Discover how adding integers works by manipulating points on a number line.
    
        
     
    
    
            Use the red and blue sliders to view how each addition problem is solved.[br]Check the "Show Result" box to check your answer.[br]Don't forget to answer the reflection questions in your Exit Card.
    
        
     
    
    
            Learn about addition of integers by using thr sliders above. 
    
        
     
    
    
            
            
What is the sum of 1 and -1?
    
    
         
    
        
     
    
    
            
            
What is the sum of 12 and -11?