Addition Worksheet

Solve.

1 a. ______ + (–6) + 4 = –8
 
 
1 b. (–7) + ______ + (–3) = –13
 
 
2 a. ______ + (–8) + 3 = 2
 
 
2 b. 7 + (–5) + ______ = 3
 
 
3 a. ______ + (–6) + 8 = –8
 
 
3 b. (–3) + ______ + (–9) = –14
 
 
4 a. ______ + (–1) + (–3) = –9
 
 
4 b. (–8) + ______ + (–5) = –7
 
 
5 a. ______ + (–2) + 3 = –3
 
 
5 b. ______ + (–5) + (–2) = –10
 
 
6 a. 4 + ______ + (–1) = 4
 
 
6 b. (–9) + ______ + (–4) = –17
 
 
7 a. 6 + ______ + (–6) = –10
 
 
7 b. 8 + (–5) + ______ = –5
 
 
8 a. 4 + ______ + (–1) = –7
 
 
8 b. 7 + ______ + (–2) = –5
 
 
9 a. 6 + (–9) + ______ = 6
 
 
9 b. 3 + (–6) + ______ = –6
 
 
10 a. 10 + (–10) + ______ = –7
 
 
10 b. ______ + (–2) + 8 = 12
 
 
Page 2

Answer Key

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

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