Addition Worksheet

Solve.

1 a. _________ + 20 = 694
1 b. ______ + 10 = 172
2 a. 821 + _________ = 841
2 b. _________ + 60 = 868
3 a. 175 + ______ = 195
3 b. _________ + 20 = 288
4 a. 339 + _________ = 379
4 b. 773 + _________ = 793
5 a. 160 + ______ = 190
5 b. _________ + 20 = 263
6 a. ______ + 30 = 173
6 b. 350 + _________ = 380
7 a. _________ + 30 = 393
7 b. 504 + _________ = 594
8 a. 602 + _________ = 652
8 b. ______ + 40 = 142
9 a. 346 + _________ = 396
9 b. 335 + _________ = 385
10 a. 120 + ______ = 190
10 b. 154 + ______ = 184
Page 2

Answer Key

1 a. 674    
1 b. 162    
2 a. 20    
2 b. 808    
3 a. 20    
3 b. 268    
4 a. 40    
4 b. 20    
5 a. 30    
5 b. 243    
6 a. 143    
6 b. 30    
7 a. 363    
7 b. 90    
8 a. 50    
8 b. 102    
9 a. 50    
9 b. 50    
10 a. 70    
10 b. 30    


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