100
                            198 + 123
                            What is 321?
                         
                    
                 
            
                
                    
                        
                            100
                            1,234 + 1,234
                            What is 2,468?
                         
                    
                 
            
                
                    
                        
                            100
                            12,000 + 10,000
                            What is 22,000?
                         
                    
                 
            
         
    
        
            
                
            
                
            
                
                    
                        
                            200
                            100 + 400
                            What is 500?
                         
                    
                 
            
                
                    
                        
                            200
                            2,468 + 1,000
                            What is 3,468?
                         
                    
                 
            
                
                    
                        
                            200
                            20,200 + 12,212
                            What is 32,412?
                         
                    
                 
            
         
    
        
            
                
            
                
            
                
                    
                        
                            300
                            321 + 123
                            What is 444?
                         
                    
                 
            
                
                    
                        
                            300
                            8,989 + 1,111
                            What is 10,100?
                         
                    
                 
            
                
                    
                        
                            300
                            74,321 + 42,568
                            What is 116,889?
                         
                    
                 
            
         
    
        
            
                
            
                
            
                
                    
                        
                            400
                            896 + 142
                            What is 1,038?
                         
                    
                 
            
                
                    
                        
                            400
                            6,000 + 4,568
                            What is 10,568?
                         
                    
                 
            
                
                    
                        
                            400
                            40,001 + 32,104
                            What is 72,105?
                         
                    
                 
            
         
    
        
            
                
            
                
            
                
                    
                        
                            500
                            789 + 456
                            What is 1,245?
                         
                    
                 
            
                
                    
                        
                            500
                            9,990 + 9,090
                            What is 19,080?
                         
                    
                 
            
                
                    
                        
                            500
                            89,412 + 11,111
                            What is 100,523?