Addition Worksheet

Solve.

1 a. 25 + ______ + 18 = 86
 
1 b. 37 + 59 + ______ = 137
 
2 a. 155 =79 + 7 + ______
 
2 b. 65 + _________ + 82 = 167
 
3 a. 163 =______ + 68 + 85
 
3 b. 125 =32 + _________ + 50
 
4 a. _________ + 45 + 36 = 157
 
4 b. 55 + _________ + 34 = 139
 
5 a. 71 + _________ + 46 = 149
 
5 b. 71 =48 + 3 + _________
 
6 a. 154 =60 + 2 + _________
 
6 b. 68 =21 + 19 + ______
 
7 a. 59 + ______ + 24 = 125
 
7 b. ______ + 22 + 13 = 115
 
8 a. 133 =_________ + 73 + 15
 
8 b. 111 =______ + 21 + 29
 
9 a. 25 + ______ + 19 = 82
 
9 b. 65 + _________ + 89 = 204
 
10 a. 91 + _________ + 80 = 188
 
10 b. 62 + ______ + 35 = 114
 
11 a. ______ + 34 + 40 = 105
 
11 b. 83 =_________ + 33 + 19
 
12 a. 38 + 19 + ______ = 134
 
12 b. 13 + ______ + 96 = 136
 
Page 2

Answer Key

1 a. 43    
1 b. 41    
2 a. 69    
2 b. 20    
3 a. 10    
3 b. 43    
4 a. 76    
4 b. 50    
5 a. 32    
5 b. 20    
6 a. 92    
6 b. 28    
7 a. 42    
7 b. 80    
8 a. 45    
8 b. 61    
9 a. 38    
9 b. 50    
10 a. 17    
10 b. 17    
11 a. 31    
11 b. 31    
12 a. 77    
12 b. 27    

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