Addition Worksheet

Solve.

1 a. 156 =45 + 46 + _________
 
1 b. 70 =32 + ______ + 19
 
2 a. 83 =66 + 6 + ______
 
2 b. 70 + _________ + 49 = 161
 
3 a. ______ + 24 + 56 = 97
 
3 b. 99 =_________ + 13 + 38
 
4 a. ______ + 7 + 58 = 139
 
4 b. 132 =_________ + 28 + 71
 
5 a. ______ + 48 + 13 = 98
 
5 b. 156 =58 + 37 + ______
 
6 a. 118 =______ + 46 + 36
 
6 b. 149 =______ + 13 + 77
 
7 a. _________ + 49 + 57 = 142
 
7 b. 76 + ______ + 21 = 133
 
8 a. 212 =80 + ______ + 91
 
8 b. 21 + ______ + 74 = 115
 
9 a. ______ + 17 + 20 = 72
 
9 b. 45 + 22 + ______ = 129
 
10 a. _________ + 50 + 46 = 149
 
10 b. 181 =78 + 10 + _________
 
11 a. 12 + 45 + _________ = 150
 
11 b. 17 + ______ + 80 = 120
 
12 a. 16 + _________ + 15 = 105
 
12 b. _________ + 44 + 80 = 146
 
Page 2

Answer Key

1 a. 65    
1 b. 19    
2 a. 11    
2 b. 42    
3 a. 17    
3 b. 48    
4 a. 74    
4 b. 33    
5 a. 37    
5 b. 61    
6 a. 36    
6 b. 59    
7 a. 36    
7 b. 36    
8 a. 41    
8 b. 20    
9 a. 35    
9 b. 62    
10 a. 53    
10 b. 93    
11 a. 93    
11 b. 23    
12 a. 74    
12 b. 22    


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net