Addition Worksheet

Solve.

1 a. _________ + 10 = 914
1 b. 131 + ______ = 141
2 a. _________ + 20 = 367
2 b. 941 + _________ = 961
3 a. 131 + ______ = 171
3 b. 763 + _________ = 793
4 a. 109 + ______ = 149
4 b. 917 + _________ = 927
5 a. 232 + _________ = 282
5 b. _________ + 70 = 283
6 a. 937 + _________ = 937
6 b. 212 + _________ = 292
7 a. 923 + _________ = 973
7 b. ______ + 60 = 197
8 a. _________ + 50 = 385
8 b. _________ + 30 = 284
9 a. 436 + _________ = 446
9 b. 272 + _________ = 292
10 a. ______ + 50 = 177
10 b. _________ + 10 = 365
Page 2

Answer Key

1 a. 904    
1 b. 10    
2 a. 347    
2 b. 20    
3 a. 40    
3 b. 30    
4 a. 40    
4 b. 10    
5 a. 50    
5 b. 213    
6 a. 0    
6 b. 80    
7 a. 50    
7 b. 137    
8 a. 335    
8 b. 254    
9 a. 10    
9 b. 20    
10 a. 127    
10 b. 355    

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