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Friday 10 June 2016

Follow Up

Follow Up
What to do


1)Use the strategy of splitting a number into parts to do these additions.
2) Do the problems in your head first.
3) Check you are correct by writing them down. Show them like the examples above.


1) 28 + 14=42      
Split the 14 into 10 + 4, 28 + 10 = 38, 38 + 4 = 42                           
2) 76 + 9=85
Split the 76 into 70 + 6 , 6 + 9 = 15, 15 + 7                       
3) 37 + 15=52  
Split the 15 into 10 + 5, 10 + 37 = 47, 47 + 5 = 52            
4) 46 + 17= 63                       
Split the 17 into 10 + 7, 10 + 46 = 56, 56 + 7 = 63          
5) 68 + 24=92    
Split the 24 into 20 + 4, 68 + 20 = 88, 88 + 4 = 92                           
6) 48 + 37=85
Split the 37 into 30 + 7, 48 + 30 = 78, 78 + 7 = 85                   
(7) 29 + 62=91     
Split the 29 into 20 + 9, 62 + 20 = 82, 82 + 9 = 91                            
(8) 18 + 63=81       
Split the 18 into 10 + 8, 10 + 63 = 73, 8 + 73 = 81                       
(9) 55 + 17 =  72
Split the 17 into 10 + 7, 10 + 55 = 65, 65 + 7 = 72                
10) 29 + 54=83        
Split the 29 into 20 + 9, 20 + 54 = 74, 74 + 9 = 83                        
(11) 38 + 17=55  
Split the 17 into 10 + 7, 10 + 38 = 48, 48 + 7 = 55
(12) 37 + 54 =91                                           
(Split the 37 into 30 + 7, 30 + 54 = 84, 84 + 7 = 91
(13) 69 + 73 = 142
Split the 69 into 60 + 9, 60 + 73 = 133, 133 + 9 = 142
(14) 78 + 45 = 123
Split the 45 into 40 + 5, 78 + 40 = 118, 118 + 5 = 123
(15) 27 + 57=84
Split the 27 into 20 + 7, 20 + 57 = 77, 77 + 7 = 84                                                                   
(16) 19 + 64 = 83
Split the 19 into 10 + 9, 10 + 64 = 74, 74 + 9 = 83
(17) 27 + 46=73
Split the 27 into 20 + 7, 20 + 46 = 66, 66 + 7 = 73
(18) 38 + 75 = 113
Split the 38 into 30 + 8, 30 + 75 = 105, 105 + 8 = 113                                                                           
(19) 47 + 86 = 133
Split the 47 into 40 + 7 = 86 + 40 = 126, 126 + 7 = 133
(20) 34 + 68 = 102
Split the 34 into 30 + 4, 30 + 68 = 98, 98 + 4 = 102
(21) 58 + 86 = 144    
Split the 58 into 50 + 8, 86 + 50 = 136, 136 + 8 = 144                                                     
(22) 74 + 38 = 112
Split the 38 into 30 + 8 = 30 + 74 = 104, 104 + 8 = 112
(23) 95 + 29  = 124
Split the 29 into 20 + 9, 20 + 95 = 115, 115 + 9 = 124
(24) 88 + 36 =
Split the 36 into 30 + 6, 88 + 30 = 118, 118 + 6 = 124

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