Addition Worksheet

Solve.

1 a. 9 + ______ + (–7) = 1
 
 
1 b. ______ + 2 + (–6) = –12
 
 
2 a. 2 + ______ + 2 = –5
 
 
2 b. 9 + ______ + 1 = 2
 
 
3 a. (–4) + ______ + (–6) = –6
 
 
3 b. ______ + (–10) + 4 = 0
 
 
4 a. ______ + 10 + 5 = 14
 
 
4 b. 4 + ______ + 7 = 2
 
 
5 a. 8 + ______ + (–5) = –2
 
 
5 b. 0 + (–2) + ______ = –12
 
 
6 a. ______ + (–7) + (–7) = –8
 
 
6 b. (–9) + ______ + 1 = –3
 
 
7 a. 0 + ______ + (–3) = –1
 
 
7 b. ______ + (–7) + 9 = 1
 
 
8 a. (–2) + ______ + (–9) = –19
 
 
8 b. ______ + 6 + (–10) = –6
 
 
9 a. (–6) + (–8) + ______ = –18
 
 
9 b. (–4) + (–9) + ______ = –6
 
 
10 a. 8 + ______ + 4 = 7
 
 
10 b. ______ + 8 + (–9) = –3
 
 
Page 2

Answer Key

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


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