Addition Worksheet

Solve.

1 a. ______ + (–8) + 0 = –3
 
 
1 b. ______ + (–1) + 4 = 1
 
 
2 a. ______ + (–10) + (–2) = –10
 
 
2 b. (–2) + 10 + ______ = 3
 
 
3 a. 4 + (–3) + ______ = –8
 
 
3 b. 7 + (–8) + ______ = –11
 
 
4 a. (–7) + 6 + ______ = 8
 
 
4 b. 1 + ______ + (–2) = 7
 
 
5 a. 4 + (–1) + ______ = 13
 
 
5 b. (–6) + (–5) + ______ = –7
 
 
6 a. (–2) + (–7) + ______ = –11
 
 
6 b. (–9) + ______ + (–9) = –14
 
 
7 a. ______ + (–5) + 0 = 2
 
 
7 b. ______ + 10 + 7 = 15
 
 
8 a. (–7) + ______ + 8 = 6
 
 
8 b. ______ + (–10) + (–1) = –21
 
 
9 a. (–4) + ______ + (–7) = –13
 
 
9 b. ______ + (–3) + 10 = 5
 
 
10 a. 1 + ______ + 8 = 3
 
 
10 b. (–4) + ______ + 9 = –4
 
 
Page 2

Answer Key

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


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