الرياضيات

تدريبات الدرس الرابع

الجمع باستعمال خط الأعداد

 

أستعمل خط الأعداد , لأجد ناتج الجمع:

10.                    1

                    +   4

                 ______         

الحل:               

 

                         1

                    +   4

                 ______

                         5

 

11.                    2

                    +   7

                    ______

الحل:

                     2

                 +   7

                 _____

                        9

 

12.                      9

                      +   3

                  ________

الحل:

                           9

                      +   3

                   ________

                         12

 

13.                     5

                      +   2

                   ______

الحل:

                          5

                      +   2

                    ______

                           7

 

14.                      4

                      +   8

                    ______                           

الحل:

 

                        4

                   +   8

                    ______

                        12 

 

15.                      1

                      +   7

                  _______                           

الحل:

                           1

                      +   7

                  _______                           

                           8

 

16.                       4

                       +   2

                  _______                          

الحل:

                           4

                       +   2

                  _______                           

                           6

 

17.                      6

                       +   3

                    ______

الحل:

                            6

                       +   3

                     ______

                           9

 

18.                       4   

                       +   2

                     ______

الحل:

                            4

                       +   2

                     ______

                          12

 

19.        3  +  5  =

الحل:

       3   +  5  =  8 

 

20.     2  +  9  =

الحل:

        2  +  9  =   11

 

21.      1  +  8  =

الحل:

     1  +  8  =   9 

 

22.    3  +  4  =

الحل:

       3  +  4  =   7

 

23.    3  +  8  =

الحل:

               3  +  8  =   11

 

نشاط: