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ป NUMERELE NATURALE DE LA 30 LA 100


NUMERELE NATURALE DE LA 30 LA 100




NUMERELE  NATURALE  DE  LA  30  LA  100

1.                  Citeste, iar apoi transcrie urmatoarele numere:

48        52        60        81        34        77        43        84        30        90        66        59        44        91        38



55        39        67        74        88        50        40        95        89        70        45        54        80        99        33

78        100.

a)         Incercuieste cu albastru numerele formate numai din zeci;

b)         Incercuieste cu galben numerele care au cifra unitatilor egala cu cifra zecilor;

c)         Incercuieste cu violet numerele ramase, care au cifra unitatilor mai mica decat cifra zecilor;

d)         Incercuieste cu portocaliu numerele care au cifra unitatilor mai mare decat cifra zecilor;

2.         Scrie numerele care lipsesc:

                        64        ___        66                              ___      54        ___                  ___      ___      43                   

                        79        ___        81                              ___      50        ___                  ___      ___      61

                        59        ___        61                              ___      90        ___                  ___      ___      80

3.         Scrie numerele :

a)         de la 46 pana la 53;      d)         cuprinse intre 57 si 63;

b)         de la 74 pana la 67;      e)         mai mari decat 85 si mai mici decat 94;

c)         de la 69 pana la 75;      f)          de la 30 pana la 51, din 3 in 3.

4.         Compara numerele date ( <; =; > ) :

                        67 ___ 76                    55 ___ 54                    38 ___ 48                    40 ___ 30

                        98 ___ 89                    45 ___ 54                    69 ___ 49                    88 ___ 99

5.         Descompune dupa model:

                        36 → ( 30;  6 )             66 → ( ______ )                      55 → ( ______ )

                        48 → ( _____ )                        83 → ( ______ )                      92 → ( ______ )

6.         Compune dupa model:

                        ( 50;  2 ) → 52                         ( 30;  7 ) → ___                       ( 70;  5 ) → ___                      

                        ( 40;  3 ) → ___                       ( 60;  9 ) → ___                       ( 80;  2 ) → ___

                        ( 90;  1 ) → ___                       ( 30;  3 ) → ___                       ( 70;  7 ) → ___

ADUNAREA SI SCADEREA NUMERELOR NATURALE FORMATE DIN ZECI

1.                  Calculeaza:

2        +  4 =   __              5  +  4  =   __  3   +  2 =   __   7  +  1 =   __     3 +   5 = __   

20 + 40 = ___              50 + 40 = ___  30 + 20 = ___  70 + 10 = ___  30 + 50 = ___

  4 -   2 =   __              5  -   4 =   __  9  -  2 =    __  6  -  1 =   __     7 -   3 =   __

40 - 20 = ___              50 - 40 = ___  90 - 20 = ญญญ___  60 - 10 = ___  70 - 30 = ___

2. a)     Aduna  cu 30 fiecare dintre numerele: 10; 60; 40; 30; 20; 50.

    b)     Scade 30 din fiecare numar: 60; 90; 30; 70; 40; 80; 50.

    c)     Afla suma urmatoarelor perechi de numere: 20 si 60;  40 si 40;  50 si 10;  30 si 20.

    d)     Afla diferenta urmatoarelor perechi de numere: 80 si 30;  90 si 40;  20 si 50;  10 si 70.

    e)     Afla numerele cu 20 mai mari decat: 70;  30;  60;  10;  40;  20.

    f)      Afla numerele cu 20 mai mici decat: 50;  80;  30;  20;  90;  70.

3.         Calculeaza, iar apoi fa proba dupa model:

                                                                                                            PROBA:

a)         20 + 30 = 50                            30 + 20 = 50                50 - 20 = 30                50 - 30 = 20

                        10 + 40 = __                            __________                ___________  ___________

                        50 + 30 = __                            ___________  ___________  ___________

                        60 + 10 = __                            ___________  ___________  ____________

                        20 + 70 = __                            ___________  ___________  ____________

b)         40 - 30 = 10                            30 + 10 = 40                10 + 30 = 40                40 - 10 = 30

                        70 - 50 = __                            ___________  ___________  ___________

                        80 - 60 = __                            ___________  ___________  ___________

                        90 - 80 = __                            ___________  ___________  ___________

                        80 - 50 = __                            ___________  ___________  ___________

                        70 - 40 = __                            ___________  ___________  ___________

                        90 - 70 = __                            ___________  ___________  ___________

ZU +  U ;         ZU -   U

1.                  Calculeaza:

            43 +  4 = ___   34 +  5 = ___   38 -  4 = ___   54 -  3 = ___   41 +  3 = ___





            56 +  2 = ___   65 +  3 = ___   49 -  7 = ___   88 -  7 = ___   52 +  2 = ___

            71 +  7 = ___   88 +  1 = ___   77 -  5 = ___   97 -  4 = ___   66 -  3 = ___

            92 +  6 = ___   57 +  2 = ___   65 -  4 = ___   63 -  2 = ___   55 -  4 = ___

2.                  Calculeaza, iar apoi fa proba dupa model:

                                                                                                            PROBA:

a)         33 +  2 = 35                                         2 + 33 = 35                              35 -  2 = 33

                        73 +  3 = ___                           __________                            __________

                        62 +  4 = ___                           __________                            __________

                        81 +  6 = ___                           __________                            __________

                        53 +  5 = ___                           __________                            __________

b)         37 -  4 = 33                                         4 + 33 = 37                              33 +  4 = 37

                        46 -  5 = ___                           __________                            ___________

                        58 -  6 = ___                           __________                            ___________

                        69 -  7 = ___                           __________                            ___________

                        85 -  3 = ___                           __________                            ___________

3.                  Efectueaza operatiile in ordinea in care sunt scrise:

                        54 +  4 -  7 = __________ = ___                   45 -  3 +  6 = __________ = ___

                        47 +  2 -  5 = __________ = ___                   67 -  5 +  3 = __________ = ___

                        66 +  1 -  3 = __________ = ___                   58 -  4 +  5 = __________ = ___

4.                  La o stana sunt 85 de oi si 3 magari.

                        Cate animale sunt la stana?

5.                  Am avut 36 de lei. Am dat 4 lei.

                        Cati lei mai am?

ZU + ZU ;        ZU - ZU

1.                  Calculeaza, iar apoi fa proba:

                                                                                                PROBA:

a)         36 + 42 = 78                            42 + 36 = 78                78 - 42 = 36                78 - 36 = 42

                        75 + 23 = ___              ___________  ____________            ____________

                        25 + 54 = ___              ___________  ____________            ____________

                        85 + 14 = ___              ___________  ____________            ____________

                        43 + 34 = ___              ___________  ____________            ____________

b)         45 - 23 = 22                            45 - 22 = 23                23 + 22 = 45                22 + 23 = 45

                        67 - 44 = ___              ___________  ____________            ____________

                        94 - 63 = ___              ___________  ____________            ____________

                        55 - 24 = ___              ___________  ____________            ____________

                        88 - 46 = ___              ___________  ____________            ____________

2.         Efectueaza operatiile in ordinea in care sunt scrise:

                        32 + 14 + 23 = __________ = ___                 87 - 34 - 22 = __________ = ___

                        45 + 21 + 32 = __________ = ___                 78 - 25 - 33 = __________ = ___

                        33 + 44 + 22 = __________ = ___                 99 - 55 - 33 = __________ = ___

                        14 + 53 + 21 = __________ = ___                 77 - 54 - 12 = __________ = ___

                        36 + 23 - 44 = __________ = ___                 67 - 34 + 22 = __________ = ___

                        56 + 32 - 57 = __________ = ___                 88 - 56 + 23 = __________ = ___

                        48 + 31 - 68 = __________ = ___                 96 - 65 + 45 = __________ = ___

                        64 + 25 - 77 = __________ = ___                 66 - 44 + 77 = __________ = ___

3.         Scrie in spatiile libere semnele potrivite pentru ca egalitatile sa fie adevarate ( +; - ):

                        20 ___ 30 = 50                        56 ___ 4 = 52              44 ___ 25 = 69

                        60 ___ 50 = 10                        35 ___ 3 = 38              76 ___ 45 = 31

                        40 ___   4 = 44                        47 ___ 7 = 40              54 ___ 32 = 22

                        52 ___ 50 =   2                        48 ___40 =  8              63 ___ 36 = 99

48 ___ 8 ___ 30 = 70; 70 ___ 4 ___ 20 = 94; 50 ___ 5 ___ 20 = 35.

4.a)      Cel mai mic numar par format din zeci si unitati aduna-l  cu 40; _________________

   b)      Din cel mai mare numar natural, format din zeci si unitati, scris cu cifre diferite, scade

       47;                           _____________________________

   c)       Cel mai mic numar impar scris cu doua cifre diferite aduna-l cu vecinul mai mare al numarului 44;                ______________________________

   d)        Din cel mai mare numar impar format din zeci si unitati  scade vecinul mai mic al numarului 57;                ______________________________




   e)        Afla numarul cu 45 mai mare decat 32;            ________________________

   f)         Afla numarul cu 28 mai mic decat 69;              ________________________

   g)        Mareste-l pe 31 cu 56;          ______________________

   h)        Micsoreaza-l pe 77 cu 55;          ______________________

   i)         Afla suma numerelor 56 si 43;             ________________________

   j)         Afla diferenta numerelor 78 si 56;                    _________________________

   k)        Din suma numerelor 36 si 42 scade 65;                       ____________________________

   l)         La diferenta numerelor 78 si 67 adauga 33.                 ____________________________

5.         La un spectacol au participat 36 de baieti si 42 de fete .

                        Cati copii au participat la spectacol?

6.                  Pentru un spectacol s-au vandut 53 de bilete.

                        Daca au ramas 25 de locuri libere, afla cate locuri are sala.

7.                  Andrei are de rezolvat 57 de probleme. A rezolvat 45 de probleme.

                        Cate probleme mai are de rezolvat?

8.                  In clasa I A sunt 24 de elevi, in clasa I B sunt 23 de elevi, iar in clasa I C sunt 22 de                  elevi.

                        Cati elevi sunt in clasele I ?

9.                  La un magazin s-au adus 78 de carti cu povesti. S-au vandut 65 de carti.

                        Cate carti au ramas nevandute?

10.              Mama are 35 de ani.

a)                  Cati ani a avut in urma cu 14 ani?

b)                  Cati ani va avea peste 12 ani?

11.              Peste 25 de ani, tata va avea 67 de ani.

                        Cati ani are tata acum?       

MUNCA     INDEPENDENTA

1.         Calculeaza:

35 +  2 = ___                   68 -  3 = ___                     43 +  6 = ___           56 -  5 = ___

62 +  4 = ___                   75 -  4 = ___                     91 +  7 = ___           88 -  4 = ___

56 +                 74 +                 83 +                 34 -                 47 -                 99 -                 35 -

  2                     4                        3                     2                      2                      8                      3

 

 

2.                  Calculeaza:

34 +                 45 +                 51 +                 63 +                 74 +                 85 +                 54 +

22                    12                    34                    22                    25                    13                    45

 

 

 

 

3.                  Calculeaza:

56 +                 47 +                 53 +                 74 +                 35 +                 62 +                 83 +

32                    51                    26                    14                    53                    36                    14

 

 

 

25 + 43 = ___                 48 + 41 = ___                   64 + 23 = ___                     55 + 33 = ___

4.                  Calculeaza:

67 -                 75 -                 88 -                 64 -                 56 -                 49 -                 96 -45             54                    44                    42                    35                    28                    63

           

39 - 14 =___                  42 - 11 = ___                   58 - 27 = ___                     68 - 42 = ___

33 - 22 = ___                 44 - 33 = ญญญ___                   55 - 44 = ___                       66 - 55 = ___

77 - 66 = ___                  88 - 77 = ___                  99 - 88 = ___                       66 - 44 = ญญญ___






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