Addition Worksheet

Solve.

1 a. (–2) + ___ = –5
 
 
1 b. 3 + ___ = –3
 
 
2 a. ___ + 7 = –3
 
 
2 b. (–8) + ___ = –5
 
 
3 a. ___ + (–9) = 1
 
 
3 b. (–4) + ___ = –7
 
 
4 a. (–9) + ___ = –19
 
 
4 b. (–5) + ___ = 0
 
 
5 a. ___ + (–7) = –3
 
 
5 b. 6 + ___ = 0
 
 
6 a. ___ + (–10) = –19
 
 
6 b. ___ + 8 = 4
 
 
7 a. (–6) + ___ = –15
 
 
7 b. 7 + ___ = 3
 
 
8 a. 0 + ___ = –2
 
 
8 b. (–9) + ___ = –8
 
 
9 a. ___ + 2 = –6
 
 
9 b. 5 + ___ = 3
 
 
10 a. (–5) + ___ = –4
 
 
10 b. (–7) + ___ = –15
 
 
Page 2

Answer Key

1 a. (–3)    
1 b. (–6)    
2 a. (–10)    
2 b. 3    
3 a. 10    
3 b. (–3)    
4 a. (–10)    
4 b. 5    
5 a. 4    
5 b. (–6)    
6 a. (–9)    
6 b. (–4)    
7 a. (–9)    
7 b. (–4)    
8 a. (–2)    
8 b. 1    
9 a. (–8)    
9 b. (–2)    
10 a. 1    
10 b. (–8)    


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