Addition Worksheet

Solve.

1 a. ______ + 5 = 122
1 b. 984 + _________ = 991
2 a. 275 + _________ = 277
2 b. 1 + ______ = 173
3 a. 865 + _________ = 869
3 b. 9 + _________ = 923
4 a. 904 + _________ = 907
4 b. _________ + 6 = 310
5 a. _________ + 266 = 270
5 b. _________ + 1 = 894
6 a. 924 + _________ = 932
6 b. _________ + 265 = 273
7 a. _________ + 6 = 743
7 b. 4 + _________ = 675
8 a. _________ + 1 = 519
8 b. 6 + _________ = 615
9 a. _________ + 9 = 961
9 b. 145 + ______ = 146
10 a. 149 + ______ = 156
10 b. _________ + 2 = 306
Page 2

Answer Key

1 a. 117    
1 b. 7    
2 a. 2    
2 b. 172    
3 a. 4    
3 b. 914    
4 a. 3    
4 b. 304    
5 a. 4    
5 b. 893    
6 a. 8    
6 b. 8    
7 a. 737    
7 b. 671    
8 a. 518    
8 b. 609    
9 a. 952    
9 b. 1    
10 a. 7    
10 b. 304    


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