     3 
  

  


   #7
          ?         .    40 ,            ,          .    ,               .





 ,  

     3 





 1




1.   1-   ,  2-   ,  3-  .     .

, , , , , .










2. ,    .    .

.., .., .., .., .., .., .. .










3.  .      .   .

 ..  . .  . ..










4.    .

20 : 3 =

47 : 10 =

26 : 5 =

80 : 7 =

21 : 2 =

49 : 9 =



5.  .

  18 ,    3  .    .










6.  . 

    397  ,      119  .      ?









 2



1.     .

, , , , , .



2.         .  .

  _________________________________________________________

  _________________________________________________________

  _________________________________________________________

  ________________________________________________________



3.       .   .








4.      .

990, 409, 904, 404, 494, 999.










5. .   >, <  =.

1000   100 

1   1000 

100   1 

10   1000 

10   10 

100   10 



6.  .

    470 ,       80  .    ?











 3




1.   1-   ,   2-   .

, , , , , .










2. ,   .        . 

___________________ ..,

____________________ ..,

___________________ ..,

____________________..,

___________________ ..,

____________________ ...



3.  -.     ,     .








4.  .

 ? 3 = 18,  : 9 = 7, 80 :  = 10










5. .

8 ? 7 =

36 : 9 =

6 ? 7 =

56 : 8 =

9 ? 8 =

35 : 5 =

7 ? 9 =

64 : 8 =



6.  .

    19  ,     29 .       8    .   ?











 4




1.   .  .

.., ... .., .., .., ...



2.     .

, , , , , .



3.  ,   .   .

 .  . . ..










4. .   >, <  =.

5 


  5 




100 


  1 




1 


  1000 




1 


  1000 




1 


  100 




20 


  2 






5.     2 .










6.  .

  4    9   ,     3    8   .     ?











 5




1.     .

, , , , , , .



2.  .

  ,   ,  ,  ,   ,     ,  ,  .








3.        ,   4  6 .








4. .

90 : (50  41 ? 1) ? 2 =

53  3 ? (81  9 ? 8) + 60 =



5.     ? b,   = 6, b = 13.










6.  .

 4   18    3   14  .    ?











 6




1.     .

, , , , , , , .



2.     .

, , , , , .



3.    .

 ,   ,  ,   ,   ,  .



4. ,    .

980  589

281 + 439

905  208

436 + 278

1000  615

188 + 656










5.  .

4  =  .

2 . 1 =  

27  =  . 

3 . 2. =  .

25 . =  . .

3 . 8. =  .



6.  .

  9 ,   4 .    .











 7




1.  ,    .  .

, , , , , .










2.      .

 (),  (),  (),  (),  (),  ().



3.       .

. +. . . . ____________________________________________

. +. . . . ____________________________________________

. . +. . . . _______________________________________

. . +. . . . _____________________________________

. +. . . . _____________________________________________

. +. . . . _____________________________________________



4.  ,         .

., 452, .;

., 800, .;

., 270, .;

., 999, .;

., 301, .;

., 410, . .



5. .

800 : 20 =

1000 : 10 =

9 ? 20 =

120 : 30 =

80 ? 7 =

10 ? 50 =



6.  .

    380 ,   164     390 .       1000 ?











 8




1.         ,         .  ,    .

, , , , , , , , , .








2.    .     .










3.  ,   .     .

-  . .  .  .  . .  .    ..










4.     .










5. ,    .

74 ? 7

135 ? 4

304 ? 3

748 : 2

387 : 3

915 : 5










6.  . 

  25  .     ,   ?    ?











 9




1.    .

, , , , , , , .



2.      .

, , , , , .










3.     .       .










4.   .   >, <  =. 

5 ? 20  20 ? 4

100 : 2  100 : 5

12 ? 3  3 ? 20

21 ? 9  9 ? 21

77 : 11  77 : 7

31 ? 2  31 ? 0



5.    .

21 : 5 =

95 : 10 =

37 : 4 =

67 : 7 =

40 : 9 =

15 : 2 =



6.  .

   5   9      45 .    90    ?











 10




1.    .  .

, , , , , , .










2. ,   , .    .

.., .., .., .., .., .., .. .










3. ,   .    .

 . ,   ,   .,  .,  . .,  . .








4. .

15 ? 4 =

36 : 3 =

11 ? 5 =

84 : 12 =

26 ? 3 =

57 : 19 =

7 ? 13 =

100 : 100 =



5.  .

 : 6 = 100,  ? 9 = 900, 4 ?  = 360










6.  .

  990 .   470 ,   240 ,     .    ?











 11




1. ,   .

.., .., .., .., .., ...










2.     .

  _______________

  _________________

    ___________

  _______________

  _______________

    ___________



3.       .   ,     .   .




  .


   .

   ,     (https://www.litres.ru/book/mariya-nikolaevna-alimpieva/zadaniya-na-letnie-kanikuly-posle-3-klassa-56530815/)  .

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