Addition Worksheet

Solve.

1 a. ___ + (–3) = 4
 
 
1 b. 8 + ___ = 1
 
 
2 a. ___ + (–8) = –15
 
 
2 b. (–5) + ___ = –6
 
 
3 a. ___ + (–5) = –6
 
 
3 b. ___ + (–1) = –4
 
 
4 a. (–8) + ___ = –2
 
 
4 b. ___ + 2 = –2
 
 
5 a. (–1) + ___ = –4
 
 
5 b. (–6) + ___ = –9
 
 
6 a. (–8) + ___ = –10
 
 
6 b. ___ + (–2) = –12
 
 
7 a. ___ + (–6) = –12
 
 
7 b. (–5) + ___ = –14
 
 
8 a. ___ + 7 = 5
 
 
8 b. ___ + (–6) = –10
 
 
9 a. ___ + (–6) = 4
 
 
9 b. ___ + (–4) = –12
 
 
10 a. ___ + (–7) = 3
 
 
10 b. (–2) + ___ = 1
 
 
Page 2

Answer Key

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


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