Addition Worksheet 1

1 a.   

 1 + _________ = 983

1 b.   

 410 + _________ = 413

2 a.   

 _________ + 799 = 800

2 b.   

 _________ + 1 = 323

3 a.   

 ______ + 1 = 181

3 b.   

 7 + ______ = 143

4 a.   

 _________ + 944 = 946

4 b.   

 _________ + 698 = 701

5 a.   

 _________ + 555 = 557

5 b.   

 2 + _________ = 433

6 a.   

 _________ + 4 = 713

6 b.   

 392 + _________ = 394

7 a.   

 560 + _________ = 565

7 b.   

 8 + _________ = 421

8 a.   

 ______ + 113 = 121

8 b.   

 _________ + 928 = 930

9 a.   

 _________ + 4 = 978

9 b.   

 _________ + 220 = 221

10 a.   

 1 + _________ = 421

10 b.   

 _________ + 791 = 795

 

Answer Key

 

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