Adding and Subtracting Integers

Use the number line for adding and subtracting integers:

     Example    1    

     Show  the  addition     (-2 )+ (-3)  =  -5  using  a  number line

     Solution

+ (-3)

(-2 )+ (-3)  =  -5

 

Exercise  1

1.        Complete the following:

                                                                 

(a)   (-6) + (-2)       =

  

(e)      (-16) + (-4)              =

 

(b)   (-5) + (-12)    =

 

(f)       (-8) + (-3)               =

 

(c)    (-6) + (-20)    =

 

(g)      (-9) + (-21)             =

 

(d)         (-3) + (-5)     =

 

(h)      (-11) + (-8) + (-5)   =      

 

                Back                                              Answers