Addition Worksheet

Solve.

1 a. (–1) + ___ = 5
 
 
1 b. (–5) + ___ = –7
 
 
2 a. ___ + 10 = 7
 
 
2 b. (–4) + ___ = –10
 
 
3 a. (–2) + ___ = –2
 
 
3 b. (–8) + ___ = –17
 
 
4 a. ___ + 10 = 8
 
 
4 b. ___ + (–10) = –8
 
 
5 a. (–4) + ___ = –11
 
 
5 b. ___ + (–5) = –15
 
 
6 a. (–3) + ___ = 2
 
 
6 b. (–3) + ___ = –6
 
 
7 a. ___ + (–1) = 7
 
 
7 b. (–9) + ___ = –1
 
 
8 a. (–2) + ___ = –11
 
 
8 b. (–4) + ___ = 1
 
 
9 a. (–5) + ___ = –12
 
 
9 b. (–10) + ___ = –17
 
 
10 a. ___ + 4 = 3
 
 
10 b. (–6) + ___ = –12
 
 
Page 2

Answer Key

1 a. 6    
1 b. (–2)    
2 a. (–3)    
2 b. (–6)    
3 a. 0    
3 b. (–9)    
4 a. (–2)    
4 b. 2    
5 a. (–7)    
5 b. (–10)    
6 a. 5    
6 b. (–3)    
7 a. 8    
7 b. 8    
8 a. (–9)    
8 b. 5    
9 a. (–7)    
9 b. (–7)    
10 a. (–1)    
10 b. (–6)    


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