+3=                20 ÷ 2+30=       

41 － 3=            700+400=                3 × 4 × 2=                 9+27 － 8=            31+40 － 45=         

29+64=                870 － 300=          55 ÷ 8=                     99－66 －30=          7+7+14= 

55 ÷ 5=               63 － 36+2=         99 ÷ 33=                    6 × 8+68=              500 × 2 × 2+2= 

二、填空：（ 10 分） 

  24+(   )=39        (     ) ÷ 5=5         88 － (     )=29          23+44=(     )+11             7 × 8=20+(    ) 

  (    )－25=8        36 ÷ (    )=9         (    )+43=81                16 － (    )=6+7           (    ) － 7=23+8 

三、按规律填数：（ 10 分） 

① 1 、 4 、 7 、（        ）、 13 。            ② 7 、 15 、 23 、 31 、（    ）。 

③ 97 、 91 、 85 、（      ）、 73 。        ④ 1 、 2 、 4 、 7 、 11 、（    ）。 

⑤ 1 、 1 、 2 、 6 、 24 、（        ）。 

四、算一算、填一填：（ 10 分） 

① 最大的三位数比最小的二位数多（            ）。    

② 河里游着 7 条鱼，用枪打死 3 条，这时河里还有（        ）条鱼。 

③ （      ）比 46 大 15 ，这个数比 100 少（          ）。      

④ 一根绳子 20 厘米长，对折后沿中间剪开。长的一段比短的一段长（        ）厘米。 

⑤  许老师和两个小学生过河（三人都会划船），许老师体重 70 千克，每位小学生体重 35 千克。河边只有一条小船，小船每次最多载 70 千克，过河一程需 20 分钟，他们要（      ）分钟才能全部过河