Addition Worksheet

Solve.

1 a. ______ + 100 = 180
1 b. ______ + 58 = 88
2 a. 80 + ______ = 167
2 b. 74 + ______ = 114
3 a. 40 + ______ = 125
3 b. 30 + ______ = 47
4 a. ______ + 20 = 75
4 b. 90 + ______ = 121
5 a. ______ + 20 = 86
5 b. 10 + ______ = 53
6 a. 80 + ______ = 179
6 b. 80 + ______ = 162
7 a. ______ + 15 = 55
7 b. ______ + 90 = 186
8 a. 50 + ______ = 60
8 b. ______ + 80 = 134
9 a. ______ + 30 = 95
9 b. ______ + 50 = 76
10 a. ______ + 40 = 80
10 b. 24 + ______ = 84
Page 2

Answer Key

1 a. 80    
1 b. 30    
2 a. 87    
2 b. 40    
3 a. 85    
3 b. 17    
4 a. 55    
4 b. 31    
5 a. 66    
5 b. 43    
6 a. 99    
6 b. 82    
7 a. 40    
7 b. 96    
8 a. 10    
8 b. 54    
9 a. 65    
9 b. 26    
10 a. 40    
10 b. 60    


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